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    • All-IN-ONE AC-DC converter
    • Primary Side Regulation AC-DC Power Converter
    • Secondary Side Regulation AC-DC Power Converter
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Added value distributor and development

Secondary Side Regulation AC-DC Power Converter

Our official sales partner: Dongke Semiconductor

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Dongke is one of the leading manufacturers of high-frequency and high-efficiency power supply ICs, synchronous rectifiers and innovative solutions for power electronics.
Through our partnership, we provide our customers with access to a wide range of state-of-the-art technologies and products - from synchronous rectifiers for efficient energy conversion to customized solutions for industrial applications and consumer electronics.

Product range of our secondary side AC-DC converters

Our secondary side AC-DC converters offer reliable and efficient solutions for stable voltage conversion. Whether for industrial applications, switching power supplies or sensitive electronics - our products impress with their high efficiency, compact design and precise voltage regulation.

Below you will find detailed specifications, technical data and data sheets to help you find the right converter for your requirements. If you have any questions, we will be happy to advise you!

Secondary sides AC-DC converter SOP8/DIP8

TopologySSR Flyback
Self-PoweredY, N
Power Device BV700V BJT, 650V MOS
Power Device RDS(ON)1,3-4Ω
HV StartupY, N
PackageSOP8/DIP8, DIP8, SOP8
Output Power6-30W

Secondary side AC-DC converters for switching power supplies and power supply units

Buy secondary side AC-DC converter

  • Stable DC voltage for reliable electronics
  • Energy-efficient thanks to modern technology
  • Versatile in use
  • Quality through strong partnership

Secondary side AC-DC converter applications

Secondary side AC-DC converters are essential components in numerous industrial and electronic applications. They ensure a stable DC voltage, which is necessary for the reliable operation of sensitive electronic systems.
A typical area of application is industrial automation. Here, controllers, sensors and actuators are supplied with a constant voltage to ensure precise and error-free processes. These converters are also indispensable in switching power supplies for computers, telecommunications systems and LED lighting systems, as they ensure high energy efficiency and low heat generation.

In power electronics, they play a crucial role in inverter systems for renewable energies, where they convert the energy generated into usable voltages. They are also used in semiconductor technology, where sensitive components need to be protected from voltage fluctuations.

Thanks to state-of-the-art technologies from Dongke Semiconductor, Rotima AG offers powerful and efficient solutions for a wide range of requirements - from industrial applications to high-precision electronic systems.

Secondary side AC-DC converter

SOP8/DIP8

Secondary side AC-DC converter
ProduktnummerTopologySelf-PoweredPower Device BVPower Device RDS(ON)HV StartupStandby PowerPaketOutput PowerDownload Datenblatt
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Product numberTopologySelf-PoweredPower Device BVPower Device RDS(ON)HV StartupStandby powerPackageOutput PowerDownload data sheet
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Número de productoTopologíaAutoalimentadoDispositivo de alimentación BVDispositivo de alimentación RDS(ON)Puesta en marcha HVEnergía de reservaPaquetePotencia de salidaDescargar ficha técnica
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackYBJT DE 700 VIc=0,8AY270mWDIP812W
DK1203SSR FlybackYBJT DE 700 VIc=0,8AY270mWSOP8/DIP812W
DK124SSR FlybackYBJT DE 700 VIc=1,3AY270mWDIP818W
DK125SSR FlybackYBJT DE 700 VIc=1,5AY270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN75mWSOP822W
Numer produktuTopologiaSamozasilaniePower Device BVUrządzenie zasilające RDS(ON)Uruchomienie HVZasilanie w trybie gotowościPakietMoc wyjściowaPobierz arkusz danych
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN75mWSOP822W
Référence du produitTopologieAuto-alimentéPower Device BVPériphérique d'alimentation RDS(ON)Démarrage HVAlimentation en veillePaquetPuissance de sortieTélécharger la fiche technique
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Numero del prodottoTopologiaAutoalimentatoDispositivo di potenza BVDispositivo di alimentazione RDS(ON)Avviamento HVPotenza in standbyPacchettoPotenza di uscitaScarica la scheda tecnica
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN75mWSOP822W
رقم المنتجالطوبولوجياذاتية التشغيلجهاز الطاقة BVجهاز الطاقة RDS(ON)بدء التشغيل عالي الجهدالطاقة الاحتياطيةالحزمةطاقة الإخراجتنزيل ورقة البيانات
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112Cارتداد ذبابة SSRY700 فولت BJTIc=0.8AY<؛ 270 ميجاواتDIP812W
DK1203ارتداد ذبابة SSRY700 فولت BJTIc=0.8AY<؛ 270 ميجاواتSOP8/DIP812W
DK124ارتداد ذبابة SSRY700 فولت BJTIc=1.3 أمبيرY<؛ 270 ميجاواتDIP818W
DK125ارتداد ذبابة SSRY700 فولت BJTIc=1.5 أمبيرY<؛ 270 ميجاواتDIP824W
DK220MPارتداد ذبابة SSRN650 فولت أم أو أس2.0ΩY75 ميجاواتSOP820W
DK220MDارتداد ذبابة SSRN650 فولت أم أو أس2.0ΩY75 ميجاواتDIP824W
DK225MPارتداد ذبابة SSRN650 فولت أم أو أس1.3ΩY75 ميجاواتSOP822W
DK225MDارتداد ذبابة SSRN650 فولت أم أو أس1.3ΩY75 ميجاواتDIP830W
DK2649PAارتداد ذبابة SSRN650 فولت أم أو أس4.0ΩN75 ميجاواتDIP815W
DK2649CBارتداد ذبابة SSRN650 فولت أم أو أس2.0ΩN75 ميجاواتSOP820W
DK2649CCارتداد ذبابة SSRN650 فولت أم أو أس1.3ΩN75 ميجاواتSOP822W
제품 번호토폴로지자체 동력전원 장치 bv전원 장치 rds(ON)hv 시작대기 전원패키지출력데이터 시트 다운로드
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112Cssr 플라이백Y700V BJTIc=0.8AY<270mW디프 812W
DK1203ssr 플라이백Y700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124ssr 플라이백Y700V BJTIc=1.3AY<270mW디프 818W
DK125ssr 플라이백Y700V BJTIc=1.5AY<270mW디프 824W
DK220MPssr 플라이백N650V MOS2.0 ΩY<75mWSOP820W
DK220MDssr 플라이백N650V MOS2.0 ΩY<75mW디프 824W
DK225MPssr 플라이백N650V MOS1.3 ΩY<75mWSOP822W
DK225MDssr 플라이백N650V MOS1.3 ΩY<75mW디프 830W
DK2649PAssr 플라이백N650V MOS4.0 ΩN<75mW디프 815W
DK2649CBssr 플라이백N650V MOS2.0 ΩN<75mWSOP820W
DK2649CCssr 플라이백N650V MOS1.3 ΩN<75mWSOP822W
製品番号トポロジーセルフパワーパワーデバイスBVパワーデバイス RDS(ON)HVスタートアップ待機電力パッケージ出力データシートのダウンロード
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSRフライバックY700V BJTIc=0.8AY270mWディップエイト12W
DK1203SSRフライバックY700V BJTIc=0.8AY270mWSOP8/DIP812W
DK124SSRフライバックY700V BJTIc=1.3AY270mWディップエイト18W
DK125SSRフライバックY700V BJTIc=1.5AY270mWディップエイト24W
DK220MPSSRフライバックN650V MOS2.0ΩY75mWSOP820W
DK220MDSSRフライバックN650V MOS2.0ΩY75mWディップエイト24W
DK225MPSSRフライバックN650V MOS1.3ΩY75mWSOP822W
DK225MDSSRフライバックN650V MOS1.3ΩY75mWディップエイト30W
DK2649PASSRフライバックN650V MOS4.0ΩN75mWディップエイト15W
DK2649CBSSRフライバックN650V MOS2.0ΩN75mWSOP820W
DK2649CCSSRフライバックN650V MOS1.3ΩN75mWSOP822W
产品编号拓扑结构自供电的功率器件BV电源设备RDS(ON)高压启动备用电源包装输出功率下载数据表
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR反激式和700V BJTIc=0.8A和<270mWDIP812W
DK1203SSR反激式和700V BJTIc=0.8A和<270mWSOP8/DIP812W
DK124SSR反激式和700V BJTIc=1.3A和<270mWDIP818W
DK125SSR反激式和700V BJTIc=1.5A和<270mWDIP824W
DK220MPSSR反激式N650V MOS2.0 Ω和<75mWSOP820W
DK220MDSSR反激式N650V MOS2.0 Ω和<75mWDIP824W
DK225MPSSR反激式N650V MOS1.3 Ω和<75mWSOP822W
DK225MDSSR反激式N650V MOS1.3 Ω和<75mWDIP830W
DK2649PASSR反激式N650V MOS4.0 ΩN<75mWDIP815W
DK2649CBSSR反激式N650V MOS2.0 ΩN<75mWSOP820W
DK2649CCSSR反激式N650V MOS1.3 ΩN<75mWSOP822W
Číslo výrobkuTopologieVlastní pohonZařízení Power Device BVNapájecí zařízení RDS(ON)Spuštění HVPohotovostní výkonBalíčekVýstupní výkonStáhnout datový list
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Número do produtoTopologiaAuto-alimentadoDispositivo de alimentação BVDispositivo de alimentação RDS(ON)Arranque HVPotência de reservaEmbalagemPotência de saídaDescarregar a ficha de dados
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackYBJT DE 700VIc=0,8AY<270mWDIP812W
DK1203SSR FlybackYBJT DE 700VIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackYBJT DE 700VIc=1,3AY<270mWDIP818W
DK125SSR FlybackYBJT DE 700VIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Номер продуктаТопологияСамостоятельная работаPower Device BVУстройство питания RDS(ON)Ввод в эксплуатацию ВНРезервное питаниеПакетВыходная мощностьСкачать спецификацию
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700 В BJTIc=0,8AY<270 мВтDIP812W
DK1203SSR FlybackY700 В BJTIc=0,8AY<270 мВтSOP8/DIP812W
DK124SSR FlybackY700 В BJTIc=1,3AY<270 мВтDIP818W
DK125SSR FlybackY700 В BJTIc=1,5AY<270 мВтDIP824W
DK220MPSSR FlybackN650 В МОП2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650 В МОП2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650 В МОП1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650 В МОП1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650 В МОП4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650 В МОП2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650 В МОП1.3ΩN<75mWSOP822W
Ürün numarasıTopolojiKendi Kendine ÇalışanGüç Cihazı BVGüç Cihazı RDS(AÇIK)HV BaşlangıçBekleme gücüPaketÇıkış gücüVeri sayfasını indirin
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Termék számaTopológiaÖnjáróPower Device BVTápegység RDS(ON)HV indításKészenléti energiaCsomagKimeneti teljesítményAdatlap letöltése
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
شماره محصولتوپولوژیخودکاردستگاه برق bvدستگاه برق rds (روشن)راه اندازی hvقدرت آماده به کاربسته بندیقدرت خروجیبرگه داده را بارگیری کنید
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
Dk 112cSSR Flybackو700 ولت BJTIc = 0.8Aو<270 مگاواتچرخش 812 وات
DK1203SSR Flybackو700 ولت BJTIc = 0.8Aو<270 مگاواتSOP8/DIP812 وات
DK124SSR Flybackو700 ولت BJTIc = 1.3Aو<270 مگاواتچرخش 818 وات
DK 125SSR Flybackو700 ولت BJTIc = 1.5Aو<270 مگاواتچرخش 824 وات
Dk 220mpSSR FlybackN650V MOS2.0 Ωو<75 مگاواتسوپ 820 وات
Dk 220mdSSR FlybackN650V MOS2.0 Ωو<75 مگاواتچرخش 824 وات
DK 225 MPSSR FlybackN650V MOS1.3 Ωو<75 مگاواتسوپ 822 واط
Dk 225 mdSSR FlybackN650V MOS1.3 Ωو<75 مگاواتچرخش 830 وات
Dk2649 paSSR FlybackN650V MOS4.0 ΩN<75 مگاواتچرخش 815 وات
Dk2649 cbSSR FlybackN650V MOS2.0 ΩN<75 مگاواتسوپ 820 وات
DK2649 سی سیSSR FlybackN650V MOS1.3 ΩN<75 مگاواتسوپ 822 واط
ProductnummerTopologieZelfaangedrevenEnergiebedrijf BVVoeding Apparaat RDS(ON)HV opstartenStand-byvermogenPakketUitgangsvermogenGegevensblad downloaden
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR-flybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR-flybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR-flybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR-flybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR-flybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR-flybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR-flybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR-flybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR-flybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR-flybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR-flybackN650V MOS1.3ΩN<75mWSOP822W
Numărul produsuluiTopologieAuto-putereDispozitiv de alimentare BVDispozitiv de alimentare RDS(ON)Pornire HVPutere de așteptarePachetPutere de ieșireDescărcați fișa tehnică
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackNMOS 650V2.0ΩY<75mWSOP820W
DK220MDSSR FlybackNMOS 650V2.0ΩY<75mWDIP824W
DK225MPSSR FlybackNMOS 650V1.3ΩY<75mWSOP822W
DK225MDSSR FlybackNMOS 650V1.3ΩY<75mWDIP830W
DK2649PASSR FlybackNMOS 650V4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackNMOS 650V2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackNMOS 650V1.3ΩN<75mWSOP822W
TuotenumeroTopologiaOmavoimainenPower Device BVTeholaite RDS(ON)HV KäynnistysValmiustehoPakettiLähtötehoLataa tietolehti
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Číslo výrobkuTopológiaVlastný pohonZariadenie Power Device BVNapájacie zariadenie RDS(ON)Spustenie HVPohotovostný výkonBalíkVýstupný výkonStiahnite si hárok s údajmi
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
ProduktnummerTopologiSelvforsynendePower Device BVStrømforsyningsenhed RDS(ON)HV-opstartStandby-strømPakkeUdgangseffektDownload datablad
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Αριθμός προϊόντοςΤοπολογίαΑυτοτροφοδοτούμενοΣυσκευή ισχύος BVΣυσκευή ισχύος RDS(ON)Εκκίνηση HVΕφεδρική ισχύςΠακέτοΙσχύς εξόδουΛήψη δελτίου δεδομένων
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Номер на продуктаТопологияСамостоятелно задвижванеPower Device BVЗахранващо устройство RDS(ON)Стартиране на HVМощност в режим на готовностПакетИзходна мощностИзтегляне на информационен лист
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY< 75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY< 75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY< 75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY< 75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN< 75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN< 75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN< 75mWSOP822W
ProduktnummerTopologiSjälvstyrandePower Device BVStrömförsörjningsenhet RDS(ON)Start av HVStandby-strömPaketUtgångseffektLadda ner datablad
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN75mWSOP822W
Številka izdelkaTopologijaSamodejno napajanjeNaprava za napajanje BVNapajalna naprava RDS(ON)Zagon HVNapajanje v stanju pripravljenostiPaketIzhodna močPrenesite podatkovni list
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY< 75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY< 75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY< 75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY< 75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN< 75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN< 75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN< 75mWSOP822W
Toote numberTopoloogiaIsevoolnePower Device BVToiteseadme RDS(ON)HV käivitamineOoteseisundis olev võimsusPakettVõimsusLae alla andmeproovileht
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1,5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Produkto numerisTopologijaSavarankiškai veikianti"Power Device BVMaitinimo įrenginys RDS(ON)HV paleidimasBudėjimo režimasPaketasIšėjimo galiaAtsisiųsti duomenų lapą
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700 V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700 V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700 V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700 V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
Produkta numursTopoloģijaPašpiedziņasPower Device BVBarošanas ierīce RDS(ON)HV palaišanaGaidīšanas režīma jaudaIepakojumsIzejas jaudaLejupielādēt datu lapu
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700 V BJTIc=0,8AY<270mWDIP812W
DK1203SSR FlybackY700 V BJTIc=0,8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700 V BJTIc=1,3AY<270mWDIP818W
DK125SSR FlybackY700 V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
ProduktnummerTopologySelf-PoweredPower Device BVPower Device RDS(ON)HV StartupStandby PowerPaketOutput PowerDownload Datenblatt
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
ProduktnummerTopologySelf-PoweredPower Device BVPower Device RDS(ON)HV StartupStandby PowerPaketOutput PowerDownload Datenblatt
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
ProduktnummerTopologySelf-PoweredPower Device BVPower Device RDS(ON)HV StartupStandby PowerPaketOutput PowerDownload Datenblatt
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W
ProduktnummerTopologySelf-PoweredPower Device BVPower Device RDS(ON)HV StartupStandby PowerPaketOutput PowerDownload Datenblatt
DK106CSSR FlybackY700V BJTIc=0.4AY<270mWSOP8/DIP86W
DK112CSSR FlybackY700V BJTIc=0.8AY<270mWDIP812W
DK1203SSR FlybackY700V BJTIc=0.8AY<270mWSOP8/DIP812W
DK124SSR FlybackY700V BJTIc=1.3AY<270mWDIP818W
DK125SSR FlybackY700V BJTIc=1.5AY<270mWDIP824W
DK220MPSSR FlybackN650V MOS2.0ΩY<75mWSOP820W
DK220MDSSR FlybackN650V MOS2.0ΩY<75mWDIP824W
DK225MPSSR FlybackN650V MOS1.3ΩY<75mWSOP822W
DK225MDSSR FlybackN650V MOS1.3ΩY<75mWDIP830W
DK2649PASSR FlybackN650V MOS4.0ΩN<75mWDIP815W
DK2649CBSSR FlybackN650V MOS2.0ΩN<75mWSOP820W
DK2649CCSSR FlybackN650V MOS1.3ΩN<75mWSOP822W

Secondary side AC-DC converters - Efficient voltage conversion for modern electronics

Secondary AC-DC converters are indispensable in the world of power electronics. They ensure that electrical devices are reliably supplied with the right DC voltage. These converters are used wherever alternating current (AC) from the mains has to be converted into a stable direct voltage (DC) - be it in industrial systems, switching power supplies or modern electronic systems.

As an official sales partner of Dongke Semiconductor, we at Rotima AG offer high-quality and efficient solutions for your applications. Our products are characterized by high energy efficiency, compact design and reliable performance stability. Thanks to innovative technologies from Dongke Sem iconductor, you receive converters that have been specially developed for demanding requirements.

Whether for industrial applications or specialized electronics projects - with our secondary side AC-DC converters you can rely on quality, performance and long-term reliability.

Our range of other active components:

Synchronous rectifier

Synchronous rectifier

A synchronous rectifier is a highly efficient technology for converting alternating current into direct current, which offers significantly lower energy losses and improved performance thanks to modern MOSFETs instead of conventional diodes - ideal for powerful and sustainable electronic solutions.
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GaN ICs

GaN-ICs

GaN ICs are revolutionizing the electronics industry with their high energy efficiency, compact design and versatile applications, especially in sustainable and high-performance technologies.
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All-IN-ONE AC-DC converter

All-IN-ONE AC-DC converter

An All-IN-ONE AC-DC converter combines state-of-the-art power electronics in a compact module that reliably converts alternating current (AC) into direct current (DC) - efficient, safe and ideal for demanding industrial and technical applications.
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Secondary Side Regulation AC-DC Power Converter
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Design and function of secondary side AC-DC converters in the electronics industry

A secondary side AC-DC converter is used in electronics to convert AC voltage into a stable DC voltage. It works on the secondary side of a transformer and consists of three main components: a rectifier stage, a filter unit and a control circuit.

The rectifier, often designed as a Schottky or silicon diode bridge, converts the AC voltage into a pulsating DC voltage. A capacitor then smoothes the voltage to minimize fluctuations. Modern converters use switched-mode power supply technology with synchronous rectification to maximize efficiency.
Regulation takes place via an optocoupler or digital controller, which ensures a constant output voltage. This technology is essential for industrial applications, especially in power electronics and semiconductor technology.

Rotima AG offers high-quality solutions in cooperation with Dongke Semiconductor, which are characterized by efficiency and reliability.
Secondary sides AC-DC converters in the electronics industry
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Secondary Side Regulation AC-DC Power Converter

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Further information on secondary pages AC-DC converters

Do you have questions about our secondary side AC-DC converters? In our FAQ section, you will find concise answers to the most important topics relating to function, areas of application and technical specifications.

Whether it's about the right choice of converter, differences to other technologies or specific applications - here you will find helpful information to help you make the right decision. If you have any further questions, we are always available to provide you with our expertise and personal advice.

How does a secondary side AC-DC converter work?

A secondary-side AC-DC converter converts alternating voltage (AC) into a stable direct voltage (DC). It works on the secondary side of a transformer and consists of three main components: a rectifier stage, a filter unit and a control circuit. The rectifier, often designed as a Schottky or silicon diode bridge, generates a pulsating DC voltage from the AC voltage.

A downstream capacitor smoothes this voltage. Modern converters use switching power supply technology with synchronous rectification, which increases efficiency. A control unit with optocoupler or digital controller ensures a constant output voltage. This technology is particularly important for industrial systems, power electronics and semiconductor technology, where a stable power supply is required.
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Why are secondary-side AC-DC converters indispensable in switching power supplies?

Switch-mode power supplies require precise voltage regulation in order to supply electronic devices with power efficiently and safely. Secondary-side AC-DC converters perform precisely this task. They ensure a constant DC voltage by converting the AC voltage from the mains into a clean DC voltage. Thanks to modern synchronous rectification, they work more efficiently than traditional rectifiers.

Such converters are particularly important in computers, telecommunications equipment and LED lighting. Without them, many electronic devices would be susceptible to faults or inefficient. As switching power supplies often work with fluctuating input voltages, the secondary side converter must offer reliable voltage regulation.
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What advantages does a modern secondary side AC-DC converter offer?

Modern secondary side AC-DC converters have several advantages over older technologies. High efficiency thanks to switching power supply technology reduces energy losses and heat generation. Compact design enables space-saving integration into electronic systems.

Reliable voltage regulation prevents voltage fluctuations that could damage sensitive components. Low electromagnetic interference (EMI) ensures interference-free signal processing, which is particularly important in telecommunications and medical devices. Another advantage is the longer service life thanks to improved heat dissipation and high-quality components.
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What is the difference between a secondary-side AC-DC converter and a primary-side converter?

The difference lies in the circuit design and the position within the system. Primary side AC-DC converters are located upstream of the transformer and control the power consumption directly from the mains. They convert mains voltage into an intermediate DC voltage before it is further processed. Secondary-side AC-DC converters, on the other hand, operate downstream of the transformer and provide a stabilized DC voltage.

While primary-side converters are often responsible for the coarsely regulated voltage, secondary-side converters take over the fine voltage regulation. Both types of converter are particularly necessary in switching power supplies or industrial systems in order to provide energy-efficient and stable voltages.

Modern secondary side converters use digital regulators or optocouplers for an exact output voltage.
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What role do secondary side AC-DC converters play in the semiconductor industry?

A stable and reliable power supply is crucial in the semiconductor industry. High-precision machines and sensitive components require precisely regulated DC voltages.

Secondary side AC-DC converters ensure that voltage fluctuations that could lead to malfunctions or damage to semiconductors are avoided. They are particularly essential in production systems for microprocessors, memory chips and sensors. Modern semiconductor production relies on low operating voltages with high current stability, which is why converters with high-precision voltage regulation are required.

Advanced technologies, such as those developed by Dongke Semiconductor and marketed by Rotima AG, offer high energy efficiency and reliable performance for the semiconductor industry. They ensure that sensitive components are optimally supplied with power and that high production quality is achieved.
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