Electrolytic capacitors for high-frequency applications
Buy electrolytic capacitors
At ROTIMA AG you will find a wide range of high-quality electrolytic capacitors supplied by leading manufacturers such as AIC EUROPA and Jianghai. Electrolytic capacitors are characterized by their special design, which enables them to offer high capacitance values in a small space. These components are essential for stabilizing voltages and filtering unwanted frequencies in a variety of electronic circuits. Our product range includes solutions for almost every application, from automotive to consumer electronics. By working closely with our suppliers, we ensure that our customers have access to the latest technologies and highest quality products. Whether you are looking for standard electrolytic capacitors or special types for demanding applications, you will find what you are looking for at ROTIMA AG. Our experts will be happy to help you find the optimum solution for your specific needs.
- Large selection of electrolytic capacitors
- For high-performance applications
- Swiss quality
- On the market for 60 years
Our range of electrolytic capacitors:
Snap-in capacitors
These capacitors are characterized by their simple assembly, as they can be inserted quickly and without soldering in printed circuit boards. They also offer high capacitance and dielectric strength, which makes them ideal for applications in power electronics and high current loads.
Radial capacitors
Radial capacitors have connection legs that lead down from the bottom of the cylindrical component, which allows for easy mounting on PCBs. They are known for their compact design, which makes them ideal for applications where space on the board is a critical factor.
Screw terminal capacitors
Screw terminal capacitors offer high capacitance and dielectric strength in a robust housing that ensures easy mounting and secure electrical connection via screw terminals. This design enables a reliable and maintenance-friendly solution for applications in power electronics and industry.
Discover our wide range of electrolytic capacitors, from powerful snap-in capacitors to reliable radial capacitors and robust screw terminal capacitors, to meet the most diverse technical requirements and applications.
Areas of application for our electrolytic capacitors:
- Power electronics - smoothing DC voltages and filtering interference.
- Switching power supplies - buffering and filtering in the power supply.
- Audio devices - coupling and decoupling of signal paths, improvement of sound quality.
- Motherboards and computer power supplies - voltage stabilization and noise suppression.
- Telecommunications - signal processing and power supply in network equipment.
- Automotive industry - control systems, audio systems and energy management.
- Aerospace - power supply and electronics in satellites and airplanes.
- Industrial control systems - automation, motor control and process control.
With ROTIMA AG you will find the ideal electrolytic capacitor for your project - whether for industry, consumer electronics or specialized technical requirements. We are your contact for first-class electronic components that will take your projects and products to the next level.
Our exclusive sales partners
Our exclusive distribution partners for electrolytic capacitors play a crucial role in the provision of high-quality electronic components. Through their expertise and commitment, they ensure smooth availability and delivery of our products. With a broad network of distribution partners worldwide, we can optimally serve our customers and meet their requirements in various industries such as electronics, automotive and telecommunications. Our partnerships enable us to offer innovative solutions and achieve outstanding results together with our customers.
Rely on our expertise as a recognized sales partner of AC Europe when it comes to film capacitors. We offer a wide range of solutions specifically designed to improve the efficiency and longevity of your electronic devices.
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Standard and customized electrolytic capacitors
At Rotima, we understand the importance of high-quality electrolytic capacitors for both standardized and specialized applications. We offer a wide range of electrolytic capacitors that meet general market standards as well as specific customer requirements. With our expertise in the electronics industry, we offer customized solutions that are precisely tailored to the individual needs and technical specifications of our customers.
Our custom electrolytic capacitors are characterized by their reliability, durability and performance, making them ideal for a wide range of industrial applications. At Rotima, we are committed to providing excellent customer service and technical support to ensure that our customers receive the best possible components for their projects.
Our custom electrolytic capacitors are characterized by their reliability, durability and performance, making them ideal for a wide range of industrial applications. At Rotima, we are committed to providing excellent customer service and technical support to ensure that our customers receive the best possible components for their projects.
What can we do for you?
Contact our product experts
Marco Saner
Head of Internal Sales Electrical Engineering, Sales & Product Management
+41 44 927 26 51
Do you have any questions about:
Electrolytic capacitors
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Do not hesitate to contact us, we will be happy to advise you personally.
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Further information on electrolytic capacitors
You can find more information on electrolytic capacitors in our FAQ section. Find out more about their applications, types and selection criteria. We answer frequently asked questions about technical specifications, use in various industries and much more. If you would like to find out more about electrolytic capacitors, take a look at our detailed FAQs.
What are electrolytic capacitors?
Electrolytic capacitors are a type of capacitor used in electronic circuits to store and release electrical charge. They consist of two conductive plates separated by a dielectric and an electrolyte that serves as a conductive liquid. These capacitors are known for their high capacity in relation to their size.
There are two main types of electrolytic capacitors: Aluminum electrolytic capacitors and tantalum electrolytic capacitors. Aluminum electrolytic capacitors are widely used and have a high capacitance per volume, while tantalum electrolytic capacitors have an even higher capacitance per volume, but are also more expensive.
Electrolytic capacitors are commonly used in electronic devices such as computers, televisions, audio amplifiers, power supplies and many other applications where a stable and reliable power supply is required.
There are two main types of electrolytic capacitors: Aluminum electrolytic capacitors and tantalum electrolytic capacitors. Aluminum electrolytic capacitors are widely used and have a high capacitance per volume, while tantalum electrolytic capacitors have an even higher capacitance per volume, but are also more expensive.
Electrolytic capacitors are commonly used in electronic devices such as computers, televisions, audio amplifiers, power supplies and many other applications where a stable and reliable power supply is required.
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What are electrolytic capacitors used for?
Electrolytic capacitors are used in electronic circuits to store and release electrical charge. They are particularly useful when high capacitance is required as they offer a relatively high capacitance per size compared to other capacitor types.
Typically, electrolytic capacitors are used in switching power supplies, rectifier circuits, amplifier circuits, audio processing systems, motor controllers and many other electronic applications where a stable DC voltage is required or when AC power needs to be converted to DC.
Typically, electrolytic capacitors are used in switching power supplies, rectifier circuits, amplifier circuits, audio processing systems, motor controllers and many other electronic applications where a stable DC voltage is required or when AC power needs to be converted to DC.
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What types of electrolytic capacitors are there?
There are several types of electrolytic capacitors, which can be differentiated according to their structure and the materials used:
Aluminum electrolytic capacitors: Aluminum electrolytic capacitors are the most common electrolytic capacitors. They consist of an aluminum foil as the anode, which is coated with a thin layer of an oxide that serves as the dielectric. The electrolyte liquid in which the cathode is soaked significantly improves the capacitance of the capacitor.
Tantalum electrolytic capacitors: Tantalum electrolytic capacitors are known for their high capacitance density and good performance at low temperatures. They use tantalum as the anode material and an oxide layer as the dielectric, which is produced by anodization.
Polymer electrolytic capacitors: Polymer electrolytic capacitors are a further development of aluminum electrolytic capacitors. They use organic polymer materials as the electrolyte, which leads to improved performance and a longer service life.
Hybrid electrolytic capacitors: Hybrid electrolytic capacitors combine the advantages of electrolytic capacitors with those of other capacitor technologies such as ceramic or tantalum. They offer a high capacitance density and good performance at low temperatures.
Aluminum electrolytic capacitors: Aluminum electrolytic capacitors are the most common electrolytic capacitors. They consist of an aluminum foil as the anode, which is coated with a thin layer of an oxide that serves as the dielectric. The electrolyte liquid in which the cathode is soaked significantly improves the capacitance of the capacitor.
Tantalum electrolytic capacitors: Tantalum electrolytic capacitors are known for their high capacitance density and good performance at low temperatures. They use tantalum as the anode material and an oxide layer as the dielectric, which is produced by anodization.
Polymer electrolytic capacitors: Polymer electrolytic capacitors are a further development of aluminum electrolytic capacitors. They use organic polymer materials as the electrolyte, which leads to improved performance and a longer service life.
Hybrid electrolytic capacitors: Hybrid electrolytic capacitors combine the advantages of electrolytic capacitors with those of other capacitor technologies such as ceramic or tantalum. They offer a high capacitance density and good performance at low temperatures.
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What special areas of application are there for electrolytic capacitors in industry?
Electrolytic capacitors have various applications in the industry due to their specific properties such as high capacitance, small footprint and ability to stabilize DC voltage. Here are some specific areas of application:
Power supplies and power supplies: electrolytic capacitors are often used in switching power supplies, linear power supplies and other power supply systems to smooth and stabilize direct current.
Inverters and frequency converters: In industrial applications, electrolytic capacitors are used in inverters and frequency converters to filter the voltage and perform power factor correction.
Electronic motor controllers: Electrolytic capacitors are used in motor controllers for industrial applications to stabilize motor operation and minimize interference.
Power electronics: Electrolytic capacitors are used in high-power electronic devices such as welding equipment, frequency converters for motors and other high-power applications to smooth and stabilize power.
Audio amplifiers and hi-fi electronics: In the audio industry, electrolytic capacitors are used in amplifiers and audio equipment for filtering and coupling to reduce unwanted noise and improve sound quality.
Lighting technology: Electrolytic capacitors are used in LED drivers and other lighting systems to stabilize the power supply and extend the service life of LED lamps.
Automotive industry: Electrolytic capacitors are also used in the automotive industry, especially in vehicle controls, engine control units and other electronic systems to improve electrical performance and ensure reliability.
Power supplies and power supplies: electrolytic capacitors are often used in switching power supplies, linear power supplies and other power supply systems to smooth and stabilize direct current.
Inverters and frequency converters: In industrial applications, electrolytic capacitors are used in inverters and frequency converters to filter the voltage and perform power factor correction.
Electronic motor controllers: Electrolytic capacitors are used in motor controllers for industrial applications to stabilize motor operation and minimize interference.
Power electronics: Electrolytic capacitors are used in high-power electronic devices such as welding equipment, frequency converters for motors and other high-power applications to smooth and stabilize power.
Audio amplifiers and hi-fi electronics: In the audio industry, electrolytic capacitors are used in amplifiers and audio equipment for filtering and coupling to reduce unwanted noise and improve sound quality.
Lighting technology: Electrolytic capacitors are used in LED drivers and other lighting systems to stabilize the power supply and extend the service life of LED lamps.
Automotive industry: Electrolytic capacitors are also used in the automotive industry, especially in vehicle controls, engine control units and other electronic systems to improve electrical performance and ensure reliability.
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