Potentiometers

Precise real-time control for industrial control technology
Wide selection of designs and resistor technologies
Components ready for series production with technical support through to integration

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Over 60 years of experience

in the electrical engineering and electronics industry

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Germany and Switzerland

Dual location strength and reliability

Potentiometer from Bourns

Commercial Panel Controls

Resistance Range Minimum Ohm	1-250K, 10k
Resistance Range Maximum Ohm	250-500K, 1M
Power-Linear	0,03-0,5 W, 0,13 to 0.2 W
Power-Audio	0,03-0,25 W, 0,06 to 0.1 W
Rotational Life (no load) Cycles	10-500K, 15k. 100k

Wirewound product range

Industrial Panel Controls

Package Diameter	6-20 mm, 3/4", 1/2", 5/8", 7/16"
Resistance Range Minimum Ohm	50-500, 1-250K, 1K-100
Resistance Range Maximum Ohm	1-4,7M, 10-500K
Power-Linear	0,25-2 W, 0,5-1-2 W
Power-Audio	0,13-1 W, 1-2 W, 0,25-0,5-1 W

Power product range

Linear Motion Potentiometers

Standard Electrical Travel	0,15. 0.25. 0.35 in., 0,2. 0.3. 0.4. 0.5 in.
Standard Resistance	1K to 50K Ω
Power Rating @ 70ºC (158ºF)	0,13 W
Insulation Resistance	50 MΩ @ 500 VDC

High Power Resistors product range

Precision Pots Multiturn

Rotational Life	1-2M, 1-5M, 300/500K, 750K/1.5M, 1M/2.5M, 2M/5M/10M, 50K, 1M/4M
Resistance-Minimum	50-200 Ω, 100-200/1K Ω, 20/50 Ω, 1-50K Ω
Resistance-Maximum	50-500K Ω, 50K/10K Ω, 100K/100K Ω, 1M Ω
Power Rating	1-5 W, 1-1.5 W

High Power Resistors product range

Precision Pots Single-turn

Package Diameter	7/8 ", 2 ", 1-5/16 "
Rotational Life	10-25M, 10-20M
Resistance-Minimum	1K Ω
Resistance-Maximum	100K Ω
Power Rating	1-2 W

High Power Resistors product range

Turns-Counting Dials

Diameter	22-46 mm
Depth	24-25 mm
Weight	7-73 g

High Power Resistors product range

Slide Potentiometers

Length of Travel	20-60-100 mm, 15-60 mm
Resistance Range Minimum Ohm	1-10K
Resistance Range Maximum Ohm	100-200K, 1M
Power-Linear	0,5 W, 0,05-0,5 W (Power rating varies by stroke length)
Power-Audio	0,25 W, 0,03-0,25 W (Power rating varies by stroke length)

High Power Resistors product range

Precise potentiometers for industrial applications

Potentiometers are among the most widely used components in electronics when it comes to the precise control and regulation of electrical signals. As mechanically adjustable resistors, they are used to set voltage, volume, position or angle of rotation and are therefore an essential component of countless devices in industry, medical technology and audio technology.

As an experienced distributor, Rotima offers a comprehensive range of potentiometers in cooperation with the quality manufacturer Bourns. Whether single-turn or multi-turn, linear or rotary potentiometers - our selection covers a wide range of requirements in demanding applications. Thanks to high-quality materials such as conductive plastic, wire winding or hybritron technology, these components guarantee a particularly long service life and repeat accuracy.

Potentiometer for measuring the angle of rotation in machines

Miniature potentiometer for space-critical applications

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Our range of potentiometers

Commercial Panel Controls

Series	Package Diameter	Shape	Number of Turns	Sealable	Detents	Shaft	Shaft End	Bushing	Element	Terminal	Taper-Linear	Taper-CW Audio	Taper-CCW Audio	Standard Resistance Tolerance	Resistance Range Minimum Ohm	Resistance Range Maximum Ohm	Power-Linear	Power-Audio	Rotational Life (no load) Cycles	Options-Ganging
PDB08	8 mm	Round	1		Center	Plastic	Plain	No Bushing	Carbon	PC Pins	x	x		±30 %	5K	500K	0.03 W	0.03 W	10K	2
PDB12	12 mm	Round	1	IP30	Center	Insulated	Flatted	No Bushing	Carbon	Rear, Side, & Snap Mount PC Pins	x	x		±20 %	1K	1M	0.08 W	0.04 W	15K	2
PDB18	17 mm	Round	1	IP30	Center	Metal	Knurled, Flatted, Plain	Metal	Carbon	Rear, Side & Front PC Pins	x	x		±20 %	1K	1M	0.20 W	0.10 W	15K	2
PDB181-GTR	17 mm	Round	1	IP30		Metal	Knurled, Plain	Metal	Carbon	Rear Facing Solder Lugs	x	x	x	±20 %	10K	1M	0.125 to 0.2 W	0.06 to 0.1 W	15K	2
PDB182-GTRB	17 mm	Round	1			Metal	Knurled, Plain	Metal	Carbon	Rear Facing Solder Lugs		x		±20 %	250K	500K		0.06 W	15K	2
PDB183	17 mm	Round/Square Switch	1	IP30	Center	Metal	Knurled, Plain	Metal	Carbon	Rear Facing Solder Lugs/Rear Facing PC Pins	x	x	x	±20 %	1K	1M	0.2 W	0.1 W	15K	2
PDB183-GTR	17 mm	Round	1	IP30		Metal	Knurled, Plain	Metal	Carbon	Side Solder Lugs/Side PC Pins	x	x	x	±20 %	10K	1M	0.2 W	0.1 W	15K	2
PDB185-GTR	17 mm	Round	1			Metal	Knurled, Slotted	Metal	Carbon	Side Solder Lugs/Side PC Pins	x	x	x	±20 %	10K	1M	0.1 W	0.05 W	15K	1
PDB24	24 mm	Round	1	IP30	Center	Metal	Knurled, Flatted, Plain	Metal	Carbon	Rear & Down Facing Solder Lugs/Front PC Pins	x	x	x	±20 %	1K	1M	0.5 W	0.25 W	Standard: 15K; High: 500K	1
PDB241-GNL	24 mm	Round	1	IP30		Metal	Knurled, Plain	Metal	Carbon	Solder Lugs	x	x	x	±20 %	10K	1M	0.25 W	0.25 W	15K	1
PDB241-GTR	24 mm	Round	1	IP30		Metal	Knurled, Plain	Metal	Carbon	Solder Lugs	x	x	x	±20 %	10k	1M	0.25 W	0.25 W	15k, 100k	1
PDF24	24 mm	Round	1	IP40		Metal	Flatted, Plain	Metal	Carbon	Solder Lugs	x	x		±10 %	1K	1M	0.5 W	0.25 W	500K	0
PRM16	16 mm	Round/Square	1	IP30		Metal	Knurled, slotted	Metal	Carbon	PC Pins	x	x	x		1K	1M	0.1 W	0.05 W	15K	Dual Selection
PRS11R	11 mm	Square	1	IP40		Metal	Flatted	Metal	Carbon	PC pins	x	x	x	±20 % to ±30 %	5K	250K	0.05 W	0.05 W	15K	1
PRS12R	12 mm	Square	1	IP40	Center	Metal	Flatted, Slotted, Knurled	Metal	Carbon	PC pins	x	x	x	±20 % to ±30 %	5K	500K	0.05 W	0.05 W	10K	1
PRS14R	14 mm	Square	1	IP40	Center	Plastic	Flatted	Metal	Carbon	PC pins	x	x	x	±20 %	5K	500K	0.05 W	0.05 W	15K	1
PTD90	9 mm	Round	1	IP40	Center	Metal	Knurled Flatted	Metal	Carbon	PC Pins	x	x		±10 % to ±20 %	1K	1M	0.05 W	0.025 W	15K	8
PTJ90	9 mm	Square	1	IP40	Yes	Metal	Slotted, Flatted	Metal	Carbon	PC Pins	x	x	x	±20 % to ±30 %	1K		0.05 W	0.025 W	15K	2
PTM90	9 mm	Square	1	IP40	Yes	Metal	Slotted, Knurled, Flatted	Metal	Carbon	PC Pins	x	x	x	±20 % to ±30 %	1K	1M	0.05 W	0.025 W	15K	2
PTR90	9 mm	Square	1	IP40	Yes	Metal	Flatted, Knurled	Metal	Carbon	PC Pins	x	x	x	±10 % to ±20 %	1K	1M	0.05 W	0.025 W	15K	8
PTV/PTT	12 mm	Square	1	IP40	Center	Plastic	Flatted	Metal	Carbon	PC Pins Rear & Side	x	x		±20 %	1K	1M	0.05 W	0.05 W	15K
PTV09	9 mm	Square	1	IP40	Center	Plastic	Flatted, Knurled	Metal	Carbon	PC Pins Rear & Side	x	x	x	±20 %	1K	1M	0.05 W	0.05 W	15K

Industrial Panel Controls

Series	Package Diameter	Shape	Number of Turns	Sealable	Detents	Shaft	Shaft Color	Bushing	Element	Terminal	Taper-Linear	Taper-CW Audio	Taper-CCW Audio	Standard Resistance Tolerance	Resistance Range Minimum Ohm	Resistance Range Maximum Ohm	Power-Linear	Power-Audio	Options-Switch	Options-Ganging
620	13 mm	Round	1			Metal		Metal	Cermet	Solder Lugs/Side & Front PC Pins	x			±20 % & ±30 %, ±5 % & ±10 % available as special	100	4.7M	1 W
621	20 mm	Round	1			Metal		Metal	Cermet	Solder Lugs	x			±20 % & ±30 %, ±5 % & ±10 % available as special	100	1M	2 W
3310	9 mm	Square	1	IP67		Plastic	White	Plastic/Metal	Conductive Plastic	PC Board/Bushing Mount	x	x	x	±20 %	1K	1M	0.25 W		x	2
3360	6 mm	Square	1	IP67		Plastic	White	Plastic	Conductive Plastic	PC Board/Bushing Mount	x	x	x	±20 %	1K	1M	0.25 W	0.125 W
3851-3852-3856	3/4"	Round	1	IP40		Metal	Metal	Metal	Conductive Plastic/Cermet	PC Pins/Solder Lug/Side	x	x	x	±5 %, ±10 %, ±20 %	1K-100	1M	1-2 W	1-2 W
3862	1/2"	Round	1	IP40		Metal	Metal	Metal	Cermet	PC Pins/Solder Lug/Side	x			±5 % / ±10 %	1K	1M	1 W	1 W
39	13 mm	Round	1	IP40		Metal	Metal	Metal	Conductive Plastic	PC Pins	x	x	x	±20 %	5K	100K	0.25 W	0.125 W	x
51/53	1/2"	Square	1	IP64	x	Metal	Metal	Metal	Conductive Plastic/Cermet	PC Pins/Solder Lug/Side	x	x	x	±5 %, ±10 %, ±20 %	150	500K	0.5 W	0.25 W		6
54	1/2"	Square	1	IP64		Metal	Metal	Metal	Conductive Plastic	PC Pins	x	x		±10 %, ±20 %	1K	500K	0.5 W	0.25 W	Push-Pull	1
56	1/2"	Square	1	IP64		Metal	Metal	Metal	Conductive Plastic	PC Pins	x	x		±10 %, ±20 %	1K	500K	0.5 W	0.25 W	Rotary	1
81/82	5/8"	Square	1	IP40		Metal	Metal	Metal	Conductive Plastic/Cermet	PC Pins/Solder Lug/Side	x	x	x	±5 %, ±10 %, ±20 %	50	1M	1 W	0.5-1 W		4
82	5/8"	Square	1	IP40		Metal		Metal	Conductive Polymer	Rear Facing J-Hooks		x		±10 %	250K	500K		0.25 W		1
83-84	5/8"	Square	10	IP40		Metal	Metal	Metal	Wirewound/Hybritron®	PC Pins/Solder Lug/Side	x			±5 % / ±10 %	200	100K	1 W			2
85/86	5/8"	Square	1	IP40		Metal	Metal	Metal	Conductive Plastic/Cermet	J-hook/PC Pins/Side	x	x	x	±5 %, ±10 %, ±20 %	50	1M	1 W	0.5-1 W	x	4
91-95	5/8"	Square	1	IP40		Metal/Plastic	Blue	Metal/Unthreaded Plastic	Conductive Plastic/Cermet	PC Pins/J-hooks/Solder Lug/Side	x	x	x	±5 %, ±10 %, ±20 %	100	1M	0.5-2 W	0.25-1 W		2
91-95 Long Life	5/8"	Square	1	IP40		Metal	Metal	Metal	Conductive Plastic	PC Pins/J-hooks/Solder Lugs	x			±10 %	1K	10K	1 W			2
95	5/8"	Square	1	IP40		Metal	Metal	Metal	Conductive Polymer	Solder Lugs	x	x		±20 %	25K	500K		0.25 W
96	5/8"	Square	1	IP65		Metal/Plastic	Blue	Metal/Unthreaded Plastic	Conductive Plastic/Cermet	PC Pins/J-hooks/Solder Lug/Side	x	x	x	±5%, 10%, 20%	100	1M	0.5-2 W	0.25-1 W		1
97, 99	5/8"	Square	1	IP40		Metal/Plastic	Blue	Metal/Unthreaded Plastic	Conductive Plastic/Cermet	PC Pins/J-hooks/Solder Lug/Side	x	x	x	±5 %, ±10 %, ±20 %	100	1M	0.5-2 W	0.25-1 W	Yes	2
PC-Slimline Pot	7/16"	Square	1	IP40	x	Plastic	Black	Plastic	Conductive Plastic	PC Pins	x	x	x	±20 %	500	1M	0.75 W	0.25 W

Linear Motion Potentiometers

Photo	Series	Standard Resistance Tolerance	Standard Electrical Travel	Standard Resistance	Independent Linearity	Resolution	Power Rating @ 70ºC (158ºF)	Operating Temperature	Insulation Resistance	Data Sheet
	3046	±20 %	0.15, 0.25, 0.35 in.	1K to 50K Ω	±5 %	Infinite	0.125 W	-55 ºC to +125 ºC	50 MΩ @ 500 VDC
	3048	±20 %	0.2, 0.3, 0.4, 0.5 in.	1K to 50K Ω	±5 %	Infinite	Range 2, 3 - 0.12 W Range 4, 5 - 0.25 W	-55 ºC to +125 ºC	50 MΩ @ 500 VDC

Precision Pots Multiturn

Series	Package Diameter	Shape	Rotational Life	Number of Turns	Sealable	Detents	Shaft	Bushing	Element	Terminal	Taper-Linear	Linearity	Resistance-Minimum	Resistance-Maximum	Power Rating	Ganging
3400	1-13/16 "	Round	2M	10	IP40		Metal	Metal	Wirewound	Solder Lug/Side	x	±0.15 %	100 Ω	500K Ω	5 W	2
3500/3501	7/8 "	Round	2M	10	IP65		Metal	Metal	Wirewound/Hybritron®	Solder Lug/Side	x	±0.2 %	50 Ω	200K Ω	2 W	2
3540, 3541	7/8 "	Round	1-5M	10	IP40		Metal	Metal	Wirewound/Hybritron®	Solder Lug/Side	x	±0.25 % / ±10 %	100/1K Ω	100K Ω	2 W	2
3543/3545	7/8 "	Round	300/500K	3-5	IP40		Metal	Metal	Wirewound	Solder Lug/Side	x	±0.25 %	20/50 Ω	50K Ω	1-1.5 W	2
3547	7/8 "	Round	750K/1.5M	3	IP50		Nickel Plated Brass/Stainless Steel	Brass/Bronze	Wirewound/Hybritron®	Solder Lug/Side	x	±0.25 %	200/1K Ω	50K/10K Ω	1 W	2
3548	7/8 "	Round	1M/2.5M	5	IP50		Nickel Plated Brass/Stainless Steel	Brass/Bronze	Wirewound/Hybritron®	Solder Lug/Side	x	±0.25 %	200/1K Ω	50K/10K Ω	1.5 W	2
3549	7/8 "	Round	2M/5M/10M	10	IP50		Nickel Plated Brass/Stainless Steel	Brass/Bronze	Wirewound/Hybritron®	Solder Lug/Side	x	±0.2 %	100/1K Ω	100K/100K Ω	2 W	2
3590	7/8 "	Round	1M	10	IP65		Metal/Plastic	Metal/Plastic	Wirewound	PC Pins/Solder Lug/Side	x	±0.25 %	200 Ω	100K Ω	2 W
3610	7/8 "	Round	50K	10	IP60		Digital Clock Face	Digital Clock Face	Wirewound	J-Hook/Rear	x	±0.5 %	100 Ω	100K Ω	1.5 W
3680	N/A	Square		N/A	IP40	x	Push Button	Metal	Cermet	Solder Lug/Rear	x	±0.1 %	50K Ω	1M Ω	2 W
3700/3701	1/2 "	Round	1M/4M	10	IP40		Metal	Metal	Wirewound/Hybritron®	Solder Lugs/Turret Lugs	x	±0.25 %	2K Ω	100K Ω	1 W
3750/3751	1/2 "	Round	1M/4M	10	IP40		Metal	Metal	Wirewound/Hybritron®	Solder Lugs/Turret Lugs	x	±0.25 %	1K Ω	100K Ω	1 W
H-385	H-385 Notes: For use with Model 3680 digital pushbutton precision potentiometer. Protects front of the pot from unwanted entry of rain, dust, grease or oils.

Precision Pots Single-turn

Series	Package Diameter	Shape	Rotational Life	Number of Turns	Sealable	Shaft	Bushing	Element	Terminal	Taper-Linear	Linearity	Resistance-Minimum	Resistance-Maximum	Power Rating	Ganging
6534	7/8 "	Round	25M	1 (Continuous Mechanical Rotation)	IP40	Metal	Servo Lid	Conductive Plastic	Turret Lugs	x	±0.5 %	1K Ω	100K Ω	1 W	10
6537/6538	7/8 "	Round	10-20M	1 (Continuous Mechanical Rotation)	IP40 (6537); IP50 (6538)	Metal	Servo Lid	Conductive Plastic	Turret Lug/Rear	x	±1 %	1K Ω	100K Ω	1 W
6539/6639	7/8 "	Round	10M	1 (Continuous Mechanical Rotation)	IP40	Metal	Servo Lid/Metal	Conductive Plastic	Turret Lug/Rear	x	±2 %	1K Ω	100K Ω	1 W
6574	2 "	Round	25M	1 (Continuous Mechanical Rotation)	IP40	Metal	Servo Lid	Conductive Plastic	Turret Lug/Rear	x	±0.25 %	1K Ω	100K Ω	2 W	10
6637	7/8 "	Round	10M	1 (Continuous Mechanical Rotation)	IP40	Metal	Metal	Conductive Plastic	Turret Lug/Rear	x	±1 %	1K Ω	100K Ω	1 W
6638	7/8 "	Round	20M	1 (Continuous Mechanical Rotation)	IP40	Metal Ball Bearing	Metal	Conductive Plastic	Turret Lug/Rear	x	±1 %	1K Ω	100K Ω	1 W
6657	1-5/16 "	Round	20M	1 (Continuous Mechanical Rotation)	IP40	Metal	Metal	Conductive Plastic	Turret Lug/Rear	x	±1 %	1K Ω	100K Ω	1 W
6674	2 "	Round	25M	1 (Continuous Mechanical Rotation)	IP40	Metal	Metal	Conductive Plastic	Turret Lugs	x	±0.25 %	1K Ω	100K Ω	2 W

Slide Potentiometers

Series	Length of Travel	Shape	Detents	Lever	Element	Terminal	Taper-Linear	Taper-CW Audio	Taper-CCW Audio	Resistance Range Minimum Ohm	Resistance Range Maximum Ohm	Power-Linear	Power-Audio	Options-Ganging
PSL	60-100 mm	Linear Slide		Metal	Carbon	Connector	x	x	x	10K	100K	0.5 W	0.25 W	2
PSM	60-100 mm	Linear Slide		Metal	Carbon	PC Pins, Connector	x	x	x	1K	1M	0.5 W (Power rating varies by stroke length)	0.25 W (Power rating varies by stroke length)	1
PSP	60-100 mm	Linear Slide		Metal	Carbon	Connector	x	x	x	1K	1M	0.5 W	0.25 W	2
PTA	15-60 mm	Linear Slide	Center	Metal/Plastic	Carbon	PC Pins	x	x		1K	1M	0.05 W (Power rating varies by stroke length)	0.025 W (Power rating varies by stroke length)	2
PTB	45-100 mm	Linear Slide		Metal/Plastic	Carbon	PC Pins	x	x		5K	200K	0.125 W (Power rating varies by stroke length)	0.025 W (Power rating varies by stroke length)	2
PTL	20-100 mm	Linear Slide	x	Insulated with LED	Carbon	PC Pins	x	x	x	1K	1M	0.05 W (Power rating varies by stroke length)	0.025 W (Power rating varies by stroke length)

Turns-Counting Dials

Series	Number of Turns	Readout	Division/Turn	Brake	Diameter	Depth	Weight	Part Number/Shaft Diameter
H-22	0-15	Concentric Scale	50	Yes	22 mm	24 mm	15 g	H-22-6A: 1/4 ", H-22-6M: 6 mm, H-22-3A: 1/8 ", H22-6A-B: 1/4 ", H22-6A-SB: 1/4 "
H-23	0-15	Concentric Scale	50	Yes	22 mm	24 mm	15 g	H-23-6A: 1/4 ", H-23-6M: 6 mm, H-23-3A: 1/8 "
H-46	0-20	Concentric Scale	100	Yes	46 mm	25 mm	73 g	H-46-6A: 1/4 ", H-46-6M: 6 mm
H-516	0-15	Concentric Scale	50	Yes	22 mm	25 mm	7 g	H-516-3A: 1/8 ", H-516-6A: 1/4 ", H-516-6M: 6 mm

Potentiometers for precise control in industry, medical technology and audio technology

Potentiometers are used in numerous applications where analog signals need to be regulated, controlled or precisely recorded. In industrial electronics, for example, they are used for position feedback in machines or for setting parameters on control systems. Potentiometers are also used in medical technology, for example for the precise control of device settings or for motion detection in rehabilitation systems.

In the field of audio and event technology, they perform important functions for volume control, sound control or signal distribution - for example in mixing consoles, amplifiers or effect devices. Bourns develops particularly robust potentiometers especially for this area, which work reliably even under frequent mechanical stress.

Other typical applications include measuring devices, power supply units, laboratory technology and control units in vehicles. Thanks to the high manufacturing quality and diverse designs, the Bourns potentiometers distributed by Rotima offer a reliable solution for a wide range of industries - precise, durable and adaptable to customer-specific requirements.

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Technical properties of potentiometers explained

Potentiometers essentially consist of a resistive element, a sliding contact (wiper) and a rotary or sliding mechanism. The wiper moves over the resistance element and changes the electrical resistance between the connections. Depending on the design, whether single-turn, multiturn or linear, the adjustment is made by turning or sliding.

In electronics, potentiometers are used as voltage dividers for analog signal control. Particularly precise designs, such as those manufactured by Bourns, use wire winding, conductive plastic or hybrid bronze material for precise and durable control. Typical applications range from position sensors and audio applications to the control of industrial systems.

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Further information on potentiometers

Potentiometers play a central role in precise signal regulation, sensor technology and analog control. In this section, we answer specific technical questions frequently asked by experts and purchasers from industry, medical technology and pro audio. Whether it's functionality, designs or areas of application - here you will find clear and practical information. As a distributor, Rotima AG offers sound advice and supplies high-quality potentiometers for every application.

What are potentiometers and how do they work?

Potentiometers are adjustable electrical Resistors that are used for analog signal control. Technically, they consist of a resistor element and a movable sliding contact (wiper), which moves mechanically over the element and thus changes the resistance value between the connections. This change all...

Where are potentiometers used?

Potentiometers are used in almost all areas of electronics, especially where analog values such as voltage or resistance need to be finely adjusted. They are frequently used to control motors, regulate temperature, light or speed and to set parameters in control panels. In medical technology, they ...

What types of potentiometers are there?

Potentiometers are available in various designs, each of which is tailored to different applications. The most common variants are single-turn and multiturn potentiometers. Single-turn versions are suitable for quick adjustments within a limited range, while multi-turn potentiometers allow finer ad...

How do potentiometers differ from digital encoders?

Potentiometer and digital Encoder are both used to record position or rotary movement, but differ fundamentally in their structure and mode of operation. Potentiometer work analog: They generate a continuous voltage signal depending on the position of the wiper on the resistive element. Encoders, o...

Why are high-quality potentiometers important in industrial applications?

In industrial applications, precision, reliability and durability are essential - properties that high-quality Potentiometer must fulfill. Mechanical and thermal loads act on the components, particularly in control systems, measuring systems and sensor applications. Cheap or inferior Potentiometer ...