Potentiometer Classification: Why It Becomes Harder the More You Learn
12/16/2025
Potentiometers seem easy to classify at first, but real products often cross structure, material, and application boundaries.
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Metal materials play a pivotal role in industrial manufacturing, valued for their excellent conductivity, strength, and corrosion resistance. This page presents a range of common and specialized metals, along with their applications in sensors, potentiometers, and precision components.
Clad materials are engineered composites that bond two or more distinct metals into layered structures, combining the best properties of each. By optimizing conductivity, strength, wear resistance, and corrosion protection, they enable high-performance components while reducing the use of costly precious metals. With flexible thickness ratios, widths, and bonding configurations, clad strips are ideal for precision electrical contacts, connector terminals, battery tabs, potentiometer and sensor elements, and other applications where performance, reliability, and material efficiency are critical.
clad material processing demonstration showing bonding of metal strips through rollers
| Clad metal spec. | |
|---|---|
| Strip thickness | 0.015~1.5mm |
| Strip width | 3~100mm |
| Cladding thickness | 0.001~70% strip thickness |
| Cladding width | 1~100mm |
| Total thickness H | Total thickness tolerance | Clad layer Thickness T | Clad layer Tolerance |
|---|---|---|---|
| 0.015≤H<0.040 | ±0.002 | 0.001≤T<70% H | +20%T / -10%T |
| 0.040≤H<0.100 | ±0.003 | ||
| 0.100≤H<0.300 | ±0.005 | ||
| 0.300≤H<0.500 | ±0.010 | ||
| 0.500≤H<0.800 | ±0.020 | ||
| 0.800≤H<1.200 | ±0.035 | ||
| 1.200≤H<1.500 | ±0.040 | ||
| Note: For other specifications, please contact us for further details | |||
| Total thickness H | Total width W | Tolerance of width | Width of clad layer | Width tolerance of clad layer |
|---|---|---|---|---|
| 0.015≤H<0.300 | 3≤W<100 | ±0.05 | 1.0~100.0 | 0~1.0 |
| 0.300≤H<0.500 | ±0.15 | |||
| 0.500≤H<0.800 | 6≤W<100 | |||
| 0.800≤H<1.500 | ±0.25 | |||
| Note: For other specifications, please contact us for further details. | ||||
Precision alloy strips, flat wires, and wires are essential materials for high-performance electrical and electronic components. Manufactured with tight dimensional tolerances and excellent surface quality, these materials offer stable conductivity, strength, and corrosion resistance. Strips are suitable for stamping terminals, springs, and housings; flat wires (ribbons) provide compact, efficient solutions for coil windings, brush contacts, and precision connectors; wires are ideal for micro-motor windings, sensor elements, and fine electronic components. With a wide range of thicknesses, widths, and diameters, each form is tailored to meet the demands of advanced manufacturing in automotive, industrial, and consumer electronics applications.
Precious Part Materials: AgPd30, AgPd50, AP-2, AP-3, APZC, APNC
Base Materials: C7701, MX96, MX215
Alloy Strip: C7701 (BZn18-26), MX96, MX215
Key Properties: Arc burning resistance, excellent wear resistance; inhibits spark production; extends service life for motors and sliding contact parts; thickness of super thin brush strips ≤ 0.05 mm
Typical Applications: Brush materials for various micro motors (mobile phones, model aircraft, toy motors), and contact parts in potentiometers and sensors
Brush and super thin brush materials are essential for ensuring reliable electrical contact in miniature motors, potentiometers, and precision sensors. Using high-performance copper alloys and precious metal contacts such as silver-palladium, these materials deliver superior arc resistance, wear resistance, and stable conductivity under high-speed or long-duration operation. With thicknesses as low as 0.05 mm, they are ideal for compact designs where space, weight, and durability are critical—making them a preferred choice in mobile devices, model aircraft, automotive components, and industrial control systems.
Thickness: 0.015 ~ 3.0mm
Width: 10 ~ 200mm
Thickness: 0.10 ~ 3.0mm
Width: 1.27 ~ 10mm
Diameter: ≥ Φ0.03mm
Potentiometers seem easy to classify at first, but real products often cross structure, material, and application boundaries.
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