Product Overview
The Piher PT-10 and PTC-10 are 10-mm carbon and cermet through-hole potentiometers designed for applications requiring frequent adjustment. Their shaftless design enables versatile engagement mechanisms, including customized shafts, motor controls, or human interface adjustments. These potentiometers effectively control variable outputs such as frequency, motor speed, and volume. Key features include excellent linearity (up to 3%), a choice of carbon or cermet resistive elements, up to 16 mechanical detents for tactile feedback, and an operational life of up to 100,000 cycles. They offer IP54 protection and are available with magazine packaging for automatic insertion. Applications span appliance program selection, thermostat adjustment, timer and control relays, consumer electronics, power tool controls, and test and measurement equipment.
Product Attributes
- Brand: Piher
- Product Series: PT-10 / PTC-10
- Resistive Element: Carbon or Cermet
- Substrate: Polyester / Alumina
- Protection: IP54
- Flammability: Self-extinguishable plastic (UL 94V-0) available; PTC-10 made of non-flammable material by standard.
- Certifications: ISO 14001, BUREAU VERITAS
Technical Specifications
| Specification | PT-10 | PTC-10 |
|---|---|---|
| Taper | Lin, Log, Alog | Log, Alog (Decad. 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0) |
| Range of values | 100 Rn 5M | 1K Rn 5M |
| Tolerance | 20% (100 Rn 1M) 30% (1M < Rn 5M) | 20% (100 Rn 1M) 30% (1M < Rn 5M) |
| Max. Voltage | 200 VDC (Lin) 100 VDC (Log, Alog) | 100 VDC |
| Nominal power at 50C (122F) | 0.15 W (Lin) 0.07 W (Log, Alog) | 0.15 W (Lin) 0.07 W (Log, Alog) |
| Nominal power at 70C (158F) | 0.33 W (Lin) 0.17 W (Log, Alog) | 0.33 W (Lin) 0.17 W (Log, Alog) |
| Residual resistance | 0.5% Rn (5 min.) | |
| Equivalent noise resistance | 3% Rn (3 min.) | |
| Operating temperature | -25C to +70C | -40C to +90C |
| Mechanical rotation angle | 235 5 | |
| Electrical rotation angle | 220 20 | |
| Torque | 0.4 to 2 Ncm (0.6 to 2.7 in-oz) | |
| Rotational Stop | > 5 Ncm (>7 in-oz) | |
| Push-pull force over the rotor | > 49N | |
| Life | Up to 100k cycles | Up to 10k cycles |
| Environmental Testing (Typical R) - Electrical Life | 5% (1.000h at 50C; 0.15W) | 2% (1.000h at 70C; 0.33W) |
| Environmental Testing (Typical R) - Mechanical Life | 3% (Rn < 1M) (1000 cycles at 10 to 15 cpm) | 2% (1000 cycles at 10 to 15 cpm) |
| Environmental Testing (Typical R) - Temperature Coefficient | 300 ppm/C (Rn < 100K) (-25C; +70C) | 100 ppm/C (-40C; +90C) |
| Environmental Testing (Typical R) - Thermal Cycling | 2.5% (16h at 85C and 2h at -25C) | 2% (16h at 90C and 2h at -40C) |
| Environmental Testing (Typical R) - Damp Heat | 5% (500h at 40C and 95% RH) | 2% (500h at 40C and 95% RH) |
| Environmental Testing (Typical R) - Vibration | 2% (2h each plane at 10Hz - 55Hz) | |
| Environmental Testing (Typical R) - Storage | 2.5% (6 month at 23C 2C and 50% RH) | |
| Packaging | Bulk, Magazines | Bulk, Magazines |
| Detents | Up to 16 | Up to 16 |
2411201520_Amphenol-PT10LH01-254A2020-S_C6359322.pdf
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