Product Overview
The Piher PT-10 and PTC-10 are 10-mm carbon/cermet through-hole potentiometers designed for applications requiring frequent adjustment. These shaftless potentiometers offer versatile engagement mechanisms, including customized shafts, motor control, or human interface adjustments. They are suitable for controlling variable outputs such as frequency, motor speed, or volume. Key features include excellent linearity (up to 3%), carbon or cermet resistive elements, up to 16 mechanical detents for tactile feedback, and up to 100,000 life cycles. The series offers IP54 protection and is 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
- Series: PT-10 / PTC-10
- Resistive Element: Carbon or Cermet
- Mounting Type: Through-hole
- Protection: IP54
- Flammability: Self-extinguishable plastic (UL 94V-0) available
- Certifications: ISO 14001 (Piher Sensing Systems)
Technical Specifications
| Specification | PT-10 (Carbon) | PTC-10 (Cermet) |
|---|---|---|
| Taper | Lin, Log, Alog | Lin, Log, Alog |
| Range of values | 100 Rn 5M (Lin) | 1K Rn 5M (Log, Alog) |
| Tolerance (100 Rn 1M) | 20% | N/A |
| Tolerance (1M < Rn 5M) | 30% | N/A |
| Max. Voltage (Lin) | 200 VDC | N/A |
| Max. Voltage (Log, Alog) | 100 VDC | 100 VDC |
| Nominal power at 50C (122F) (Lin) | 0.15 W | N/A |
| Nominal power at 70C (158F) (Lin) | 0.33 W | N/A |
| Nominal power at 50C (122F) (Log, Alog) | 0.07 W | 0.07 W |
| Nominal power at 70C (158F) (Log, Alog) | 0.17 W | 0.17 W |
| Residual resistance | 0.5% Rn (5 min.) | 0.5% Rn (5 min.) |
| Equivalent noise resistance | 3% Rn (3 min.) | 3% Rn (3 min.) |
| Operating temperature | -25C to +70C | -40C to +90C |
| Mechanical rotation angle | 235 5 | 235 5 |
| Electrical rotation angle | 220 20 | 220 20 |
| Torque | 0.4 to 2 Ncm (0.6 to 2.7 in-oz) | 0.4 to 2 Ncm (0.6 to 2.7 in-oz) |
| Rotational Stop | > 5 Ncm (>7 in-oz) | > 5 Ncm (>7 in-oz) |
| Push-pull force over the rotor | > 49N | > 49N |
| Life (Standard) | Up to 100k cycles | Up to 10k cycles |
| Electrical Life Test (1000h at 50C; 0.15W) | 5% R | N/A |
| Electrical Life Test (1000h at 70C; 0.33W) | N/A | 2% R |
| Mechanical Life Test (1000 cycles at 10 to 15 cpm) | 3 % R (Rn < 1M) | 2% R |
| Temperature Coefficient | 300 ppm/C (Rn < 100K) | 100 ppm/C |
| Thermal Cycling Test (16h at 85C / 2h at -25C) | 2.5% R | N/A |
| Thermal Cycling Test (16h at 90C / 2h at -40C) | N/A | 2% R |
| Damp Heat Test (500h at 40C and 95% RH) | 5% R | 2% R |
| Vibration Test (2h each plane at 10Hz - 55Hz) | 2% R | 2% R |
| Storage (6 months at 23C 2C and 50% RH) | 2.5% R | 2% R |
2410010331_Amphenol-PT10LH01-106A2020_C6256191.pdf
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