Product Overview
The Piher PT-15 and PTC-15 are 15-mm through-hole potentiometers designed for applications requiring frequent adjustment. Their shaftless design allows for versatile engagement mechanisms, including customized shafts, motor controls, or human interface adjustments. These potentiometers are suitable for controlling 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 38 mechanical detents for tactile feedback, and an extended 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-15 / PTC-15
- Resistive Element: Carbon or Cermet
- Substrate: Polyester / Alumina
- Flame Retardant: Available (UL 94V-0)
- Protection: IP54
- Packaging: Magazine packaging available
- Origin: Spain (implied by contact information)
Technical Specifications
| Specification | PT-15 | PTC-15 |
|---|---|---|
| Taper | Lin, Log, Alog | Lin, Log, Alog |
| Range of values | Lin: 100 Rn 5M Log, Alog: 1K Rn 5M | Lin: 100 Rn 5M Log, Alog: 1K Rn 5M |
| Tolerance (100 Rn 1M) | 20% | 20% |
| Tolerance (1M < Rn 5M) | 30% | 30% |
| Max. Voltage | 250 VDC (Lin) 125 VDC (Log, Alog) | 250 VDC (Lin) 125 VDC (Log, Alog) |
| Nominal power at 50C | 0.25 W (Lin) 0.12 W (Log, Alog) | 0.25 W (Lin) 0.12 W (Log, Alog) |
| Nominal power at 70C | 0.50 W (Lin) 0.25 W (Log, Alog) | 0.50 W (Lin) 0.25 W (Log, Alog) |
| 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 | 265 5 | 265 5 |
| Electrical rotation angle | 240 20 | 240 20 |
| Torque | 0.5 to 2.5 Ncm (0.7 to 3.4 in-oz) | 0.5 to 2.5 Ncm (0.7 to 3.4 in-oz) |
| Rotational Stop | > 10 Ncm (>14 in-oz) | > 10 Ncm (>14 in-oz) |
| Life | Up to 100k cycles | Up to 10k cycles |
| Environmental - Electrical life (1000h at 50C; 0.15W) | 5% R | n/a |
| Environmental - Electrical life (1000h at 70C; 0.33W) | n/a | 2% R |
| Environmental - Mechanical life (1000 cycles) | 3% R (Rn < 1M ) | 2% R |
| Environmental - Temperature coefficient (25C; +70C) | 300 ppm/C (Rn < 100K) | n/a |
| Environmental - Temperature coefficient (40C; +90C) | n/a | 100 ppm/C (Rn < 100K) |
| Environmental - Thermal cycling (16h at 85C / 2h at -25C) | 2.5% R | n/a |
| Environmental - Thermal cycling (16h at 90C / 2h at -40C) | n/a | 2% R |
| Environmental - Damp heat (500h at 40C and 95% RH) | 5% R | 2% R |
| Environmental - Vibration (2h each plane at 10Hz - 55Hz) | 2% R | 2% R |
| Environmental - Storage (6 month at 23C 2C and 50% RH) | 2.5% R | 2% R |
2411220430_Amphenol-PT15LV18-252A2020-S_C7262361.pdf
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