Product Overview
The Piher PT-15 and PTC-15 are 15-mm carbon and cermet through-hole potentiometers designed for applications requiring frequent adjustment. Their shaftless design allows for flexible integration with various engagement mechanisms, including custom shafts, motor controls, or human interface adjustments. These potentiometers are ideal for controlling variable outputs such as frequency, motor speed, or volume. They offer excellent performance with up to 3% linearity, a choice of carbon or cermet resistive elements, and up to 38 mechanical detents for tactile feedback. With a life cycle of up to 100,000 cycles and IP54 protection, they are suitable for demanding environments. Applications include appliance program selection, thermostat adjustment, timer and control relays, consumer electronics, power tool controls, and test and measurement equipment.
Product Attributes
- Brand: Piher
- Resistive Element: Carbon or Cermet
- Substrate: Polyester / Alumina
- Self-extinguishable plastic (UL 94V-0) available
- IP54 protection
- Magazine packaging for automatic insertion available
- Flame retardant
- Extra-long life (up to 100k cycles)
- Up to 38 detents
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 | 20% (100 Rn 1M) 30% (1M < Rn 5M) | 20% (100 Rn 1M) 30% (1M < Rn 5M) |
| Max. Voltage | 250 VDC | 125 VDC |
| Nominal power @ 50C (122F) | Lin: 0.25 W Log, Alog: 0.12 W | Lin: 0.25 W Log, Alog: 0.12 W |
| Nominal power @ 70C (158F) | 0.50 W | 0.25 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 | 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 Testing (Electrical life) | 1.000h at 50C; 0.15W: 5% | n/a |
| Environmental Testing (Mechanical life) | 1000 cycles at 10 to 15 cpm: 3 % (Rn < 1M) | 1000 cycles at 10 to 15 cpm: 2% |
| Environmental Testing (Temperature coefficient) | 25C; +70C: 300 ppm/C (Rn < 100K) | 40C; +90C: 100 ppm/C (Rn < 100K) |
| Environmental Testing (Thermal cycling) | 16h at 85C and 2h at -25C: 2.5% | 16h at 90C and 2h at -40C: 2% |
| Environmental Testing (Damp heat) | 500h at 40C and 95% RH: 5% | 500h at 40C and 95% RH: 2% |
| Environmental Testing (Vibration) | 2h each plane at 10Hz - 55Hz: 2% | 2h each plane at 10Hz - 55Hz: 2% |
| Environmental Testing (Storage) | 6 month at 23C 2C and 50% RH: 2.5% | 6 month at 23C 2C and 50% RH: 2% |
| Standard Configuration Life | 1,000 cycles | n/a |
| Standard Configuration Cut track | no | n/a |
| Standard Configuration Detents | none | none |
| Standard Configuration Packaging | bulk | bulk |
| Standard Configuration Shaft/thumb wheel | none | none |
| Standard Configuration Non-flammability | no | yes |
| Standard Configuration Housing color | black | cream |
| Standard Configuration Rotor color | white | cream |
| Standard Configuration Wiper Position | initial | initial |
| Standard Configuration Torque | 0.5 to 2.5 Ncm | 0.5 to 2.5 Ncm |
| Standard Configuration Terminal material | steel | brass |
| Standard Configuration Linearity | not controlled | not controlled |
2411220430_Amphenol-PT15NV15-225A3030-I-PM-S_C6365301.pdf
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