Product Overview
The Piher PT-15 and PTC-15 are 15-mm through-hole potentiometers designed for applications requiring frequent adjustment. Featuring a shaftless design, they offer versatility for various engagement mechanisms, including customized shafts, motor controls, and human interface adjustments. These potentiometers are suitable for controlling variable outputs such as frequency, motor speed, and volume. They are available with carbon or cermet resistive elements, offering excellent performance with up to 3% linearity and up to 38 mechanical detents for tactile feedback. With up to 100,000 life cycles and IP54 protection, they are ideal for demanding applications.
Key Applications: 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-15 / PTC-15
- Resistive Element: Carbon or Cermet
- Substrate: Polyester / Alumina
- Flammability: Self-extinguishable plastic (UL 94V-0) available; PTC-15 is non-flammable by standard.
- Protection: IP54
- Packaging: Magazine packaging for automatic insertion available.
- Origin: Spain (implied by address)
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 | Log, Alog (Decad. 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0): 1K Rn 5M |
| Tolerance (100 Rn 1M) | 20% | n/a |
| Tolerance (1M < Rn 5M) | 30% | n/a |
| Max. Voltage | 250 VDC | 125 VDC |
| Nominal power at 50C (122F) | Lin: 0.25 W Log, Alog: 0.12 W | Lin: 0.25 W Log, Alog: 0.12 W |
| Nominal power at 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 |
| Detents | Up to 38 | Up to 38 |
| SPDT switch version | Available | Available |
| Low torque version | Available | Available |
| Wiper position | Initial, 50%, or fully clockwise | Initial, 50%, or fully clockwise |
| Environmental Testing (Typical R %) - Electrical life (1000h at 50C; 0.15W) | 5% | n/a |
| Environmental Testing (Typical R %) - Electrical life (1000h at 70C; 0.33W) | n/a | 2% |
| Environmental Testing (Typical R %) - Mechanical life (1000 cycles) | 3% (Rn < 1M) | 2% |
| Environmental Testing (Typical R %) - Temperature coefficient (25C; +70C) | 300 ppm/C (Rn < 100K) | n/a |
| Environmental Testing (Typical R %) - Temperature coefficient (40C; +90C) | n/a | 100 ppm/C (Rn < 100K) |
| Environmental Testing (Typical R %) - Thermal cycling | 2.5% | 2% |
| Environmental Testing (Typical R %) - Damp heat (500h at 40C and 95% RH) | 5% | 2% |
| Environmental Testing (Typical R %) - Vibration (2h each plane at 10Hz - 55Hz) | 2% | 2% |
| Environmental Testing (Typical R %) - Storage (6 month at 23C 2C and 50% RH) | 2.5% | 2% |
2411220430_Amphenol-PT15NH05-473A2020-I-PM-S_C7262368.pdf
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