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 versatile engagement mechanisms, including customized shafts, motor controls, or human interface adjustments. These potentiometers are ideal for controlling variable outputs such as frequency, motor speed, or volume. Key advantages include excellent linearity (up to 3%), up to 38 mechanical detents for tactile feedback, and up to 100,000 life 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
- Flammability: Self-extinguishable plastic (UL 94V-0) available; PTC-15 made of non-flammable material by standard.
- Protection: IP54
- Packaging: Magazine packaging available for automatic insertion.
- 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 | 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) | 0.25 W (Lin) / 0.12 W (Log, Alog) | 0.25 W (Lin) / 0.12 W (Log, Alog) |
| Nominal power at 70C (158F) | 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 (Cycles) | Up to 100k cycles | Up to 10k cycles |
| Detents | Up to 38 | Up to 38 |
| Electrical Life Test (1000h at 50C; 0.15W) R(%) | 5% | n/a |
| Electrical Life Test (1000h at 70C; 0.33W) R(%) | n/a | 2% |
| Mechanical Life Test (1000 cycles at 10 to 15 cpm) R(%) | 3 % (Rn < 1M ) | 2% |
| Temperature Coefficient (25C; +70C) | 300 ppm/C (Rn < 100K) | n/a |
| Temperature Coefficient (40C; +90C) | n/a | 100 ppm/C (Rn < 100K) |
| Thermal Cycling (16h at 85C / 2h at -25C) R(%) | 2.5% | n/a |
| Thermal Cycling (16h at 90C / 2h at -40C) R(%) | n/a | 2% |
| Damp Heat (500h at 40C and 95% RH) R(%) | 5% | 2% |
| Vibration (2h each plane at 10Hz - 55Hz) R(%) | 2% | 2% |
| Storage (6 month at 23C 2C and 50% RH) R(%) | 2.5% | 2% |
| Wiper Position | Initial, 50% or fully clockwise | Initial, 50% or fully clockwise |
2411220430_Amphenol-PT15NH06-253A2020-S_C7030591.pdf
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