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 integration with various engagement mechanisms, including custom shafts, motor controls, or human interface adjustments. These potentiometers are suitable for controlling variable outputs such as frequency, motor speed, or volume. Key features include excellent linearity (up to 3%), up to 38 mechanical detents for tactile feedback, and a life cycle of up to 100,000 cycles. They offer IP54 protection and are available with magazine packaging for automatic insertion. Applications range from appliance program selection and thermostat adjustment to consumer electronics and test 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 (standard for PTC-15)
- Protection: IP54
- Packaging: Magazine packaging, Bulk, Embossed Tape
- Certifications: ISO 14001
Technical Specifications
| Specification | PT-15 (Carbon) | PTC-15 (Cermet) |
|---|---|---|
| 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 @ 50C (122F) | 0.25 W (Lin) | 0.12 W (Log, Alog) |
| Nominal power @ 70C (158F) | 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 100,000 | Up to 10,000 |
| Electrical Life (1.000h at 50C; 0.15W) | 5% R | n/a |
| Electrical Life (1.000h at 70C; 0.33W) | n/a | 2% R |
| Mechanical Life (1000 cycles at 10 to 15 cpm) | 3 % R (Rn < 1M) | 2% R |
| 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 and 2h at -25C) | 2.5% R | n/a |
| Thermal Cycling (16h at 90C and 2h at -40C) | n/a | 2% R |
| Damp Heat (500h at 40C and 95% RH) | 5% R | 2% R |
| Vibration (2h each plane at 10Hz - 55Hz) | 2% R | 2% R |
| Storage (6 month at 23C 2C and 50% RH) | 2.5% R | 2% R |
| Wiper Position | Initial, 50%, Final (Clockwise) | Initial, 50%, Final (Clockwise) |
| Detents | Up to 38 | Up to 38 |
| Mounting Methods | Horizontal/Vertical Adjust | Horizontal/Vertical Adjust |
| Terminal Material | Steel | Brass |
2411220430_Amphenol-PTC15GV02-103A2020_C6738259.pdf
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