Product Overview
The Piher PT-15 and PTC-15 are 15mm through-hole potentiometers designed for applications requiring frequent adjustment. Featuring a shaftless design, they accommodate various engagement mechanisms like custom shafts, motor controls, or human interface adjustments. These potentiometers are suitable for controlling variable outputs such as frequency, motor speed, or volume. Key advantages 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
- Certifications: UL 94V-0 (self-extinguishable plastic available)
- Ingress Protection: IP54
- Packaging Options: Magazine, Bulk, Embossed Tape
Technical Specifications
| Specification | PT-15 | PTC-15 | Notes |
|---|---|---|---|
| Taper | Lin, Log, Alog | Lin, Log, Alog | Others available on request |
| 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 | 20% (100 Rn 1M) 30% (1M < Rn 5M) | 20% (100 Rn 1M) 30% (1M < Rn 5M) | |
| Max. Voltage | 250 VDC (Lin) 125 VDC (Log, Alog) | 250 VDC (Lin) 125 VDC (Log, Alog) | |
| 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.) | ||
| Equivalent noise resistance | < 3% Rn (3 min.) | ||
| Operating temperature | -25C to +70C | -40C to +90C | PT-15: Up to 85C depending on application. PTC-15: +120C/+248F upon request. |
| Mechanical rotation angle | 265 5 | 240 5 available upon request. | |
| Electrical rotation angle | 240 20 | ||
| Torque | 0.5 to 2.5 Ncm (0.7 to 3.4 in-oz) | ||
| Rotational Stop | > 10 Ncm (>14 in-oz) | ||
| Life | Up to 100k cycles | Up to 10k cycles | PT-15: 100k cycles (U code). PTC-15: 10k cycles (E code). |
| Environmental Testing (R(%)) - Electrical life (1000h) | n/a | 2% (at 70C; 0.33W) | PT-15: 5% (at 50C; 0.15W) |
| Environmental Testing (R(%)) - Mechanical life (1000 cycles) | 3% (Rn < 1M) | 2% | at 10 to 15 cpm |
| Environmental Testing (R(%)) - Temperature coefficient | 300 ppm/C (Rn < 100K) | 100 ppm/C (Rn < 100K) | PT-15: -25C to +70C. PTC-15: -40C to +90C. |
| Environmental Testing (R(%)) - Thermal cycling | n/a | 2% | PTC-15: 16h at 90C and 2h at -40C. PT-15: 2.5% (16h at 85C and 2h at -25C). |
| Environmental Testing (R(%)) - Damp heat (500h at 40C, 95% RH) | 5% | 2% | |
| Environmental Testing (R(%)) - Vibration (2h each plane at 10Hz - 55Hz) | 2% | ||
| Environmental Testing (R(%)) - Storage (6 month at 23C 2C, 50% RH) | 2.5% | 2% | |
| Detents | Up to 38 | Up to 38 | |
| Switch | SPDT available | SPDT available | |
| Wiper Position | Initial, 50%, Fully Clockwise | Initial, 50%, Fully Clockwise | |
| Mounting Methods | Horizontal adjust / Vertical mounting (H01-H25), Vertical adjust / Horizontal mounting (V02-V25) | See detailed diagrams for specific dimensions. | |
| Terminal Material | Steel (Standard) | Brass (V24 terminals) | |
2411220430_Amphenol-PT15NH06-103A2020-S_C7329122.pdf
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