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 customized shafts, motor controls, and human interface adjustments. These potentiometers are ideal for controlling variable outputs such as frequency, motor speed, and volume. Key advantages include excellent linearity (up to 3%), up to 38 mechanical detents for tactile feedback, and an extended life of up to 100,000 cycles. They also feature 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 is non-flammable by standard.
- Protection: IP54
- Packaging: Magazine packaging available for automatic insertion.
- Certifications: ISO 14001
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 | Lin: 100 Rn 5M Log, Alog: 1K Rn 5M | Decad. 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0 for Log/Alog |
| Tolerance | 20% (100 Rn 1M) 30% (1M < Rn 5M) | 20% (100 Rn 1M) 30% (1M < Rn 5M) | Custom tolerance available on request |
| Max. Voltage | 250 VDC (Lin) 125 VDC (Log, Alog) | 250 VDC (Lin) 125 VDC (Log, Alog) | |
| Nominal power at 50C | 0.25 W (Lin) 0.12 W (Log, Alog) | 0.25 W (Lin) 0.12 W (Log, Alog) | |
| Nominal power at 70C | 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 | PT-15 up to 85C depending on application; PTC-15 up to +120C upon request |
| Mechanical rotation angle | 265 5 | 265 5 | 240 5 available upon request |
| 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 | PT-15: 'U' option for 100K cycles; 'E' for 10K cycles; default is 1K cycles. PTC-15: 'E' option for 10K cycles; default is 1K cycles. |
| Detents | Up to 38 | Up to 38 | |
| Wiper position | Initial, 50% or fully clockwise | Initial, 50% or fully clockwise | |
| Switch | SPDT available | SPDT available | |
| Low torque version | Available | Available | Detent option not available with low torque models. |
| Electrical life (1000h at 50C; 0.15W) | 5% R | n/a | Piher typical test results |
| Electrical life (1000h at 70C; 0.33W) | n/a | 2% R | Piher typical test results |
| Mechanical life (1000 cycles at 10 to 15 cpm) | 3% R (Rn < 1M) | 2% R | Piher typical test results |
| Temperature coefficient (25C to +70C) | 300 ppm/C (Rn < 100K) | n/a | Piher typical test results |
| Temperature coefficient (40C to +90C) | n/a | 100 ppm/C (Rn < 100K) | Piher typical test results |
| Thermal cycling (16h at 85C / 2h at -25C) | 2.5% R | n/a | Piher typical test results |
| Thermal cycling (16h at 90C / 2h at -40C) | n/a | 2% R | Piher typical test results |
| Damp heat (500h at 40C and 95% RH) | 5% R | 2% R | Piher typical test results |
| Vibration (2h each plane at 10Hz - 55Hz) | 2% R | 2% R | Piher typical test results |
| Storage (6 months at 23C 2C and 50% RH) | 2.5% R | 2% R | Piher typical test results |
| Standard Test Conditions | Temperature: 23C 2C and 45% to 70% RH | Temperature: 23C 2C and 45% to 70% RH | Out of range values may not comply with these results. |
2411220430_Amphenol-PT15LH05-253A2020-S_C5848506.pdf
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