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 suitable for controlling variable outputs such as frequency, motor speed, and volume. They offer excellent performance with up to 3% linearity, up to 38 mechanical detents for tactile feedback, and up to 100,000 life cycles. With IP54 protection and available magazine packaging for automatic insertion, they are ideal for 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 for automatic insertion available
- Certifications: ISO 14001
- Origin: Spain (Piher Sensing Systems)
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 | Lin: 100 Rn 5M Log, Alog: 1K Rn 5M (Decad. 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0) |
| Tolerance | 100 Rn 1M: 20% 1M < Rn 5M: 30% | 100 Rn 1M: 20% 1M < Rn 5M: 30% |
| 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 (up to 85C depending on application) | -40C to +90C (+120C upon request) |
| Mechanical Rotation Angle | 265 5 (240 5 available on request) | 265 5 (240 5 available on 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 100,000 cycles | Up to 10,000 cycles |
| Electrical Life (Test) | 1,000h at 50C; 0.15W: 5% R | 1,000h at 70C; 0.33W: 2% R |
| Mechanical Life (Test) | 1000 cycles at 10 to 15 cpm: 3% R (Rn < 1M) | 1000 cycles at 10 to 15 cpm: 2% R |
| Temperature Coefficient | -25C to +70C: 300 ppm/C (Rn < 100K) | -40C to +90C: 100 ppm/C (Rn < 100K) |
| Thermal Cycling (Test) | 16h at 85C and 2h at -25C: 2.5% R | 16h at 90C and 2h at -40C: 2% R |
| Damp Heat (Test) | 500h at 40C and 95% RH: 5% R | 500h at 40C and 95% RH: 2% R |
| Vibration (Test) | 2h each plane at 10Hz - 55Hz: 2% R | 2h each plane at 10Hz - 55Hz: 2% R |
| Storage (Test) | 6 months at 23C 2C and 50% RH: 2.5% R | 6 months at 23C 2C and 50% RH: 2% R |
| Standard Configuration Life | 1,000 cycles | n/a |
| Standard Configuration Cut Track | No | n/a |
| Standard Configuration Detents | None | None |
| Standard Configuration Packaging | Bulk | Bulk |
| Standard Configuration Shaft/Thumbwheel | None | None |
| Standard Configuration Non-flammability | No | Yes |
| Standard Configuration Housing Color | Black | Cream |
| Standard Configuration Rotor Color | White | Cream |
| Standard Configuration Wiper Position | Initial | Initial |
| Standard Configuration Torque | 0.5 to 2.5 Ncm | 0.5 to 2.5 Ncm |
| Standard Configuration Terminal Material | Steel | Brass |
| Standard Configuration Linearity | Not controlled | Not controlled |
2411220430_Amphenol-PT15LV18-203A2020-S_C6738058.pdf
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