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 facilitates integration with various engagement mechanisms, including custom shafts, motor controls, and human interface adjustments. These potentiometers are suitable for controlling variable outputs such as frequency, motor speed, and volume. Key advantages include excellent linearity (up to 3%), a robust life cycle of up to 100,000 cycles, and IP54 protection. They are widely used in 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 (PT-15) / Cermet (PTC-15)
- Substrate: Polyester (PT-15) / Alumina (PTC-15)
- Flammability: Self-extinguishable plastic (UL 94V-0) available; PTC-15 is non-flammable by standard.
- Protection: IP54
- Packaging: Magazine packaging for automatic insertion available
- Certifications: ISO 14001
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 |
| 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 @ 50C | 0.25 W (Lin) 0.12 W (Log, Alog) | 0.25 W (Lin) 0.12 W (Log, Alog) |
| Nominal Power @ 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 |
| 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 |
| 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) R | 3% (Rn < 1M) | 2% |
| Temperature Coefficient | 300 ppm/C (Rn < 100K) | 100 ppm/C (Rn < 100K) |
| Thermal Cycling Test R | 2.5% | 2% |
| Damp Heat Test R | 5% | 2% |
| Vibration Test R | 2% | 2% |
| Storage Test R | 2.5% | 2% |
| Standard Configuration Life | 1,000 cycles | 1,000 cycles |
| 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-PT15NV02-251A2020-S_C5710580.pdf
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