Product Overview
The Piher PT-15 and PTC-15 are 15-mm through-hole potentiometers designed for applications requiring frequent adjustment. Featuring a shaftless design, they accommodate various engagement mechanisms like customized shafts, motor controls, or human interface adjustments. These potentiometers are suitable for controlling variable outputs such as frequency, motor speed, or volume. They offer excellent performance with up to 3% linearity, carbon or cermet resistive elements, and up to 38 mechanical detents for tactile feedback. With a lifespan of up to 100,000 cycles and IP54 protection, 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
- Certifications: UL 94V-0 (Self-extinguishable plastic available)
- Ingress Protection: IP54
- Packaging Options: Magazine packaging for automatic insertion, Bulk, Embossed Tape
- Origin: Spain (implied by address)
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 | Lin: 100 Rn 5M; Log, Alog: 1K Rn 5M |
| 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 @ 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 100k cycles | Up to 10k cycles |
| Detents | Up to 38 | Up to 38 |
| Electrical Life (Test) | 1,000h at 50C; 0.15W: 5% R | n/a |
| Mechanical Life (Test) | 1000 cycles at 10 to 15 cpm: 3 % (Rn < 1M) | n/a |
| 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 | n/a |
| Damp Heat (Test) | 500h at 40C and 95% RH: 5% R | n/a |
| 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 |
Note: Out of range values may not comply with test results. Standard test conditions: temperature: 23C 2C and 45% to 70% RH.
Switch Versions: Available with or without detents. Power rating: 24V / 15mA. ON position resistance: 5. Insulation resistance: 30M. Mechanical rotation angle: 2655.
Cut Tracks: Available for PT-15, not available for PTC-15.
Tapers: Linear (A), Logarithmic (B), Antilogarithmic (C). Custom tapers available on request.
Detents: Various configurations available (e.g., PAI, PAM, PAF, P1i, P1F, P02...P38). Standard mechanical life is 500 cycles. Long life versions available upon request.
Stepped Outputs / Constant Value Zones: Improved repeatability with constant value zones combined with mechanical detents.
Packaging: Bulk, Magazine (35 units), Embossed Tape.
Shafts and Thumbwheels: Various types and lengths available. Can be delivered assembled or unassembled. Non-flammable plastic options available.
2411220430_Amphenol-PT15NH05-473A2020-PM-S_C6629717.pdf
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