Product Overview
The Piher PT-10 and PTC-10 are 10-mm carbon and cermet through-hole potentiometers designed for applications requiring frequent adjustment. Their shaftless design offers flexibility for various engagement mechanisms, including custom shafts, motor controls, or human interface adjustments. These potentiometers are suitable for controlling variable outputs such as frequency, motor speed, and volume. Key features include excellent linearity (up to 3%), a choice of carbon or cermet resistive elements, up to 16 mechanical detents for tactile feedback, and up to 100,000 life 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-10 / PTC-10
- Resistive Element: Carbon or Cermet
- Mounting Type: Through-hole
- Protection: IP54
- Flammability: Self-extinguishable plastic (UL 94V-0) available
- Certifications: ISO 14001
Technical Specifications
| Specification | PT-10 (Carbon) | PTC-10 (Cermet) |
|---|---|---|
| Taper | Linear, Logarithmic, Antilogarithmic | Logarithmic, Antilogarithmic (Decad. 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0) |
| Range of Values | 100 Rn 5M (Linear) | 1K Rn 5M (Log, Alog) |
| Tolerance | 20% (100 Rn 1M) 30% (1M < Rn 5M) | 20% (100 Rn 1M) 30% (1M < Rn 5M) |
| Max. Voltage | 200 VDC (Linear) 100 VDC (Log, Alog) | 200 VDC (Linear) 100 VDC (Log, Alog) |
| Nominal Power at 50C (122F) | 0.15 W (Linear) | 0.07 W (Log, Alog) |
| Nominal Power at 70C (158F) | 0.33 W (Linear) | 0.17 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 (-13F to +158F) | -40C to +90C (-40F to +194F) |
| Mechanical Rotation Angle | 235 5 | 235 5 |
| Electrical Rotation Angle | 220 20 | 220 20 |
| Torque | 0.4 to 2 Ncm (0.6 to 2.7 in-oz) | 0.4 to 2 Ncm (0.6 to 2.7 in-oz) |
| Rotational Stop | > 5 Ncm (>7 in-oz) | > 5 Ncm (>7 in-oz) |
| Push-pull force over the rotor | > 49N | > 49N |
| Life Cycles | Up to 100k cycles | Up to 10k cycles |
| Detents | Up to 16 | Up to 16 |
| Packaging | Magazine packaging for automatic insertion available | Magazine packaging for automatic insertion available |
Environmental Testing (Typical Delta R %):
| Test Method (CEI 393-1) | PT-10 | PTC-10 |
|---|---|---|
| Electrical life (1,000h at 50C; 0.15W / 1,000h at 70C; 0.33W) | 5% | n/a |
| Mechanical life (1000 cycles at 10 to 15 cpm) | 3% (Rn < 1M) | 2% |
| Temperature coefficient (25C; +70C / 40C; +90C) | 300 ppm/C (Rn < 100K) | 100 ppm/C |
| Thermal cycling (16h at 85C and 2h at -25C / 16h at 90C and 2h at -40C) | 2.5% | n/a |
| Damp heat (500h at 40C and 95% RH) | 5% | 2% |
| Vibration (2h each plane at 10Hz - 55Hz) | 2% | 2% |
| Storage (6 months at 23C 2C and 50% RH) | 2.5% | 2% |
Standard test conditions: temperature: 23C 2C and 45% to 70% RH. Out of range values may not comply with these results.
2410010331_Amphenol-PT10LH01-253B2020_C6359319.pdf
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