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%), carbon or cermet resistive elements, up to 16 mechanical detents for tactile feedback, and up to 100,000 life cycles. They also offer IP54 protection and are available with magazine packaging for automatic insertion. Applications include 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 Rating: IP54
- Flammability: Self-extinguishable plastic (UL 94V-0) available (standard for PTC-10)
- Substrate Material: Polyester / Alumina
Technical Specifications
| Specification | PT-10 | PTC-10 |
|---|---|---|
| Taper | Lin, Log, Alog | Log, Alog |
| Range of Values | 100 Rn 5M (Lin) | 1K Rn 5M (Log, Alog) |
| Value Range (Decad.) | N/A | 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0 |
| Tolerance (1M) | 20% | N/A |
| Tolerance (>1M 5M) | 30% | N/A |
| Max. Voltage | 200 VDC (Lin) | 100 VDC (Log, Alog) |
| Nominal Power @ 50C (122F) | 0.15 W (Lin) | 0.07 W (Log, Alog) |
| Nominal Power @ 70C (158F) | 0.33 W (Lin) | 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 | -40C to +90C |
| 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 |
| Electrical Life (1000h @ 50C, 0.15W) | R 5% | N/A |
| Electrical Life (1000h @ 70C, 0.33W) | N/A | R 2% |
| Mechanical Life (1000 cycles) | R 3% (Rn < 1M) | R 2% |
| Temperature Coefficient | 300 ppm/C (Rn < 100K) | 100 ppm/C |
| Thermal Cycling (-25C to +70C) | R 2.5% | N/A |
| Thermal Cycling (-40C to +90C) | N/A | R 2% |
| Damp Heat (500h @ 40C, 95% RH) | R 5% | R 2% |
| Vibration (2h each plane @ 10Hz - 55Hz) | R 2% | R 2% |
| Storage (6 months @ 23C 2C, 50% RH) | R 2.5% | R 2% |
2410010331_Amphenol-PT10LH01-505A2020_C7262286.pdf
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