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 allows for versatile 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; PTC-10 made of non-flammable material by standard.
- Packaging: Magazine packaging for automatic insertion available; Embossed tape packaging on request.
- Substrate: Polyester / Alumina
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 | 1K Rn 5M |
| Tolerance | 100 Rn 1M: 20%; 1M < Rn 5M: 30% | 100 Rn 1M: 20%; 1M < Rn 5M: 30% |
| Max. Voltage | Linear: 200 VDC; Log/Alog: 100 VDC | Linear: 200 VDC; Log/Alog: 100 VDC |
| Nominal power @ 50C (122F) | Linear: 0.15 W; Log/Alog: 0.07 W | Linear: 0.33 W; Log/Alog: 0.17 W |
| Nominal power @ 70C (158F) | Linear: 0.33 W; Log/Alog: 0.17 W | Linear: 0.33 W; Log/Alog: 0.17 W |
| 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 | Up to 100k cycles | Up to 10k cycles |
| Detents | Up to 16 | Up to 16 |
| Wiper Position | Initial, 50%, or fully clockwise | Initial, 50%, or fully clockwise |
| Switch Option | SPDT switch available | SPDT switch available |
| Low Torque Version | Available | Available |
| Environmental Testing (Typical R%) - Electrical Life (1000h at 50C; 0.15W) | 5% | n/a |
| Environmental Testing (Typical R%) - Electrical Life (1000h at 70C; 0.33W) | n/a | 2% |
| Environmental Testing (Typical R%) - Mechanical Life (1000 cycles) | 3% (Rn < 1M) | 2% |
| Environmental Testing (Typical R%) - Temperature Coefficient (-25C; +70C) | 300 ppm/C (Rn < 100K) | n/a |
| Environmental Testing (Typical R%) - Temperature Coefficient (-40C; +90C) | n/a | 100 ppm/C |
| Environmental Testing (Typical R%) - Thermal Cycling | 2.5% | 2% |
| Environmental Testing (Typical R%) - Damp Heat (500h at 40C, 95% RH) | 5% | 2% |
| Environmental Testing (Typical R%) - Vibration (2h each plane at 10Hz - 55Hz) | 2% | 2% |
| Environmental Testing (Typical R%) - Storage (6 months at 23C 2C, 50% RH) | 2.5% | 2% |
Others available on request.
Up to 85C depending on application.
+120C/+248F upon request.
2410010331_Amphenol-PT10LV10-254A2020_C5829593.pdf
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