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 offer versatility for various engagement mechanisms, including customized shafts, motor controls, or human interface adjustments. These potentiometers are capable of controlling variable outputs such as frequency, motor speed, and volume. They are suitable for a wide range of applications including appliance program selection, thermostat adjustment, timer and control relays, consumer electronics, power tool controls, and test and measurement equipment.
Product Attributes
- Brand: Piher
- Series: PT-15 / PTC-15
- Resistive Element: Carbon (PT-15) or Cermet (PTC-15)
- Substrate: Polyester / Alumina
- Certifications: UL 94V-0 (self-extinguishable plastic available)
- Protection: IP54
- Packaging: Magazine packaging available for automatic insertion
- Origin: Spain (implied by company address)
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 | 125 VDC |
| Nominal power @ 50C (122F) | 0.25 W (Lin) 0.12 W (Log, Alog) | 0.25 W (Lin) 0.12 W (Log, Alog) |
| Nominal power @ 70C (158F) | 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 |
| Mechanical Detents | Up to 38 | Up to 38 |
| Linearity | Up to 3% | Up to 3% |
Environmental Testing (Typical Piher Test Results):
| Test Method | PT-15 R(%) | PTC-15 R(%) |
|---|---|---|
| Electrical life (1.000h at 50C; 0.15W) | 5% | n/a |
| Electrical life (1.000h at 70C; 0.33W) | n/a | 2% |
| Mechanical life (1000 cycles at 10 to 15 cpm) | 3% (Rn < 1M) | 2% |
| Temperature coefficient (25C; +70C) | 300 ppm/C (Rn < 100K) | n/a |
| Temperature coefficient (40C; +90C) | n/a | 100 ppm/C (Rn < 100K) |
| Thermal cycling (16h at 85C / 2h at -25C) | 2.5% | n/a |
| Thermal cycling (16h at 90C / 2h at -40C) | n/a | 2% |
| Damp heat (500h at 40C and 95% RH) | 5% | 2% |
| Vibration (2h each plane at 10Hz - 55Hz) | 2% | 2% |
| Storage (6 month at 23C 2C and 50% RH) | 2.5% | 2% |
Standard Configuration:
| Feature | PT-15 | PTC-15 |
|---|---|---|
| Life | 1,000 cycles | n/a |
| Cut track | No | n/a |
| Detents | None | None |
| Packaging | Bulk | Bulk |
| Shaft/thumb wheel | None | None |
| Non-flammability | No | Yes |
| Housing color | Black | Cream |
| Rotor color | White | Cream |
| Wiper Position | Initial | Initial |
| Torque | 0.5 to 2.5 Ncm | 0.5 to 2.5 Ncm |
| Terminal material | Steel | Brass |
| Linearity | Not controlled | Not controlled |
Switch Versions: Available with or without detents. Standard power rating: 24V / 15mA. ON position resistance: 5. Insulation resistance: 30M. Mechanical rotation angle: 2655.
Cut Tracks: Available for PT-15 (PCI, PCF). Not available for PTC-15.
Tapers: Linear (A), Logarithmic (B), Antilogarithmic (C). Custom tapers available on request.
Detents: Available in various configurations (e.g., PAI, PAF, P1i, P1F, P02-P38). Standard mechanical life for detent versions varies: 1-3 detents up to 10K cycles; 4+ detents up to 5K cycles.
Stepped Outputs / Constant Value Zones: Can be combined with detents for precise electrical output alignment and vibration resistance.
Packaging Options: Bulk, Magazine (35 units), Embossed Tape. Rotor types X, W, Y, Z only in bulk packaging.
Shafts and Thumbwheels: Various hollow and solid shaft models available. Thumbwheels and shafts delivered unassembled unless specified. Custom positions and plastic colors available.
2411220430_Amphenol-PT15LH06-501A2020-S_C5829693.pdf
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