Product Overview
The Piher PT-15 and PTC-15 are 15-mm through-hole potentiometers designed for applications requiring frequent adjustments. Featuring a shaftless design, they accommodate various engagement mechanisms like custom shafts, motor controls, or human interface adjustments. These potentiometers are ideal for controlling variable outputs such as frequency, motor speed, or volume. They offer excellent performance with up to 3% linearity, a choice of carbon or cermet resistive elements, and up to 38 mechanical detents for tactile feedback. With a life cycle of up to 100,000 cycles and IP54 protection, they are suitable for demanding applications.
Product Attributes
- Brand: Piher
- Product Series: PT-15 / PTC-15
- Resistive Element: Carbon or Cermet
- Mounting: Through-hole
- Certifications: UL 94V-0 (self-extinguishable plastic available)
- Protection: IP54
- Packaging: Magazine packaging available for automatic insertion
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 (100 Rn 1M) | 20% | 20% |
| Tolerance (1M < Rn 5M) | 30% | 30% |
| Max. Voltage | 250 VDC (Lin) / 125 VDC (Log, Alog) | 250 VDC (Lin) / 125 VDC (Log, Alog) |
| Nominal power at 50C (122F) | 0.25 W (Lin) / 0.12 W (Log, Alog) | 0.25 W (Lin) / 0.12 W (Log, Alog) |
| Nominal power at 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 | Up to 100k cycles | Up to 10k cycles |
| Detents | Up to 38 | Up to 38 |
| Substrate | Polyester / Alumina | Polyester / Alumina |
| Flammability | Self extinguishable plastic (UL 94V-0) available | Non-flammable by standard |
| Switch version | SPDT switch available | SPDT switch available |
| Low torque version | Available | Available |
Applications
- Appliance program selection
- Thermostat adjustment
- Timer and control relays
- Consumer electronics
- Power tool controls
- Test and measurement equipment
Environmental Testing (Typical Piher 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 and 2h at -25C) | 2.5% | n/a |
| Thermal cycling (16h at 90C and 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% |
Mounting Methods
Horizontal adjust / vertical mounting: H01, H02, H05, H06, H10, H15, H25
Vertical adjust / horizontal mounting: V02, V12, V15, V17, V18, V20, V21, V22, V23, V24, V25
Available Packaging Options
| Mounting Type | Terminal Style | Mounting Method | Bulk | Magazine (35 units) | Embossed Tape |
|---|---|---|---|---|---|
| Horizontal adjust | Straight | H01 | x | x | |
| H05 | x | x | |||
| H06 | x | x | |||
| H25 | x | x | |||
| Crimped | H02 | x | x | ||
| H10 | x | x | |||
| Vertical adjust | Straight | V02 | x | x | x |
| V12 | x | x | |||
| V15 | x | x | x | ||
| V17 | Upon request | ||||
| V18 | x | ||||
| V20 | x | ||||
| V24 | x | ||||
| Crimped | V21 | x | x | x | |
| V22 | x | ||||
| V23 | x | x | x | ||
| V25 | Upon request |
Rotor Type X, W, Y, Z only in bulk packaging.
2411220430_Amphenol-PT15NH01-103A2020-S_C6256267.pdf
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