Panel Potentiometer Model P270 / P271 / P272 / P278
The TT Electronics P270/P271/P272/P278 series is a 27.8mm diameter conductive plastic potentiometer designed for heavy-duty and long-life applications. These potentiometers offer a robust solution for demanding environments, featuring a 1,000,000 cycle life and available in sealed units for enhanced durability. Ideal for machine controls, welding equipment, and foot pedal controls, they provide reliable performance and precise operation.
Product Attributes
- Brand: TT Electronics
- Part Family: P270 / P271 / P272 / P278
- Material: Conductive Plastic element
- Certifications: Meets MIL-PRF-94 requirements
Technical Specifications
| Model | Description | Resistance Range | Standard Resistance Tolerance | Residual Resistance | Rated Power | Operating Temperature | IP Rating | Rotational Life |
| P270 | Solder Lugs, Single Gang | 200 ohms-1MEG (for B taper) 1K-1MEG (for other tapers) | 1K to 1 MEG: 10% <500 ohms: 20% | 6 ohms max. | 2.0 Watts @70C for B Taper 1.0 Watt for other tapers | -55C to +120C | Dust proof: IP50 Sealed: IP64 | 1,000,000 Cycles (10% R) |
| P271 | Solder Lugs, with Center Tap | 200 ohms-1MEG (for B taper) 1K-1MEG (for other tapers) | 1K to 1 MEG: 10% <500 ohms: 20% | 6 ohms max. | 2.0 Watts @70C for B Taper 1.0 Watt for other tapers | -55C to +120C | Dust proof: IP50 Sealed: IP64 | 1,000,000 Cycles (10% R) |
| P272 | Solder Lugs, Dual Gang | 200 ohms-1MEG (for B taper) 1K-1MEG (for other tapers) | 1K to 1 MEG: 10% <500 ohms: 20% | 6 ohms max. | 2.0 Watts @70C for B Taper 1.0 Watt for other tapers | -55C to +120C | Dust proof: IP50 Sealed: IP64 | 1,000,000 Cycles (10% R) |
| P278 | Solder lugs, Single Gang for heavy side load applications | 200 ohms-1MEG (for B taper) 1K-1MEG (for other tapers) | 1K to 1 MEG: 10% <500 ohms: 20% | 6 ohms max. | 2.0 Watts @70C for B Taper 1.0 Watt for other tapers | -55C to +120C | Dust proof: IP50 Sealed: IP64 | 1,000,000 Cycles (10% R) |
2411220604_TT-Electronics-P270-SS22R10K_C19404208.pdf
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