Precision Series P and PR

Precision Series P - 1/2” Watt-trimmer


Precision series P and PR potentiometers are suitable for commercial applications.


  • Hot molded carbon element
  • Board washable
  • Gold-plated terminals
  • Stainless-steel shaft and housing
  • Pin terminals or solder lugs


  • Special tapers
  • Customer specified marking

Product specification

Electrical Specifications

Resistance tolerance:
±10% or ±20%
Power rating:
0.5 watt at 70°C derated to 0 watts at 120°C
Insulation resistance:
10K Meg Ω
100K Meg Ω
Dielectric strength:
900 V RMS at sea level
Operating voltage
350 V, subject to power rating

Mechanical Specification

Mechanical rotation:
Operating torque:
0.5 oz/in to 6 oz/in
Rotational life:
25,000 cycles

Environmental specification

Operating temperature:
-65°C to +125°C
Resistance to soldering heat:
350°C for 5 seconds
Humidity range
per MIL-R-94
Vibration range
per MIL-R-94
Shock resistance
per MIL-R-94
Load life
1000 hours at 70°C

Additional information

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