Series R
Precision Series R - 3/4' Watt 1/4” shaft diameter
Description:
Precision series R potentiometers are suitable for commercial applications.
Features:
- Hot molded carbon element
- Board washable
- Gold-plated terminals
- Stainless-steel shaft
- Quality meeting or exceeding MIL-R-94
Options:
- Special tapers
- Fourth terminal
- Customer specified marking
Product specification
Electrical Specifications
Resistance tolerance
±10% or ±20%
Power rating:
0.5 watts at 70°C derated to 0 watts at 120°C
Insulation resistance:
Dry: 10K Meg Ω
Wet: 100K Meg Ω
Dielectric strength:
900 V RMS at sea level
Operating voltage:
350 V, subject to power rating
Mechanical Specification
Mechanical rotation:
300°
Operating torque:
1 oz/in to 6 oz/in
Rotational life:
25,000 cycles standard optional up to 500,000
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
