Designing Technology into Solutions
 

3U

3U, Thumbwheel

Typical Applications

  • Computer peripherals
  • Test equipment
  • Instrumentation

Specifications

  1. CONTACT RATING:
  2. CARRY: 1 AMP continuous.
  3. SWITCH: 0.4 VA max., 100 mA max., 28 V DC max.
  4. OPERATING VOLTAGE: 50 mV to 28 V DC.
  5. ELECTRICAL LIFE: 1,000,000 actuations.
  6. CONTACT RESISTANCE: Below 300 m Ω typ. @ 2-4 V DC, 100 mA.
  7. INSULATION RESISTANCE: 109 Ω min. (dry).
  8. DIELECTRIC STRENGTH: 500 Vrms min. @ sea level between common terminal and any output.
  9. OPERATING TEMPERATURE: –10ºC to 65ºC.

Materials

  1. HOUSING: Polyester (UL 94V-0).
  2. PUSHWHEEL: Polycarbonate.
  3. PUSHBUTTON: Polyester (UL 94V-0).
  4. ROTOR CONTACTS: Gold over nickel over copper alloy.
  5. STATOR CONTACTS: Hard gold over nickel over copper on epoxy fiberglass.
 

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