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Short Stroke Pushbutton Switches

PHA, Pushbutton

Features/Benefits

  • Momentary or latching action
  • Low cost, reliable contact design
  • 2, 4 & 6 pole configurations
  • Sealed contacts
  • Optional buttons
  • RoHS compliant

Typical Applications

  • Computers and peripherals
  • Instrumentation and measurement equipment
  • Non-power, on-off switch applications

Specifications

  1. SWITCHING POWER MAX.: 3 W DC
  2. SWITCHING VOLTAGE MAX.: 30 V DC
  3. SWITCHING CURRENT MAX.: 100 mA DC
  4. DIELECTRIC STRENGTH (50 Hz/1 min.): 500 V between open contacts. 1500 V between chassis and contacts.
  5. OPERATING LIFE: Impulse/momentary (OA): ^ 104 operations. Latching (EE): ^104 operations
  6. CONTACT RESISTANCE: New: %20 mΩ After 105 operations: %40 mΩ
  7. INSULATION RESISTANCE: ^1010Ω
  8. CAPACITANCE: %1.5 pF
  9. CONTACT BOUNCE: %2 ms Operating speed 200 mm/s (7.87 inch/s)
  10. TOTAL TRAVEL/LATCHING TRAVEL: 2.5mm/1.5mm (.0984 inch/.0591 inch)
  11. OPERATING FORCE: 2U: 170cN±50cN (170 grams±50 grams) 4U: 230cN±70cN (230 grams±70 grams) 6U: 300cN±100cN (300 grams±100 grams)
  12. SEALING: Sealed contacts.

Materials

  1. FIXED TERMINAL: Brass, silver plated.
  2. MOVABLE CONTACT: Phosphor bronze, silver plated.
  3. SWITCH BODY: PPE
  4. ACTUATOR: POM
  5. STANDOFF CLIP: POM
  6. RETURN SPRING: Music wire.
  7. RETURN SPRING RETAINER: Carbon steel, tin plated.
  8. DETENT SPRING PLATE: Phosphor bronze.
  9. DETENT SPRING: Stainless steel.
  10. BASE: Laminated phenolic.
  11. TERMINAL SEAL: Epoxy.