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QSA

Silent Navigation Switch for SMT

QSA, Navigation

Features/Benefits

  • Excellent tactile feel
  • Plunger can be custom designed
  • SMT switch adapted for low current
  • Only actuate 1 direction at a time
  • Provides logic level control
  • RoHS compliant

Typical Applications

  • Seat adjustments
  • Industrial controls
  • Mirror adjustment
  • Home entertainment
  • Multi-function steering wheel

Construction

  1. FUNCTION: QSA2: 2 way switch QSA4: 4 way switch
  2. TYPE OF SWITCH: QSA2: 2x make contacts QSA4: 4x make contacts
  3. FOOTPRINT: 23 mm x 18 mm, operating direction diagonal
  4. HEIGHT: Housing: 9 mm, total height: 22,4 mm (H1 version)
  5. PINS: Solder pins, SMD
  6. ATTACHMENT: Snap-in pegs provided to help secure and locate switches
  7. ACTUATOR: ø3,5 mm with button fastener

Mechanical

  1. OPERATION DIRECTION: In X–Y direction along the diagonal axis of the switch. Rotation point is 5,5 mm over the PCB surface.
  2. TRAVEL: (H1 G8 version) Travel of the actuator measured on an axis parallel to and 19 mm above PCB. switch point/stop (4,0 N force) 1,2 ± 0,4 mm / 1,9+0,5 mm
  3. ACTUATION ANGLE: G8 version To switch point / stop (4,0 N force) 6.5˚ / 8.5˚
  4. ACTUATION FORCE: 3,3 ± 1 N
  5. TACTILE EFFECT: 15%
  6. LIFE: 30,000 cycles in each direction (≤ 20 N force)
  7. For further information and test reports concerning life, please consult factory

Mechanical (continued)


  1. RETURN FORCE: 0,8 ± 0,3N
  2. ACTUATION STRENGTH:
  3. >50 N, parallel to PCB
  4. >100 N, vertical (push) to PCB
  5. >50 N traction (pull) force

Electrical

  1. SWITCHING POWER MAX: 0,20 VA
  2. MIN / MAX SWITCHING VOLTAGE: (VDC) 20mV / 30 V
  3. MIN / MAX SWITCHING current: 1mA / 50mA
  4. BOUNCE: < 1 ms

Environmental

  1. OPERATING TEMPERATURE: –40˚C to 85˚C
  2. STORAGE TEMPERATURE: –40˚C to 95˚C

Process

  1. AUTOMATIC SOLDERING: Reflow compatible per CECC00802

Other Data

  1. CONTACT MATERIAL: Au on Ni layer
  2. SOLDERING PINS: Au flash
  3. HOUSING MATERIAL: Thermoplastic
  4. QSA is RoHS compliant.