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QSA
Silent Navigation Switch for SMT

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
- FUNCTION: QSA2: 2 way switch QSA4: 4 way switch
- TYPE OF SWITCH: QSA2: 2x make contacts QSA4: 4x make contacts
- FOOTPRINT: 23 mm x 18 mm, operating direction diagonal
- HEIGHT: Housing: 9 mm, total height: 22,4 mm (H1 version)
- PINS: Solder pins, SMD
- ATTACHMENT: Snap-in pegs provided to help secure and locate switches
- ACTUATOR: ø3,5 mm with button fastener
Mechanical
- OPERATION DIRECTION: In X–Y direction along the diagonal axis of the switch. Rotation point is 5,5 mm over the PCB surface.
- 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
- ACTUATION ANGLE: G8 version To switch point / stop (4,0 N force) 6.5˚ / 8.5˚
- ACTUATION FORCE: 3,3 ± 1 N
- TACTILE EFFECT: 15%
- LIFE: 30,000 cycles in each direction (≤ 20 N force)
- For further information and test reports concerning life, please consult factory
Mechanical (continued)
- RETURN FORCE: 0,8 ± 0,3N
- ACTUATION STRENGTH:
- >50 N, parallel to PCB
- >100 N, vertical (push) to PCB
- >50 N traction (pull) force
Electrical
- SWITCHING POWER MAX: 0,20 VA
- MIN / MAX SWITCHING VOLTAGE: (VDC) 20mV / 30 V
- MIN / MAX SWITCHING current: 1mA / 50mA
- BOUNCE: < 1 ms
Environmental
- OPERATING TEMPERATURE: –40˚C to 85˚C
- STORAGE TEMPERATURE: –40˚C to 95˚C
Process
- AUTOMATIC SOLDERING: Reflow compatible per CECC00802
Other Data
- CONTACT MATERIAL: Au on Ni layer
- SOLDERING PINS: Au flash
- HOUSING MATERIAL: Thermoplastic
- QSA is RoHS compliant.

