Microswitches, B3F-4000 series

Microswitches, B3F-4000 series, B3F-4000, B3F-4005, B3F-4050, B3F-4055, B3F-4100, B3F-4105 |EN|
Manufacturer
Type of switchmicroswitch TACT
MountingTHT
Leadsfor PCB, straight
DC contacts rating @R*0.05A / 24V DC
Key stroke0.3mm
Max. contact resistance:100mΩ
Min. insulation resistance100MΩ
Contact materialphosphor bronze
Contact platingsilver plated
Operating temperature-25...70°C
Contacts layoutSPST-NO
Switch. method**OFF-(ON)
Pitch5x12.5mm
Positions2
Illuminationnone
Manufacturer seriesB3F
Body dimensions12x12mm
* at resistive load
** the position in bracket indicates momentary position.
Button shape:
Features:
  • with ground terminal (B3F-41xx)
Symbol Operating Force Button height* Actuator colour
[N] [mm]
B3F-4000 1.27 4.3 ivory
B3F-4005 2.55 4.3 yellow
B3F-4050 1.27 7.3 ivory
B3F-4055 2.55 7.3 yellow
B3F-4105 2.55 4.3 yellow
B3F-4150 1.27 7.3 ivory
B3F-4155 2.55 7.3 yellow
* measured from PCB
Symbol Mech. durability
B3F-4000 3000000 cycles
B3F-4005 1000000 cycles
B3F-4050 3000000 cycles
B3F-4055 1000000 cycles
B3F-4105 1000000 cycles
B3F-4150 3000000 cycles
B3F-4155 1000000 cycles