Description
The 55140 is a small flange mounting hall effect sensor occupying only 3.22cm² (0.500”² ) board space with a choice of digital, or programmable analogue outputs. It is available as three-wire (voltage output) or two-wire (current output) versions. It’s case design enables screw or adhesive mounting and capable of switching up to 28Vdc and 20mA. It comes with a range of sensitivity, cable length and connector options.

FEATUREs
• Magnetically operated position
   sensor
• Digital,latching or programmable
   analog types available
• Medium, high or programmable
   sensitivities
• Three-wire (voltage output) or twowire (current output) versions
• Vibration 50g max. @ 50-2,000Hz
• Shock 150g max. @ 11ms ½ Sine
• EMC to DIN 40839 (Consult
   Littelfuse)
• Reverse/Over voltage protection
• Built in temperature compensation
• Open Drain Output

Benefits
• High switching speed up to 10kHz
• Long life; up to 20 billion operations
• Operates in static or dynamic
   magnetic field
• Unaffected by harsh environment
• Customer selection of cable length
   and connector type

APPLICATIONs
• Position and limit sensing
• RPM measurement
• Commutation of brushless
   DC motors
• Flow metering
• Angle sensing
• Magnetic encoders