Automatic doors and gates make buildings more accessible and improve security. Consult this block diagram to find Littelfuse components that help


Asmall flange mountHall effectsensor occupying only 3.22cm2(0.500in2) board space with a choice of digital or programmable analog outputs.Availablein 3-wire(voltage output)or 2-wire (current output) versions.Its case design enables screw or adhesive mounting. Capable of switching up to 28Vdc and 20mA. Available with a range of sensitivity, cable length and connector options. Ideally suited for position and limit sensing, rotation and flow measurement, commutation of brushless DC motors, angular sensing and magnetic encoding.
- Magnetically-operated position sensor
- Digital or programmable analog types available
- Medium, high or programmable sensitivity options available
- Three-wire (voltage output) or two-wire (current output) versions available
- Vibration 50g max. @ 50 to 2,000Hz
- Shock 150g max. @ 11ms 1/2 sine wave
- EMC compliance to DIN 40839 (consult Littelfuse)
- Integral reverse/over-voltage protection
- Built-in temperature compensation
- High switching speed up to 10kHz
- Long life, up to 20 billion operations
- Unaffected by harsh environments
- Operates in static or dynamic magnetic field
- Available with a selection of cable length and connector options
55140 Parts
Filters
Showing 1 to 4 of 4 Total Results
Part Number | Actions | Operating Supply Voltage (V DC) | Output High | Output Low | Magnetic Sensitivity (Gauss) | Nominal Activate Distance (mm) | Operating Temperature |
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Part Number | Actions | Operating Supply Voltage (V DC) | Output High | Output Low | Magnetic Sensitivity (Gauss) | Nominal Activate Distance (mm) | Operating Temperature | |
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3.75 to 24 | 2.2 to 5.6 mA | 120 | 13.5 | -40° to 100°C | ||||
3.8 to 24 | Sinking/Open Collector | 0.4V @ 20 mA | 59 | 18 | -40° to 100°C | |||
3.8 to 24 | Sinking/Open Collector | 0.4V @ 20 mA | 130 | 12.5 | -40° to 100°C | |||
4.5 to 5.5 | 4.65 V | 0.35 V | Programmable | Contact Littelfuse | -40° to 100°C |
55140 Applications

Automated Doors & Gates
Highlights Section
- Position and limit switching
- RPM measurement
- Flow metering
- Commutation of brushless DC motors
- Angle sensing
- Magnetic encoders