From doors to compressors, Littelfuse provides electronic components for refrigerators. A block diagram shows how our temperature probes, reed


A miniature flange mount Hall effect sensor 25.5mm (1.004") x 11.00mm (0.433") and only 3.00mm (0.118") high with a choice of digital or programmable analog outputs. Available in 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
- Open collector output
- Medium, high or programmable sensitivities
- 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
55100 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 | |
---|---|---|---|---|---|---|---|---|
3.75 to 24 | 120 | 13.5 | -40° to 100°C | |||||
3.8 to 24 | Sinking/Open Collector | 59 | 18 | -40° to 100°C | ||||
3.8 to 24 | Sinking/Open Collector | 0.4V @ 10mA | 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 |
55100 Applications

Refrigerators
Highlights Section
- Position and limit sensing
- RPM measurement
- Flow metering
- Commutation of brushless DC motors
- Angle sensing
- Magnetic encoders
Series: 55100 Resources

Sensors Application Notes
Identify ideal applications for different sensors, review illustrations of common applications, and learn about options for customizing sensors.