55310-00 - 55310 Series

Series: 55310
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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The Littelfuse 55310 series of position sensors features a unipolar digital Hall effect switch capable of providing open-drain output.

The 55310 package design commonly finds applications within all types of vehicle and industrial segments. Designed to operate in the harsh environments of the industrial and commercial vehicle, the sensor has an operating temperature range between -40°C and 105°C. This unit incorporates automotive grade EMI/EMC and reverse battery polarity protection, as well as commercial grade 20 AWG-TXL automotive wire and the option of a Molex-type sealed connector.


  • Magnetically-operated position sensor
  • Unipolar digial Hall effect switch
  • 3-wire sensor with open-drain output
  • Integral EMC protection
  • Integral reverse/over-voltage protection


  • High switching speed up to 10kHz
  • Long life, up to 20 billion operations
  • Unaffected by harsh environments
  • Available with a selection of wire length and connector options
  • Standard actuators are available (contact Littelfuse)


  • Position sensing
  • Limit sensing
  • Speed measurement
  • Magnetic encoders
Property (Mouseover for details) Value
Operating Supply Voltage (V DC) 4.75 to 24
Operating Supply Current (mA) 6
Output Low 20 mA
Output Type Current
Operating Temperature -40° to 105°C

pdficon Position and Level Sensing in Washing Machines

A most integral appliance in any home is a washing machine. Washing machines have helped made the chore of cleaning clothes quite effortless.

pdficon Littelfuse Hall Effect Sensors 55310 datasheet

pdficon Rice Cooker Lid Lock Application Note

The position sensing lid lock ensures that the lid is securely locked in place.

pdficon Flow Sensing in Tankless Water Heaters Application Note

Reed switches and sensors are highly effective solutions for flow sensing applications that can be used for detecting the presence of fluid flow in a system or even measure the rate of fluid flow.

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