55140-3H - 55140 Series

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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.

A small flange mount Hall effect sensor occupying only 3.22cm2 (0.500in2) board space 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.

Features:

  • 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

Benefits:

  • 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

Applications:

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

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