55140-2H - 55140 Series

Series: 55140
Availability: Obsolete

Obsolete
Questions? Contact Littelfuse Support
Littelfuse_Hall_Effect_Sensors_55140_Image
Roll Over to Zoom
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.

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

Application Spotlight


Save
Save
Property (Mouseover for details) Value
Operating Supply Voltage (V DC) 3.75 to 24
Output Low 2.2 to 5.6 mA
Magnetic Sensitivity (Gauss) 57
Nominal Activate Distance (mm) 18.5
Output Type Current
Operating Temperature -40° to 100°C

pdficon Littelfuse Hall Effect Sensors 55140 datasheet

pdficon Catalog Glossary Reed Switch Terms Application Note

Reed Switch Terms Glossary
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 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.
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
55140-2H-02-E 55140 2H02E HALL SENSOR RoHS No 07/26/2014 PbFree No 07/26/2014 No
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.