54140 Series - Small Flange Mounting Omnipolar TMR Sensor

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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 54140 is a miniature flange-mounting Omnipolar TMR sensor measuring 23.0mm x 14.0mm x 5.9mm. The case design allows either screw or adhesive mounting of the sensor. This is a 3-Wire sensor (Power - Ground - Output), and is capable of switching up to 5.5 Vdc and 3.0 mA output current. The sensor leads may be used as shipped or will allow modifications for a variety connections, with two lead lengths offered. Customization may be supported for high volume, long running production needs, contact Littelfuse for options.

Features & Benefits:

  • Magnetically operated position sensor
  • Operation with north orsouth pole
  • Digital switching
  • High Sensitivity
  • 3-wire (voltage output)
  • Push-pull output
  • Ultra-low power consumption at 1.5 μA
  • Operates in a static or dynamic magetic field
  • Built-in temperature compensation
  • Excellent thermal stabiliity
  • High switching speed up to 1 kHz
  • Vibration 50 g max. @50–2,000 Hz
  • Shock 150g max. @ 11 ms 1/2 sine
  • Long Life - up to 20 billion operations
  • RoHS compliant
  • IP67 rated

Application:

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

Access specifications, certifications, check availability and order parts below

Catalog #Average Activation Distance
(Mm)
Switching Speed
(kHz)
Current Consumption
(μA)
Operating Temperature Maximum Celsius
(°C)
Sensitivity Gauss
(Gauss)
Supply Voltage Operate
(Vdc)
Partner ECAD ModelsStockSamples
54140-17X29.111.5+100171.8 to 5.554140-17XCheckOrder
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