Rotary Absolute Position Sensor

The Littelfuse 55250 series of rotary absolute position sensors provide angular measurement between 0 and 105 degrees with the option of a full 360-degree movement. The internal design of the sensor uses non-contact magnetic Hall effect technology as opposed to more common wiper-based resistive products. This unit is immune to the performance limitations of the wiper-based products that are associated with mechanical wear or contamination.
The 55250's 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 125°C. This unit incorporates automotive grade EMIEMC and reverse polarity protection and mates with a Delphi-type sealed connector.
Features:
105° angular sensing range
Absolute rotary position sensor
Analog output
Non-contact measuring
Vibration 50g max. @ 50 to 2,000Hz
Integral EMC protection
Integral connector
Benefits:
Long life with no wear of components
High speed
Unaffected by harsh environments
Small, robust package
Applications:
Pedal position sensing, including automotive applications
Absolute rotary encoders
Shaft position
Lever position
Float level sensing
Non-contact potentiometer