Hall Sensor – US1881LUA


Hall Sensor – US1881LUA


SKU: SEN-044 - Mfg Part Number: US5881


The US1881 is an integrated Hall-Effect latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sensor also works nicely, but can be limited by the glass encapsulation and size. A Hall-Effect sensor is much smaller, but can handle less current than a reed switch.

The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.

We also carry a non-latching AH1815 Hall-Effect Sensor.


  • 3.5V – 24V compatible
  • Polarization: South Pole
  • Output Type: Open Drain
  • Reverse polarity protection
  • Max Current Supply: 5mA
  • Max Current Output: 50mA
  • Technology: Hall Effect
  • Latching output pin


In stock (can be backordered)

SKU: SEN-044. Category: . Tags: , , .
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