SM351LT sensor equivalent, magnetoresistive sensor.
* High sensitivity: 7 Gauss typ., 11 Gauss max. (SM351LT); 14 G typ., 20 Gauss max. (SM353LT)
* Nanopower: Average current of 360 nA typ. (SM351LT) and 310 nA typ.
with large air gaps, small magnetic fields and low power requirements.
The sensor ICs respond to either a North or Sout.
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