AH49HZ3-G1
Hall Effect Sensor 3.3V/5V 3Pin TO-92S
By using it to detect a magnetic field, this Hall effect sensor from Zetex can then act as a proximity switch, speed detector, or current sensor. This device"s minimum operating supply voltage of 3 V, while its maximum is 8 V. This part has a minimum operating temperature of -40 °C and a maximum of 105 °C.