The UGQ5140K unipolar Hall effectswitch
is a monolithic IC designed for magnetic
attenuation of low-power incandescent
lamps or inductive loads such as relays
or solenoids. Included on the chip is a darlington
power output that is capable cf continuously
sinking more than 300 mA. Internal
protection circuitry lirnits surge (lamp turn ON)
or fault currents to about 900 mA. A sensitive
magnetic threshold allows the device
to be used in conjuncrion with inexpensive
magnets or in applications that require relatively
large operating distances.
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