I had to use my handy multimeter to get this information, I was assisted by the tech sheet at: <a href="http://www.digchip.com/datasheets/parts/datasheet/029/3144-pdf.php">http://www.digchip.com/datasheets/parts/datasheet/029/3144-pdf.php</a> Note that this appears to be a transistor, in reality there is a few logic circuits in the Hall Effect Transistor and circuit.