The BAT54C is a dual common cathode Schottky barrier diode (SBD) manufactured by WPMtek. It comes in the SOT-23 form factor and is ROHS compliant. It has a maximum forward voltage drop of 520mV at a current of 100mA, and can handle up to 200mA. Its maximum rated reverse voltage is 30V, and has a maximum reverse current rating of 500uA at 25V.