The BZT52B5V6S is a low-power, RoHS-compliant zener diode manufactured by Formosa. It is housed in a surface-mount SOD-323 package, and is capable of regulating reverse bias voltages from 5 volts to 6 volts with a 5% tolerance. This device is usually used in protection circuits, clipper circuits, or as a voltage reference. It is capable of working with currents up to 250 mA, and has a typical reverse breakdown voltage of 5.6 volts at an 8 mA current. The device has a maximum power dissipation of 250 milliwatts.