The BZT52C27S-TP is an inexpensive surface-mount low-voltage Zener diode from Micro Commercial Components (MCC). It has a maximum voltage of 27V, a breakdown voltage of 25V, and a maximum current of 150mA. It also has an indentifying marking of TP and a maximum thermal resistance of 300° K/W. This component is ideal for applications like power supplies, voltage regulators, and motor controllers.