The P6SMB120CAHM4G is an ESD Suppressors / TVS Diodes made by Taiwan Semiconductor. It is a 600W, 120V, 5% bidirectional TVS device, designed to provide protection against electrostatic discharge (ESD) and power surges. It is provided with a very low operating voltage, extremely fast response time and low inductance, making it ideal for used for high-speed data interface, digital/communication lines in consumer electronics, medical devices, automotive and industrial applications. Its rugged epoxy package also provides it with superior humidity/temperature performance, and it is RoHS compliant.