The 1.5KE250A-E3/73 ESD Suppressor / TVS Diode, manufactured by Vishay, is a unidirectional, 1500 watt, 250 volt ESD protection device. It is designed to reduce the over-voltage caused by electrostatic discharge (ESD) events, protecting sensitive components and equipment from damage or malfunction. This device is RoHS-compliant and features fast response times and low dynamic resistance. It is ideal for use in applications including medical electronics, computers, peripherals, and communication systems.