GBJ3512 is a silicon rectifier diode manufactured by STMicroelectronics. It is a 600 V, 1.5 A, Ultrafast diode, which is ideally suited for high performance applications such as Power Supplies, Invertors, Battery Chargers, and Solar Applications. The GBJ3512 provides high surge capability and low forward voltage drop, making it well suited for high frequency operation. It also has an High Operating Temperature range and an excellent thermal performance. The device includes a built-in electrostatic discharge (ESD) protection circuit, making it suitable for harsh environmental applications.