The ESD56151W04-2/TR is a 6.5V 4.7V 4.5V SOD-323 TVS (Transient Voltage Suppressor) diode manufactured by Will Semiconductor. This device is designed to protect against electrostatic discharges (ESD), as well as protect against voltage surges up to 8.5V. It features low clamping voltage, fast response time and low capacitance. The device is available in RoHS-compliant packaging, making it suitable for various applications, including automotive and consumer electronics. It is rated for an operating temperature range of -55°C to +125°C.