The 5KP40A TVS ROHS manufactured by Yageo is a bi-directional, unidirectional, surface-mount Transient Voltage Suppressor (TVS) Diode designed to protect electronic equipment from overvoltages. This device is RoHS compliant and is made to fit a 64.5V 44.4V 40V plug-in application. It has an operating temperature range of -65°C to +150°C, a power dissipation of 500W, a peak power dissipation of 5kW, a holding voltage of 40V, and a clamped voltage of 64.5V. Its response time is less than 1 ns and it is designed to provide efficient protection from overvoltage transients and surge events.