The P4KE56A with ESD Suppressors / TVS Diode DO-15, 47.8V, 400W, Unidir is manufactured by Diotec. This device is a bidirectional diode designed to protect sensitive components from electrostatic discharge (ESD). It has an operating voltage of 47.8V and a maximum power dissipation of 400W. The P4KE56A is packaged in a hermetic, DO-15 style package, making it perfect for applications that require a rugged and reliable design. It has a fast response time of 1ns, making it an ideal choice for high-speed circuits. The P4KE56A is environmentally friendly, meeting the requirements of the Restriction of Hazardous Substances (RoHS) and SVHC directives for lead, cadmium, and other toxic materials. The P4KE56A is suitable for use in a wide range of applications, such as automotive, consumer, audio, video, and industrial equipment.