The DIOTEC P4KE9.1CA is a high-performance bidirectional Transient Voltage Suppressor (TVS) diode, meticulously engineered to safeguard sensitive electronic circuits from transient voltage events. This device boasts a standoff voltage of 9.1V and a peak pulse power dissipation of 400W, ensuring robust protection against voltage spikes caused by lightning strikes, inductive load switching, and electrostatic discharge (ESD). The P4KE9.1CA's bidirectional clamping characteristic makes it ideal for AC line protection and applications where voltage polarity is uncertain. Encased in a compact and reliable DO-41 package, this TVS diode offers easy integration into existing designs. Supreme Components International is an authorized distributor of DIOTEC, guaranteeing genuine components and expert support. This diode is suitable for various applications, including telecommunications equipment, industrial controls, and consumer electronics.