The P4SMA91A is a Transient Voltage Suppressor (TVS) diode manufactured by JSCJ (JCET). Supreme Components International is an authorized distributor of JSCJ components, ensuring you receive genuine, high-quality parts. This diode is designed to protect sensitive electronic equipment from voltage transients induced by lightning, ESD, and other transient voltage events. It features a reverse standoff voltage of 91V and a peak pulse power dissipation of 400W. The P4SMA91A is housed in a surface-mount SMA package, making it easy to integrate into various circuit designs. Its fast response time and low clamping voltage provide effective protection for sensitive components. Applications include I/O protection, VCC bus protection, and protection of data lines. Choose Supreme Components International for reliable components and expert support.