The SMDJ400A is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by JSCJ (JCET). Supreme Components International is an authorised distributor of JSCJ components, ensuring you receive genuine and reliable parts. This TVS diode is specifically designed to protect sensitive electronic equipment from voltage transients. It features a high surge capability of 3000W, making it suitable for demanding applications. The SMDJ400A offers a standoff voltage of 400V and is ideal for safeguarding circuits against overvoltage conditions caused by lightning strikes, inductive load switching, and ESD events. Its DO-214AB (SMC) package allows for efficient heat dissipation and easy surface mount assembly. Choose the SMDJ400A for robust and dependable transient voltage protection.