The SMCJ12A is a high-reliability 12V unidirectional TVS diode manufactured by SMC Diodes. Supreme Components International is an authorised distributor of SMC Diodes, ensuring you receive genuine components. This TVS diode is designed to protect sensitive electronic equipment from voltage transients. It features a peak pulse power dissipation of 1500W, providing robust protection against surges caused by lightning strikes, inductive load switching, and ESD events. The SMCJ12A is housed in a DO-214AB (SMC) package, offering excellent power dissipation capabilities in a small footprint. Ideal applications include I/O protection, VCC bus protection, and protection of data lines. Its unidirectional configuration simplifies circuit design and ensures effective transient suppression. Choose the SMCJ12A for reliable overvoltage protection in your critical applications.