The Diotec P4SMAJ90A-Q is a surface-mount Transient Voltage Suppressor (TVS) diode designed for robust circuit protection. This device offers a standoff voltage of 90V and a peak pulse power dissipation of 400W, making it ideal for safeguarding sensitive electronics against voltage transients caused by inductive load switching, lightning strikes, and electrostatic discharge (ESD). Its SMA package allows for efficient heat dissipation and easy integration into printed circuit boards. As an authorized distributor of Diotec components, Supreme Components International guarantees the authenticity and quality of the P4SMAJ90A-Q. This TVS diode is commonly used in applications such as automotive electronics, industrial equipment, and consumer electronics to enhance system reliability and prevent costly damage from voltage surges.