The P4SMASF51A-Q1-H is a high-performance Transient Voltage Suppressor (TVS) diode manufactured by Formosa Microsemi. Supreme Components International is an authorised distributor of Formosa Microsemi, ensuring you receive genuine components. This TVS diode is designed to protect sensitive electronic equipment from voltage transients. It boasts a power dissipation of 400W and a reverse standoff voltage of 51V. Encased in a compact SMA package, the P4SMASF51A-Q1-H offers excellent clamping capability, high surge current capability, and fast response time. Ideal for protecting I/O interfaces, VCC bus, and other vulnerable circuits in consumer electronics, telecommunications, and industrial applications. Its robust design ensures reliable protection against ESD, EFT, and lightning strikes. This diode meets industry standards for surge protection.