The STPK30KP170A is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by SMC DIODES. Supreme Components International is an authorised distributor of SMC DIODES components. This TVS diode is designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). Featuring a high peak pulse power dissipation of 30000W, the STPK30KP170A offers robust protection against overvoltage events. Its 170V standoff voltage makes it suitable for a wide range of applications. The device's unidirectional configuration ensures optimal performance in DC circuits. Key features include fast response time, excellent clamping capability, and high reliability. Ideal for use in power supplies, telecommunications equipment, and industrial control systems.