Taiwan Semiconductor 1-Element Bi-Directional TVS Diode, Surface Mount, 1.5 kW Peak Pulse Power, 2-Pin DO-214 SMCJ30CA

Taiwan Semiconductor SMCJ30CA is a surface mount 1-element bi-directional transient voltage suppression (TVS) diode designed for high reliability and protection of circuits from voltage spikes. Manufactured in a DO-214 package, it can dissipate peak pulse power of 1.5 kW, making it suitable for demanding industrial and electronic applications.

This TVS diode features a single-element configuration that clamps voltage bi-directionally, making it ideal for AC and DC voltage protection. The minimum breakdown voltage is 33.3 V, with a maximum reverse stand-off voltage of 30 V ensuring stable operation below the clamping threshold. The clamping voltage is rated at 48.4 V with a peak pulse current capacity of 31 A, providing robust surge protection against transient voltage events.

The compact DO-214 package design and surface mount capability enable efficient system integration in space-constrained printed circuit boards. It includes two pins for straightforward board mounting. The diode operates reliably in a wide temperature range from -55°C to 150°C, suitable for harsh industrial, automotive, and commercial environments.

Its glass-passivated junction design offers fast response time and excellent incremental surge resistance. It exhibits minimal reverse leakage current of 5 μA, minimizing energy loss and enhancing circuit efficiency. The component meets recognized quality and safety standards with UL certification and a UL94V-0 flammability rating.

This TVS Diode is widely used for transient voltage suppression in electronic circuits to safeguard delicate components against electrostatic discharge, inductive load switching, and lightning surges. Typical usage spans telecommunications, automotive electronics, industrial control systems, and consumer electronics.

The diode features a single element configuration with bi-directional voltage clamping capability. It has a minimum breakdown voltage of 33.3 V and a maximum reverse stand-off voltage of 30 V. The device withstands peak pulse current up to 31 A with a clamping voltage of 48.4 V.

Designed for surface mount applications with a compact DO-214 package and 2-pin count. Operating temperature ranges from -55°C to 150°C ensuring reliability in harsh environments. Glass-passivated junction provides fast response and high surge capability.

Maximum reverse leakage current is limited to 5 μA to ensure minimal power loss. Offers excellent clamping capabilities with low incremental surge resistance. Ideal for protecting sensitive electronics in industrial, automotive, and consumer applications.

Complies with industry standards including UL certification and is rated with UL94V-0 flammability classification. Explore our comprehensive catalogue for electronic components and semiconductors to find compatible parts and related accessories for your projects.