STMicroelectronics 1-Element Bi-Directional TVS Diode 400 W, Surface Mount DO-214 SMAJ28CA-TR

STMicroelectronics SMAJ28CA-TR is a high-performance 1-element bi-directional transient voltage suppression (TVS) diode designed for surface mounting applications. Housed in a DO-214 package, it provides robust protection for electronic circuits against transient voltage spikes caused by inductive load switching and lightning surges. The device's peak pulse power dissipation of 400 W makes it suitable for use in power supply lines and data communication interfaces, where reliable overvoltage protection is critical.

The diode features a minimum breakdown voltage of 31.1 V and a maximum reverse stand-off voltage of 28 V, ensuring effective clamping at transient voltage levels. It has a clamping voltage of 59 V and can sustain a peak pulse current of 39 A. The device ensures maximal safety with electrostatic discharge (ESD) protection and minimal leakage current, rated up to 200 nA under normal operating conditions.

Operating temperature range from -55°C to 150°C supports its use in diverse industrial, automotive, and consumer electronic applications, providing durability and long service life. The compact surface mount DO-214 package measures 2.95 mm in length, 4.6 mm in width, and 2.03 mm in height, facilitating easy integration into printed circuit boards (PCBs).

The SMAJxxCA series is widely used in electronic product designs requiring suppression of voltage transient surges to protect sensitive semiconductors and ICs. Its bi-directional configuration enables protection on both positive and negative voltage transients, making it versatile for AC and DC circuits.

This diode is well suited for implementations in industrial control systems, automotive electronics, telecommunications equipment, and consumer electronics. It helps enhance system reliability and prevent damage due to voltage spikes during operation.

The diode offers bi-directional protection against transient voltage spikes. It features a minimum breakdown voltage of 31.1 V and a maximum reverse stand-off voltage of 28 V. Clamping voltage is rated at 59 V with a peak pulse current capacity of 39 A.

The device operates over a temperature range from -55°C to 150°C ensuring reliability under various environmental conditions. The compact surface mount package dimensions are 2.95 mm length, 4.6 mm width, and 2.03 mm height.

It supports electrostatic discharge (ESD) protection and has a maximum reverse leakage current of 200 nA. The SMAJxxCA series is engineered for transient voltage suppression in sensitive electronic circuits. Explore EnvMart's electronics catalog for additional semiconductor devices and TVS Diodes to complement your design and protection requirements.