STMicroelectronics 1-Element Bi-Directional TVS Diode, Surface Mount, 400 W, 43 V Max Reverse Stand-off, DO-214 SMAJ43CA-TR

STMicroelectronics SMAJ43CA-TR is a high-performance single-element bi-directional Transient Voltage Suppressor (TVS) diode designed for surface mounting in a DO-214 package, delivering a peak pulse power dissipation of 400 watts.

This diode is engineered to protect sensitive electronic circuits from voltage transients caused by events such as electrostatic discharge (ESD), inductive load switching, and lightning surges, making it essential for electronic component protection in industrial, commercial, and consumer electronic devices.

Key electrical specifications include a minimum breakdown voltage (Vbr) of 47.8 volts, a maximum reverse stand-off voltage (Vwm) of 43 volts, and a clamping voltage (Vc) of 91 volts, ensuring effective suppression of transient overvoltages while limiting stress on protected components.

The SMAJ43CA-TR diode supports a maximum peak pulse current (Ippm) of 25 amps and provides reliable ESD protection, enhancing device durability and reliability under transient conditions.

Operating temperature range from -55°C to 150°C makes it suitable for deployment in challenging thermal environments encountered in automotive, industrial, and communication equipment.

The compact surface mount DO-214 package measuring 4.6 mm by 2.95 mm by 2.03 mm in height optimizes board space while simplifying assembly processes.

This device is well-suited for a broad range of applications including power supply lines, telecom equipment, industrial control systems, and automotive electronics requiring transient voltage and ESD protection.

This TVS Diode has a single diode configuration for effective transient voltage suppression. It operates bidirectionally with a maximum reverse stand-off voltage of 43 volts. The clamp voltage is rated at 91 volts ensuring protection against voltage spikes.

The device supports ESD protection and can withstand maximum peak pulse currents up to 25 amps. Designed to operate in a temperature range from -55°C to 150°C, suitable for harsh environments. The compact DO-214 package dimensions are 4.6 mm length, 2.95 mm width, and 2.03 mm height.

It features low maximum reverse leakage current of 200 nanoamps at standard conditions. Ideal for PCB surface mount applications requiring robust transient voltage suppression.

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