STMicroelectronics 1-Element Bi-Directional TVS Diode 1.5 kW Surface Mount DO-214 SMCJ40CA-TR

STMicroelectronics SMCJ40CA-TR is a high-performance 1-element bi-directional transient voltage suppression (TVS) diode designed to protect electronic circuits from voltage spikes. With a peak pulse power dissipation rating of 1.5 kW, it safeguards sensitive components by clamping transient voltages to safe levels. Packaged in a DO-214 surface mount package, it offers efficient protection with a compact footprint suitable for automated manufacturing processes.

This diode features a minimum breakdown voltage of 44.4 V and a maximum reverse stand-off voltage of 40 V, ensuring reliable operation within specified voltage limits. It can withstand peak pulse currents up to 119 A, making it robust against high-energy surges. Operating temperature ranges from -55°C to 150°C, allowing use in harsh industrial and commercial environments.

Its low reverse leakage current of 200 nA helps maintain system integrity and reduces standby power consumption. The device is engineered for bi-directional voltage suppression, providing symmetrical protection against transient voltage events. With a height of 2.45 mm, length of 7.15 mm, and width of 6.25 mm, the SMCJ40CA-TR is compact and suitable for space-constrained designs.

This TVS diode finds application in various electrical and electronic domains including telecommunications, automotive electronics, industrial controls, and power supply protection. It is designed to clamp voltage transients caused by phenomena such as lightning, inductive load switching, and electrostatic discharges, thus enhancing the overall reliability and durability of electronic equipment.

Single diode configuration providing bidirectional protection. 1.5 kW peak pulse power dissipation for robust transient suppression. Compact DO-214 surface mount package suitable for automated assembly. Wide operating temperature range from -55°C to 150°C for harsh environments.

Low leakage current of 200 nA minimizes power wastage. Capable of handling high surge currents up to 119 A. Precise clamping voltage at 84 V protects sensitive components. Application in industrial, automotive, and electronic equipment transient voltage protection.

Designed for use in modern printed circuit boards requiring surface mount technology. Ensures improved reliability in electrical and electronic power systems.

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