STMicroelectronics 1-Element Bi-Directional TVS Diode 1.5 kW, Surface Mount DO-214 Package SMCJ30CA-TR

STMicroelectronics SMCJ30CA-TR is a single-element, bi-directional transient voltage suppression (TVS) diode designed to protect sensitive electronic components from transient voltage spikes. It is engineered with a peak pulse power dissipation of 1.5 kW, making it highly effective for surge protection in electronic circuitry.

This diode is packaged in a compact DO-214 surface mount package measuring 7.15 mm length, 6.25 mm width, and 2.45 mm height, facilitating low-profile PCB assembly and space-saving designs. It has a minimum breakdown voltage (Vbr) of 33.3 V and a maximum reverse stand-off voltage (Vwm) of 30 V, ensuring it clamps voltage surges above these thresholds effectively.

Operating reliably across a temperature range from -55°C to 150°C, the SMCJ30CA-TR is suitable for industrial, automotive (non-certified), electronic manufacturing, and telecommunications applications requiring robust transient voltage protection. Its low maximum reverse leakage current of 1 μA reduces power dissipation during normal operation, enhancing circuit efficiency.

The device supports a maximum peak pulse current (Ippm) of 156 A and features a clamping voltage of 64.3 V, which limits the voltage spike to a safe level. It has 2 pins configured for surface mount installation and is part of the trusted SMCJxxCA series known for reliable transient voltage suppression.

The SMCJ30CA-TR diode is widely used in protecting power supplies, communication lines, and sensitive semiconductor devices against damage from electrostatic discharge (ESD), lightning-induced surges, and other transient events.

This part is designed for electronic component protection in industrial and telecommunications equipment. It operates with quick response times to surges, ensuring minimal downtime and component damage. Its surface mount package allows for automated PCB assembly and compact design implementations.

Low leakage and stable operating characteristics extend device and system reliability. Conforms to industry standards though no specific automotive certification is claimed. This product is an ideal choice within the TVS diode category for designers requiring dependable transient voltage protection in compact packages.

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