STMicroelectronics 1-Element Bi-Directional TVS Diode 3 kW Surface Mount DO-214 SM30T18CAY

STMicroelectronics SM30T18CAY is a highly reliable 1-element bi-directional Transient Voltage Suppressor (TVS) diode with a peak pulse power dissipation rating of 3 kW. Housed in a compact DO-214 surface mount package, this TVS diode is engineered to protect sensitive electronics from voltage transients caused by inductive load switching and lightning strikes.

The device features a single diode configuration with two pins, ensuring easy integration onto printed circuit boards via surface mount technology. It provides a minimum breakdown voltage of 16.7 V and a maximum reverse stand-off voltage of 15 V to protect circuits within stringent voltage thresholds.

Capable of handling peak pulse currents up to 910 A and clamping voltage of 30 V, the device effectively suppresses transient surges that could damage electronic components. Its compact size with dimensions of 7.15 mm length, 6.25 mm width, and 2.45 mm height makes it suitable for high-density PCB layouts.

The SM30T18CAY operates over a wide temperature range from -55°C to 150°C, ensuring robust performance even in demanding industrial, automotive, and commercial environments. It complies with the AEC-Q101 standard, making it ideal for automotive electronic applications where high reliability and ruggedness are essential.

Common use cases include transient voltage suppression in automotive electronics, industrial control systems, power supplies, and consumer electronics. This device protects sensitive circuits from electrostatic discharge (ESD), electrical fast transients (EFT), and surge events, thereby enhancing system longevity and reliability.

Offers bi-directional transient voltage suppression for circuit protection. Features a single diode element with 2 pins for surface mounting. Rated minimum breakdown voltage of 16.7 volts and maximum reverse stand-off voltage of 15 volts.

Supports a peak pulse current of up to 910 amperes for transient events. Has a maximum clamping voltage of 30 volts, ensuring effective surge suppression. Compact physical dimensions: length 7.15 mm, width 6.25 mm, and height 2.45 mm.

Operates reliably between -55°C to 150°C, suitable for demanding industrial environments. Compliant with the AEC-Q101 automotive standard for enhanced durability. Designed for high reliability in protecting electronic circuits against voltage spikes.

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