STMicroelectronics 1-Element Bi-Directional TVS Diode, 600 W, 2-Pin DO-214 SM6T56CAY

STMicroelectronics SM6T56CAY is a 1-element bi-directional transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage surges and electrostatic discharge events in automotive and other high-reliability applications. Featuring a compact DO-214AA (SMB) surface mount package with dimensions of 4.6mm length, 3.95mm width, and 2.45mm height, this TVS diode offers efficient space utilization on printed circuit boards.

This diode configuration is bi-directional, which allows it to clamp voltage surges of either polarity, making it ideal for automotive systems exposed to a variety of transient voltage conditions as defined by ISO 7637-2 and ISO 10605 standards. It supports a peak pulse power dissipation of 600 W and can handle maximum peak pulse currents up to 40 A, ensuring strong transient surge handling capability.

The SM6T56CAY features a minimum breakdown voltage of 53.2 V and a maximum reverse stand-off voltage of 47.6 V, providing effective surge protection while maintaining normal operation below clamping levels. The diode also has a clamping voltage of 100 V to protect components from damaging overvoltages. Maximum reverse leakage current is very low at 1 µA, enhancing efficiency and reducing power loss in circuits.

Designed to operate reliably in harsh environments, it has an operating temperature range from -55°C to 150°C and is qualified to the automotive AEC-Q101 standard, which certifies it for use in demanding automotive applications. The single element per chip construction ensures focused and efficient transient suppression.

Additional device characterization includes a test current rating of 1 mA to verify device behavior under test conditions. The SM6T56CAY is well-suited for industrial, automotive, manufacturing, and electronics applications requiring transient voltage protection in a robust and compact form factor.

Compact DO-214AA (SMB) surface mount package for PCB mounting. 1-element bi-directional diode configuration for versatile surge protection. 600 W peak pulse power handling supports high transient surges. Maximum peak pulse current of 40 A for effective suppression.

Low leakage current ensures minimal power dissipation. Automotive-grade certification with AEC-Q101 qualification. Wide operating temperature range from -55°C to 150°C. Compliance with ISO 7637-2 and ISO 10605 surge and ESD standards.

Single chip element design for dedicated transient suppression. Tested at 1 mA for device consistency and reliability.

This product is part of the STMicroelectronics SM6TY series of automotive transient voltage suppressors, providing industry-proven protection solutions. Suitable for use in electronics, electrical engineering, automotive systems, manufacturing equipment, and industrial control systems.

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