STMicroelectronics SM6T42CAY Transil™ TVS Diode

The STMicroelectronics SM6T42CAY is a high-performance transient voltage suppression (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This device is part of STMicroelectronics' Transil series, which is renowned for its ability to safeguard circuits by clamping unwanted high-energy surges to a safe level.

Key Features

• Stand-off Voltage: The SM6T42CAY offers a stand-off voltage of 42V, making it suitable for a variety of applications that operate within this voltage range.
• Peak Pulse Power: It provides a peak pulse power dissipation of 600W (10/1000μs surge), ensuring robust protection against high energy transients.
• Breakdown Voltage: The breakdown voltage range is from 46.7V to 51.7V, which guarantees a precise protection level.
• Low Clamping Voltage: With a low clamping voltage, this TVS diode effectively limits the voltage spikes and minimizes the stress on the protected circuit.
• Bi-directional Device: The SM6T42CAY is a bi-directional device, providing symmetrical protection that is ideal for AC line applications or where the polarity is reversible.
• Package: It comes in a molded plastic, SMB (DO-214AA) package that offers a compact footprint and is suitable for high-density circuit board designs.

Applications

The Transil SM6T42CAY is versatile and can be used in various applications to protect against voltage transients. These include:

• Power supply lines
• Communication systems
• Automotive electronics
• Industrial electronics
• Consumer electronics

Reliability and Safety

STMicroelectronics ensures that the SM6T42CAY meets rigorous standards for reliability and safety. It is compliant with industry standards such as IEC 61000-4-2 and IEC 61000-4-5, providing confidence in its ability to perform under harsh electrical disturbances. With its excellent surge suppression capabilities, the SM6T42CAY is a trusted solution for circuit protection in a wide array of electronic systems.