The SM15T33AY is a state-of-the-art transient voltage suppression (TVS) diode designed by STMicroelectronics to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This component is a part of the Transil™ series, which is well-known for providing high surge protection in a compact package.

Key Features

• Stand-off Voltage: The device boasts a stand-off voltage of 33V, making it suitable for a range of applications that require a higher voltage rating.
• Peak Pulse Power: With an impressive peak pulse power dissipation of 1500W (10/1000μs), the SM15T33AY is capable of handling significant surge events without compromising the integrity of the protected circuit.
• Package: It comes in an SMB (DO-214AA) surface-mount package, which allows for efficient PCB space utilization and is compatible with automatic pick and place equipment.
• Temperature Range: The operating junction temperature range extends from -55°C to +150°C, ensuring reliable protection across a wide range of environmental conditions.
• Low Clamping Voltage: The device provides a low clamping voltage, which is crucial for protecting sensitive components that can be damaged by overvoltage events.

Applications

The SM15T33AY is ideal for protecting voltage-sensitive components in various applications, including:

• Power supply units
• Industrial systems
• Telecommunication devices
• Consumer electronics
• Automotive electronics

Compliance and Quality

This product is compliant with the following standards:

• IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
• IEC 61000-4-4 (EFT): 40A - 5/50ns
• IEC 61000-4-5 (Surge): 24A - 8/20μs

Moreover, STMicroelectronics is committed to delivering high-quality products, and the SM15T33AY is no exception. It is manufactured in ISO/TS 16949 certified sites and is qualified to AEC-Q101 standards for automotive applications, ensuring reliability and performance across its intended uses.