The SM4T68A from STMicroelectronics is a robust transient voltage suppression (TVS) diode, designed to protect sensitive electronic equipment from voltage transients induced by system inductance or lightning. This high-quality component is part of STMicroelectronics' Transil™ series, renowned for their ability to safeguard circuits by clamping transient overvoltages to a safe level within nanoseconds, thus preventing damage to the connected semiconductor components.

Key Features

• Stand-off Voltage: The SM4T68A has a stand-off voltage of 68V, providing a buffer zone where the TVS remains non-conductive and does not affect the normal operation of the circuit.
• Peak Pulse Power: It can handle a peak pulse power of 400W (10/1000µs surge), ensuring protection against high energy transients.
• Low Clamping Voltage: With a low clamping voltage, this device minimizes the voltage stress on protected components during transient events.
• Fast Response Time: The SM4T68A reacts within picoseconds to overvoltage events, providing immediate protection for sensitive circuitry.
• Low Leakage Current: It features a low leakage current to minimize power loss when the device is in standby mode, enhancing energy efficiency in the application it is used in.
• Package: Available in a compact DO-214AA (SMB) package, the SM4T68A is suitable for high-density circuit board designs.

Applications

The SM4T68A is versatile and can be used in a variety of applications where transient voltage protection is critical. These include:

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

With its combination of high surge capability, fast response time, and low leakage current, the SM4T68A is an excellent choice for designers looking to enhance the reliability and longevity of their electronic systems. STMicroelectronics' commitment to quality ensures that this TVS diode is a dependable component for safeguarding sensitive electronics against voltage transients.