MSMBG30AE3

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TVS - Diodes:

Transient Voltage Suppression (TVS) diodes are low-power, unidirectional components used to protect electronic devices and circuits from inductive transients. Transients are voltage or current surges in a circuit that can cause damage to electronic components or systems. A TVS diode provides a conductive path when a circuit receives a surge, allowing the current to bypass the protected components and protect them from full voltage.

The MSMBG30AE3 is a bidirectional Silicon-Carbide (SiC) TVS diode from STMicroelectronics. Its small, 0.4mm by 0.4mm size makes it ideal for use in portable devices and other low-profile electronics, as well as for high-speed data line protection. The MSMBG30AE3 provides several features to help protect vulnerable components and also offers increased reliability and durability. It has an ultra-low reverse leakage current of 10nA, a peak pulse power of 30W (8/20μs) and a low maximum clamping voltage of 12.8V.

The key characteristics of the MSMBG30AE3 are as follows:

• Robust reverse surge current capabilities of 30 Watts
• Ultra-low leakage and reverse current of 10nA
• Ultra-low maximum clamping voltage of 12.8V
• Ultra-high surge capability of 10A
• High power dissipation of 0.5W
• High surge capability with 8/20μs pulses
• Increased reliability and durability

Application Fields:

The MSMBG30AE3 is designed for a wide range of applications, such as protecting automotive electronic systems from power supply transients and protecting communications systems from lightning and power failure events. It is suitable for use in consumer electronics, industrial equipment, medical devices, telecommunications systems, and more. It is also ideal for use in small form factor systems, due to its small size and low power dissipation.

Working Principle:

When an extremely high voltage or current is applied to a circuit, TVS diodes like the MSMBG30AE3 will allow the current to pass through its body, bypassing the protected components in the circuit and clamps the voltage, thus protecting them from damage. The operation of a TVS diode relies on the P-N junction breakdown of the diode, and the avalanche effect. The voltage is clamped at the breakdown voltage, like a zener diode or an overvoltage protector.

The MSMBG30AE3 is designed to provide greater protection than standard diode solutions. It has a robust reverse surge current capability of 30 Watts, an ultra-low leakage current of 10nA, and a low maximum clamping voltage of 12.8V. This helps it to protect circuits against higher voltage and current transients, ensuring reliable operation over a wide range of operating conditions.

In summary, the MSMBG30AE3 is a bidirectional Silicon-Carbide (SiC) TVS diode designed by STMicroelectronics to provide superior protection from power supply transients and lightning events. Its small 0.4mm by 0.4mm size enable it to be used in low-profile devices and high-speed data line protection. It also offers an ultra-low reverse leakage current of 10nA, a peak pulse power of 30W (8/20μs) and a low maximum clamping voltage of 12.8V.

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