MSMBG28CAE3

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TVS - Diodes

TVS - Diodes are very important for use in electronic systems, protecting against transient overvoltage or overcurrent conditions which may cause permanent damage to components.

The MSMBG28CAE3 is an example of a TVS (Transient Voltage Suppression) diode. This diode is packaged in a miniature SMA (SubMiniature version A) package and offers strong protection against ESD and over-voltage transients.

Application Field:

The MSMBG28CAE3 TVS diode is suitable for use in both consumer and industrial electronics, such as computers, communications equipment, automotive systems, and military applications. It is well suited for use in high precision and EMC sensitive systems, because of its strong ESD protection and low leakage current capabilities. It is also suitable for use in telecom/datacom applications.

Working Principle:

This TVS diode is a unidirectional device, designed to protect sensitive circuits from voltage transients caused by electrostatic discharge (ESD), inductive kicks, or other overvoltage conditions. When subjected to a voltage exceeding its reverse breakdown (clamping voltage) rating, the diode starts to conduct (the “breakover”), thus dissipating excess current and protecting the circuit. The device is designed to conduct very high rates of surge current, thus providing very effective protection.

The degree of protection is determined by the device’s clamping voltage, which must be equal to or greater than the highest of the normal operating voltage levels of the circuit. The breakover voltage rating of this TVS diode is typically 6V for unipolar ESD transients, and 11V for repetitive transient bursts according to IEC 61000-4-2.

The device’s reverse leakge current is typically very low, typically in the range of 10nA or lower. The device also features low capacitance, typically 1.00 pF or lower. This ensures low signal distortion due to capacitive loading, making it ideal for use in higher speed applications.

Conclusion:

The MSMBG28CAE3 TVS diode is an excellent choice for protecting sensitive circuits from ESD and overvoltage transients. Its low capacitance, low leakage current, and high surge current capability make it ideal for use in both consumer and industrial applications.

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