RSB12JS2T2R Circuit Protection

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Transient Voltage Suppression Diode, commonly referred to as a TVS diode, is a type of diode designed to protect sensitive electronics from dangerous overvoltage transients, which often occur due to power supply faults, lightning strikes and similar events. TVS diodes are widely used, and can be found in a variety of applications, such as automotive, telecommunications and industrial electronics.

The RSB12JS2T2R TVS Diode is a bi-directional bi-polar surface mount transient voltage suppressor diode which has been developed with low dynamic and leakage current in order to protect modern electronic equipment. It offers fast and accurate protection against voltage transients. This TVS diode has an operating distance of 12V and 600W peak pulse power.

In terms of its application field, the RSB12JS2T2R TVS Diode is used to protect low voltage wired/wireless communication lines such as USB, RS232, Ethernet, as well as data and signal lines in general. Additionally, this TVS diode is suitable for very low voltage applications including end-point protection for Keyboard, Audio, and Battery input lines. It is also suitable for 5V logic gates and 3.3V charge pumps.

The working principle of the RSB12JS2T2R TVS Diode is based on the process of avalanche breakdown, in which a large amount of current flowing through the diode junction is limited by a very thin layer of doping material. It is this breakdown of the depletion layer that prevents dangerous voltage transients from damaging the protected electronics. During normal operation, the voltage across the junction is below the nominal breakdown voltage and the diode behaves like an open circuit. However, when the voltage across the junction reaches or passes the preset breakdown voltage, the diode rapidly switches on, conducting current and limiting the voltage. The circuit then returns to its normal operating state.

In summary, the RSB12JS2T2R TVS Diode is a bi-directional bi-polar surface mount transient voltage suppressor diode that is used for low voltage wired/wireless communication line protection, end-point protection for Keyboard, Audio, and Battery input lines, as well as 5V logic gates and 3.3V charge pumps. It offers fast and accurate protection against voltage transients due to its operating distance of 12V and 600W peak pulse power, and works by limiting current with a very thin layer of doping material in order to prevent dangerous voltage transients from damaging the protected electronics.

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