TV30C700JB-G Circuit Protection

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TV30C700JB-G is a type of unidirectional TVS (Transient Voltage Suppressor) diode with high peak pulse power capability and excellent clamping performance. The device is generally employed in multiple applications including power supply transient overvoltage protection, computer peripheral I/O protection, automotive and industrial control circuit protection, and other line interface circuit protection. It exhibits a rugged surface-mount construction making it a preferred device in most transient over-voltage protection applications.

The primary purpose of TV30C700JB-G is to protect sensitive equipment from over-voltage transients or other electrical or magnetic man-made or atmospheric disturbances. To ensure optimal performance, the device should be used as soon as possible after the onset of a voltage transient, meaning when the voltage exceeds the device\'s breakdown voltage or "clamping voltage" level. This is done by shunt-connecting or paralleling the TV30C700JB-G with the power line or signal line to be protected. The device then begins to act as a short circuit, clamping the voltage to a safe level and preventing any over-voltage condition from damaging the vulnerable equipment.

The TV30C700JB-G is an ideal protection device since it offers relatively low reverse leakage current, low forward voltage drop during operation, and excellent clamping and peak surge performance. The device characteristics are well matched to the typical application requirements on over-voltage protection. The device offers a low clamping voltage rating of less than 30 volts. The maximum peak pulse power rating is 700 Watts; whereas, the maximum operating frequency is specified to be 5 GHz. Further, the device has a high peak reverse surge current rating of up 2A.

The TV30C700JB-G’s low clamping voltage rating is important for over-voltage protection. It is possible to find TVS Diode devices with high clamping voltages, however over-voltage protection of critical electronic equipment requires low clamping voltage. The low clamping voltage is made possible by the patented non-linear PN diode, which provides a 2-junction low-voltage shunt. This low clamping voltage helps protect against voltage transients generated by motor starter contacts, relay contact noise, physical contact arcing and problems induced by noise spikes that may be induced by electrostatic discharge (ESD).

When mounted on a printed circuit board, the TV30C700JB-G device also provides superior heat-sinking capability through its dual-pin technology. It is conveniently constructed using an integrated bypass capacitor that is designed into the semiconductor package. In addition, the device has an integrated reverse voltage protection, which prevents any reverse current from flowing through the device.

In conclusion, TV30C700JB-G is a very useful protection device for many applications. It works by clamping the voltage to a lower level, preventing an over-voltage condition from damaging sensitive equipment. The device is also characterized by low reverse leakage current, low forward voltage drop during operation, and excellent clamping and peak surge performance. The low clamping voltage and maximum peak pulse power rating helps ensure optimal performance. This device is a preferred component in most transient overvoltage protection applications.

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