TV50C200JB-G Circuit Protection

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TV50C200JB-G is a type of transient voltage suppressor (TVS) diode, which is designed to protect against voltage transients, specifically electrical overstress (EOS). These devices are commonly used in the automotive, computer, consumer electronics, and communications industries, among others.

A TVS diode works by clamping the voltage to a certain level, thereby protecting the underlying circuit element from potential damage. The device consists of a rectifying diode, held reverse biased, and connected in series with a Zener diode. When the incoming voltage rises above the breakdown voltage, the Zener diode begins to conduct, limiting the voltage of the circuit, while the rectifying diode conducts in the opposite direction, preventing back flow.

TV50C200JB-G is specifically designed for applications where the amount of energy that needs to be absorbed exceeds the power dissipation limit of an individual chip. It has a breakdown voltage of 50V and a maximum clamping voltage of 200V. Its working voltage range encompasses from -8 V to 250 V.

The device is intended for use in automotive, industrial, and consumer electronics applications, including automotive chargers, 12V automotive inputs, Ethernet ports, etc. It is also capable of absorbing ESD pulses of up to 30A. The device\'s high reverse breakdown voltage and low stand-off voltage make it ideal for use in automotive and industrial applications, where transient voltage may be high or unpredictable.

In terms of working principles, the device can absorb energy up to a maximum of 0.5J above the clamping voltage, depending on the voltage waveform and the number of pulses. After the energy of the voltage transient is dissipated in the TVS device, the voltage across the device is then clamped to its stand-off voltage. The device automatically "resets" itself after the transient, allowing the circuit to return to its normal functionality.

TV50C200JB-G is an excellent choice for the applications mentioned above, due to its high energy absorption capabilities, low stand-off voltage, and wide operating voltage range. By providing a reliable and efficient way to protect against voltage transients, the device can help ensure the safety and longevity of the circuits in which it is used.

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