P4KE400-G Circuit Protection

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A Transient Voltage Suppressor Diode (TVS) is a specialized type of diode that is designed to protect sensitive electronic devices from transient (short-duration) voltage fluctuations and over-voltages. The P4KE400-G Transient Voltage Suppressor Diode is one of the most popular types of TVS-diodes available on the market today, due to its superior performance and cost-effectiveness.

In general, the P4KE400-G is designed specifically to protect electronic components and circuits from high-voltage, short-duration transients in power supplies, EMF (electromotive force) and EMI (electromagnetic interference). They are capable of absorbing up to 400 volts of power while protecting sensitive components from over-voltage conditions. The P4KE400-G TVS-diode is rated for a Peak Pulse Power of up to 8.0W, making it ideal for high-power applications.

The P4KE400-G TVS-diode is most commonly used in telecommunications systems, industrial controls, DC to DC converters, automotive applications, and any other system or circuit in which short-duration, high-voltage transients must be dealt with. In addition, the P4KE400-G is also used in circuits that are subject to high-voltage “spikes”, such as those from lightning strikes.

The working principle of a TVS-diode is simple. When a voltage exceeds the P4KE400-G’s rated breakdown voltage, the diode begins to conduct, allowing the excess voltage to dissipate harmlessly to ground. This prevents the voltage from reaching the protected circuit, and helps to prevent damage to sensitive components in the circuit. The P4KE400-G also features a dynamic resistance characteristic - the lower the voltage, the lower the resistance, and the faster the device can respond to sudden changes in voltage.

In conclusion, the P4KE400-G TVS-diode provides superior protection for sensitive electronic components and circuits from high-voltage, short-duration transients. It has a wide range of applications in telecommunications, industrial, automotive, and other systems. The device features an excellent dynamic resistance characteristic, allowing it to respond quickly to sudden changes in voltage, and protect the circuits from over-voltage conditions.

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