1.5KE62AHE3_A/C

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1.5KE62AHE3_A/C Application Field and Working Principle

TVS (Transient Voltage Suppressor) diodes are widely used in power supplies, computers, communications, and consumer electronics. The device helps protect circuits from voltage spikes such as electrostatic discharge (ESD) and other forms of transient noise.

TVS diodes are also called clamping diodes or surge suppressors and are used to prevent or limit damage from overvoltages caused by lightning strikes, electric surges, or other sources. They provide a fast, easy, and cost-effective way to protect circuits from damage caused by overvoltages or other transient events.

TVS diodes typically have a breakdown voltage that is greater than the maximum continuous operating voltage of the circuit. When an overvoltage transient event occurs, current will flow through the diode, suppressing the transient and preventing damage to the circuit. The diode is designed to redirect excessive current away from the circuit, but will allow normal operating current to flow into the circuit.

TVS diodes are available in a variety of configurations and ratings. The most common configuration is the avalanche diode, which is a simple p-n junction diode with a threshold breakdown voltage. When the voltage across the diode exceeds the threshold value, current will flow through the diode and the voltage will be “clamped” at the threshold value. The maximum voltage the diode can handle is called the “clamping voltage”.

In addition to the avalanche diode configuration, TVS devices are also available in Zener diode configurations. A Zener diode is a special type of diode that has a constant breakdown voltage regardless of the current flow through the diode. This makes them ideal for use in protection circuits, where the exact breakdown voltage is important.

TVS diodes can also be used in combination with other devices such as fuse holders, metal oxide varistors (MOVs), and resettable fuses to create more complex protection circuits. These circuits can be used to protect circuits from high voltage transients, and can also be used to limit current in overcurrent situations.

In conclusion, TVS diodes are an essential component of any power supply or circuit that needs to be protected from overvoltage transients. They provide a fast and easy way to protect circuits from overvoltages, and are available in a variety of configurations and ratings.

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