V680LA100C

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A varistor or voltage-dependent resistor (VDR) is a component used to protect circuits from voltage transients that occur in the system. The V680LA100C is a series of varistors designed to safely absorb and dissipate unwanted transient voltages without introducing any additional deleterious effects to the circuit.

The V680LA100C is a fast-acting Metal Oxide Varistor (MOV) that is designed to protect against transient over-voltages. This varistor is designed to handle a maximum peak AC voltage of 680V and a maximum DC voltage of 850V. The varistor is rated at 100A nominal and 150A maximum peak surge current capability at 8/20 μs waveform. It is also engineered with a variety of protrusions in order to ensure that it can resist strong mechanical shock or vibration.

The varistors main application field is to protect AC power and data lines from transients. It can also be used to protect delicate electrical components from voltage spikes that can cause damage and degrade performance of the equipment. The V680LA100C is designed for use in power supplies, industrial automation, lighting and many other applications that require reliable protection from transient over-voltages.

The varistor’s working principle is based on the voltage-dependent resistive characteristic of metal-oxide ceramics. When the varistor is subjected to a voltage surge greater than its rated voltage, the ceramic material conducts and the varistor voltage-dependent resistor starts to reduce the incoming voltage. The rate at which the voltage is reduced is dependent on the size of the surge, the voltage-dependent resistor’s resistance and the impedance of the connected circuit.

As the voltage increases, the metal-oxide begins to efficiently conduct and the rate of voltage reduction increases rapidly. Once the over-voltage reaches the maximum rated voltage, the varistor begins to act as a short circuit. This dissipates the excess energy quickly while allowing the other components of the system to continue functioning as normal.

The V680LA100C is a robust, cost-effective varistor that can be used in a variety of systems to protect against transient over-voltages. It is designed to operate efficiently and reliably in the most extreme conditions and allow other components of the system to continue to operate normally. This is an important feature as transient over-voltages can cause significant damage to unprotected electronics.

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