V385LA40B

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Transient Voltage Surge Suppressors (TVS) are components used to protect electronic circuits from electrical overstresses. They are typically used in applications where the input voltage may vary rapidly in value or polarity. This type of protection is important in ensuring that the output of a circuit remains within the desired range for an optimal operation. In the case of Varistors, MOVs (Metal Oxide Varistors) and TVS, all these components are often used to provide circuit protection from short-term, high voltage transients.

The V385LA40B is a Metal Oxide Varistor (MOV) designed to provide protection from overvoltage transients. This device is an active component which works by absorbing and clamping the transient voltages which are applied to the line. This device has a high surge capability and is designed to be used in a wide range of applications. The device is available in both surface mount and plastic package types.

The V385LA40B has an inductive rated voltage of 385VAC, and a capacitance range of 25pF-3800pF. It has a standard operating temperature range of -40 to +85°C, and a maximum operating temperature range of -40 to +85°C. This device is rated for Maximum Clamping Voltage @ 8/20µs pulse over a range of 40V to 480V and Maximum Peak Current @ 8/20µs pulse of 200A. It has a maximum leakage current of 10mA, and a peak current capability of 400A.

The V385LA40B features a zinc oxide based MOV (Metal Oxide Varistor) with a voltage-dependent capacitive (V-C) characteristic. This characteristic is used to protect against transient overvoltages or surges of voltage in a variety of application areas. This device is able to absorb and limit the amount of high energy hit during surge or transient events.

The working principle of this device is quite simple. Once the voltage across the MOV exceeds its breakdown voltage, the device activates and starts clamping the voltage. This reduces the overvoltage transient and prevents any more damage to the circuit. As the V385LA40B can sustain high surge currents, it can protect against high voltage levels without triggering a surge protector circuit.

The V385LA40B is an ideal protection device for a variety of electrical and electronic applications. It is widely used in audio and video equipment, home appliances, telecommunication equipment, automotive electronics, lighting and HVAC equipment, and other various electronic circuits. This device is also ideal for use in power distribution systems for transient protection of circuit components.

In conclusion, the V385LA40B is a reliable and effective device capable of providing robust protection against overvoltage transients. This device is designed with a robust zinc oxide MOV, and a voltage-dependent capacitive (V-C) characteristic that can absorb and limit high energy transients. This device is a good choice for a variety of applications, including audio and video systems, home appliances, telecommunication equipment, lighting and HVAC equipment, and power distribution systems.

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