V441HA32

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Varistors, or voltage-dependent resistors (VDRs), are quick and cost-efficient solutions for protecting your equipment from over-voltage conditions. The V441HA32 from LRC is a great example of this type of surge protection device. This application note will provide an overview of the V441HA32\'s application field and working principle.

The V441HA32, a MOV type varistor, is used in a variety of protection applications, such as in DC power supplies, ITE AC power supplies, telecommunications, and in industrial applications. It is specifically designed for inrush current protection in SMPS circuits, and for high energy discharge protection in lightning-prone environments. It can also be employed in protection applications where a fast reaction time is required, such as in power-line surge protection.

The V441HA32 has a bidirectional, voltage-dependent design that provides over-voltage protection with an impressive energy absorbing capability. This feature ensures that the device can be used in high-energy applications, such as in lightning protection and in surge protection. The V441HA32 also features excellent temperature stability and low parasitic inductance, making it ideal for higher power applications.

The V441HA32 works by allowing a small, adjustable current to pass through its bidirectional, voltage-dependent design. The device is designed to open when the voltage exceeds its rated peak pulse voltage, allowing the excess current to be dispersed without damaging the protected equipment. The varistor is designed to close again once the surge current has been dissipated, thereby restoring the circuit to its normal operating conditions.

The V441HA32 is a highly reliable device with a rated life of 10,000 hours at full load. It offers superior protection from short-duration transients and is designed for use in a wide range of applications. Its compact size and light weight make it ideal for a variety of applications, from telecommunications to consumer electronics.

The V441HA32 is a versatile, cost-effective surge protection solution that can be used in a variety of applications. It is designed to provide reliable, over-voltage protection in lightning-prone environments, and it can also be used to protect against inrush currents in SMPS circuits. With its impressive energy absorbing capability, excellent temperature stability, and low parasitic inductance, the V441HA32 is an ideal choice for high-power applications.

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