VDRH20X300BSE

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TVS or transient voltage suppressors are commonly used in power electronics for surge and over-voltage protection. Varistors, MOVs and other over-voltage protection components are in wide use to protect electronic devices against voltage surges. The VDRH20X300BSE is an important device in this category. It is a special type of varistor or MOV with two terminals and can handle a surge current of up to 20 A. One of its main features is its wide operating voltage range with excellent high frequency noise immunity.

Applications

The VDRH20X300BSE is suitable for a wide range of applications, such as power supplies, motors, industrial equipment, lighting systems, digital systems, etc. Its compact size, high surge current handling capacity and wide operating voltage range (7-7 VAC/DC) makes it an ideal choice for use in protection circuits of delicate electronics. It is also highly suitable for use in automotive systems, where surge voltage protection is of great importance.

Working Principle

The working principle of the VDRH20X300BSE is based on the principle of voltage dependent resistors (VDRs). It is a non-linear device that contains two terminals. When a sudden spike in voltage occurs, the device immediately creates a low-resistance path across the two terminals, allowing the excess energy to be safely dissipated. This helps to protect the circuit from damage. It also has high breakdown immunity so that it can handle large transient voltage spikes without sustaining any damage itself.

Conclusion

The VDRH20X300BSE is an important component in power electronics for surge and over-voltage protection. Its wide operating voltage range, high surge current capacity, and high breakdown immunity make it a suitable choice for a variety of applications, including protection circuits of sensitive electronics and automotive systems. It is an effective device that is able to offer reliable protection against voltage surges.

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