V421HB34

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TVS - Varistors, MOVs are devices best known as transient voltage suppressors. They are typically used in high voltage applications such as switching power supplies, data communication, and industrial equipment, where their role is to limit the amount of voltage that goes through the circuit. The V421HB34 is a particular varistor designed to protect circuits from transient spikes of up to 15 kilovolts.

Varistors work on the principle of variable resistance. They contain an sintered ceramic disc that has an extremely high Resistance-Area (RA) product. When the voltage on the device is higher than the defined threshold, the resistance of the ceramic material decreases drastically, thereby allowing the voltage spike to be absorbed. This ensures that the voltage does not exceed the tolerance level of the electrical components.

V421HB34 transistors are designed for single use applications and feature a wide operating temperature range from -55°C to +110°C. This makes them suitable for environments and applications requiring enhanced reliable and temperature stable operation. The device also has a compact form factor of 7.5 x 7.5 x 6mm, making it ideal for high density applications.

The device is able to provide fast response within 100 nanoseconds and shields against electrostatic and lightning shocks as per IEC61000-4-2 (ESD) standards. It also features an integrated thermal disconnect which ensures the device self-destructs in case of an overload in order to protect other components of the circuit. This makes it one of the best choices for designers looking for robust and reliable protection in high voltage applications.

Overall, the V421HB34 Varistor is a well-rounded device with all the features and specifications required to be used in high voltage circuit applications. With its small form factor, fast response time, and integrated thermal disconnect feature, it provides an effective solution to protect critical components of the circuit from transient spikes and electrostatic shocks.

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