VDRH14V385BSE

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The VDRH14V385BSE is a double-layer metal-oxide varistor, typically classified as a TVS (transient voltage suppressor). This device is designed to respond quickly to large, transient voltage spikes, acting to protect other sensitive components. When it encounters excessive voltage, the VDRH14V385BSE quickly changes from a low resistance, quasi-static state to a very high resistance state. This prevents the voltage from rising and entering the protected circuit.

Using a two-layer form of metal-oxide material as the resistive layer, the VDRH14V385BSE is able to offer a wide variety of resistances when compared to single-layer varistors. The two-layer design provides superior protection against fast-transitioning spikes, as well as excellent temperature stability and excellent thermal shock resistance. Additionally, the VDRH14V385BSE is able to pass relatively large transient currents without the risk of permanent damage.

The VDRH14V385BSE’s maximum energy rating is 370 joules, and it is rated to operate between -10 degrees Celsius and 80 degrees Celsius. Its rated DC voltage is between 14 and 385 volts, and its capacitance is between 6.7 and 59 nanofarads. These characteristics make the VDRH14V385BSE well-suited for over-voltage and surge protection in equipment such as consumer electronics, inverters, security systems, and battery-backed radio systems.

The VDRH14V385BSE is designed to protect voltage-sensitive components from spikes and surges. When exposed to excessive voltage, the resistive layer of the varistor quickly changes from a low-resistance, quasi-static state to a very high resistance state, preventing the voltage from entering the protected circuit. This minimizes the risk of damage to the protected components, and ensures optimal performance.

The working principle of the VDRH14V385BSE is quite simple. When exposed to excessive voltage, the metal-oxide varistor’s resistive layer quickly changes from a low resistance state to a high resistance state. This prevents the voltage from entering the protected circuit, and also prevents the metal-oxide layer from being permanently damaged. The VDRH14V385BSE is well-suited for use in applications such as inverters, security systems, consumer electronics, and battery-backed radio systems, where its superior protection against transient voltage spikes and thermal shock resistance is of utmost importance.

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