VDRH07D020TSE

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TVS - Varistors, MOVs are a form of overvoltage protection that absorb and reduce the peak energy of transient voltage. The VDRH07D020TSE is a unidirectional, two-terminal, non-metal oxide varistor (MOV) device used to protect against surge currents. It is designed to guard against voltage transient and impulse transients found on data and signal lines in a variety of applications.

VDRH07D020TSE can mainly be used in power supply, LCD display, LED lights, solar electronics, car electronics, service monitoring equipment, switch modules, base station monitoring systems and other application fields. It is widely used in hardware and software protection, sheltering system and other fields.

The working principle of VDRH07D020TSE is based on the semiconductor metal-oxide materials that are used to make the varistor. Varistors are constructed with two layers: a pair of P-type semiconductors. The outer layer contains Zinc Oxide as the active material with a diffusion agent to control the resistive value on the device. The inner layer contains a charge producing material such as Tin Oxide or Aluminium Oxide.

When a surge of high voltage or current passes through the components of the VDRH07D020TSE, the metal oxide layer will reduce the voltage level. The current flows into the P-type semiconductor through the metal-oxide material, then deflects from the junction portion of the harder material, so it can lower the large electric energy into small electric power which accelerates the release of electric energy from the device.

In addition, The VDRH07D020TSE has extremely low clamping voltages, fast response time and high surge current capability. The device is RoHS compliant and operates over a wide temperature range from -55°C to 105°C. This makes it highly reliable and able to meet high voltage applications.

In conclusion, the VDRH07D020TSE device provides efficient and reliable protection against voltage transients and surge currents which makes it a popular choice for power supply, LCD display, LED lights, solar electronics, car electronics, service monitoring equipment, switch modules, base station monitoring systems and other application fields. The durable metal-oxide material, low clamping voltages, fast response time, high surge current capability and wide operating temperature range make it a reliable and efficient device for surge protection.

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