VDRS07H420TSE

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Varistors are electronic components that provide voltage regulation to protect against the formation of overvoltage or over-current events. This type of protection is necessary to ensure the safety and reliable operation of electrical and electronic systems.VDRs (metal-oxide varistors) are designed to be used in applications such as appliance protection, motor protection, and even circuit protection.

The VDR07H420TSE is a type of varistor designed for a wide range of applications. It has a maximum operating voltage of 420 Volts and a maximum capacitance of 7.2 pF. It is housed in a TO-220 package, making it ideal for space conservative applications. The varistor has a minimum insulation resistance of 10,000 Megaohms, providing high protection against leakage currents. Additionally, it has a high peak pulse current of 16 kA, providing a high level of circuit protection.

The VDR07H420TSE varistor uses a metal oxide semiconductor (MOS) technology to form a non-linear junction that provides voltage regulation. It uses a ceramic element capacitor, consisting of two metal layers and a dielectric that can sustain a wide range of voltages. The ceramic component is sandwiched between two ceramic plates, creating the MOS junction and allowing for the variation in voltage and capacitance.

When the voltage exceeds the threshold set by the plates, the MOS junction will rapidly reduce the voltage, absorbing the excess energy and preventing damage to the system. The varistor also monitors the current in the system and will reduce the voltage if the current level exceeds the threshold, even if the voltage is below the threshold. This added protection makes the VDR07H420TSE a great choice for motor protection, circuit protection, and for providing stable operation in any application where overvoltage or over-current is an issue.

The VDR07H420TSE is an excellent choice for applications that require over-current and over-voltage protection. Its low profile housing allows it to be used in space-constrained applications, while its high performance makes it a great choice for any system. Its high insulation resistance ensures that there will be no leakage or dissipative currents, while its high peak-pulse current rating makes it perfect for motor and circuit protection.

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