VAR-18160550M5P-XK

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VAR-18160550M5P-XK is a multilayer varistor designed to suppress transient overvoltages. It is enclosed in a compact, low profile SMD package, designed to be applied to a printed circuit board. It belongs to the TVS (Transient Voltage Suppressor) family of electronic components and Varistors, MOVs (metal oxide varistor) in particular.

What are Varistor, MOVs?

Varistors and MOVs (metal oxide varistor) belong to the family of electronic components named TVSs (Transient Voltage Suppressors). They are designed to protect sensitive electronics from potential damage due to sudden surges in voltage. Varistors and MOVs are nonlinear, voltage-dependent devices. They have high current carrying capabilities and are designed to absorb excess voltage when the system is subjected to transient overvoltage.

VAR-18160550M5P-XK Application Field and Working Principle

The VAR-18160550M5P-XK is designed for use in a wide range of applications, from industrial automation, semiconductor, telecommunications, aviation and medical equipment, to consumer electronics like air-conditioners and home appliances. It is also suitable as surge protection for automotive electronics.

The VAR-18160550M5P-XK is typically designed to activate at an overvoltage level (maximum peak voltage) of 18V, thus providing protection from transients up to 18V, as well as protecting against over-currents and over-temperatures. The maximum current rating is 50mA, and the maximum energy rating is 5mJ.

Its working principle is based on the current-voltage characteristic of the varistor material. The voltage at which it operates depends on the varistor material characteristics, as well as the applied current and temperature of the environment. When an overvoltage occurs, the varistor material dissipates the water-downed surge energy, thus protecting the equipment from potential damage.

The VAR-18160550M5P-XK is a Low Inductance Varistor (LIV) type component specifically designed for EMI/RFI applications. It has low inductance values, which do not create any additional common-mode noise. The varistor is designed to operate with AC signals up to 500kHz.

Conclusion

The VAR-18160550M5P-XK is a multilayer varistor designed to suppress transient overvoltages. It belongs to the family of electronic components known as TVSs (Transient Voltage Suppressors) and specifically to the Varistors, MOVs (metal oxide varistor) type. It is suitable for use in both industrial and consumer products, and is designed to absorb excess voltage when the system is subjected to transient overvoltage.

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