B72650M0271K094

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TVS - Varistors, MOVs: B72650M0271K094 Application Field and Working principle

TVS (Transient Voltage Suppressors) are voltage limiting devices used to protect electronics from transient pulses caused by lightning, inductive switching, or clamping due to power inductive loading. The TVS can be categorised into two broad groups depending on structure and functionality; Varistors and MOVs. In this article, we will be discussing the application field and the working principle of B72650M0271K094, a MOV (Metal Oxide Varistor) belonging to the MOV category.

MOVs (Metal Oxide Varistors), as the name implies, are made up of a multi-layer structure composed of metallic oxide-filled varistors. The working principle of a MOV is quite simple. When the MOV is subjected to a voltage surge or EMP (electromagnetic pulse), the MOV’s varistors conduct current, which causes the voltage to drop and protects the device from damage. MOVs have a wide range of applications in areas such as consumer electronics, medical instruments, automotive, communications and industrial equipment.

B72650M0271K094 is a MOV and it is designed for use in applications that require voltage protection. This MOV has a low capacitance of 22pF, a wide operating voltage range of 27 to 90V, and a very low On-state resistance of 0.87Ω. This device can be used for ESD suppression, EMI suppression, EFT suppression, and lightning protection. The device is also double-sided; the leads on one side of the unit are connected to the circuit board on the other side of the unit. As such, this device provides excellent protection against high-voltage pulses.

The working principle of B72650M0271K094 is quite straightforward. When there is a surge in voltage due to lightning, inductive switching, or a clamping due to power inductive loading, the MOV’s varistors conduct current, causing the voltage to drop. As the current passes through the varistors, the voltage across them rises, allowing the MOV to absorb the current and thus limiting the voltage. This process helps to protect the device from damage caused by the voltage transient.

In conclusion, B72650M0271K094 is a MOV designed for protecting devices from overvoltage transient. The MOV has a wide range of applications in areas such as consumer electronics, medical instruments, automotive, communications and industrial equipment, and its working principle is based on the movement of current through the MOV’s varistors. This process helps to limit the voltage and thus provide protection from damage caused by voltage transients.

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