V48MLA1206NT

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TVS (Transient Voltage Suppressors) and Varistors (Metal-Oxide Varistors, MOVs) are similar devices which are used to protect electronic and electrical circuits from voltage transients due to varying loads, over-voltage surges, lightning strikes, etc. The V48MLA1206NT is a type of MOV designed for protection against transient over-voltage, providing an efficient circuit solution with low capacitance. Here is an overview of the working principle of the V48MLA1206NT, its application field and specifications.

V48MLA1206NT Working Principle

The V48MLA1206NT is a low-capacitance thermally-enhanced MOV designed to protect against transient over-voltages. The device is based on a metal oxide varistor, which is essentially a semiconductor device consisting of two or more terminals connected to an electrode and a ceramic mass containing metal oxide. When a voltage greater than the breakdown voltage is applied, the movement of electrons and holes across the junction between the electrode and the ceramic mass result in an increased electrical current flow.

When the applied voltage reaches a certain level (the “clamping voltage”), the varistor activates and begins to clamp the voltage, diverting the current away from the sensitive components of the circuit. This helps reduce the effects of over-voltage surges and other transient voltages, providing reliable protection for the circuit. When the transient voltage is no longer present, the metal-oxide varistor will automatically reset itself, allowing the circuit to return to its normal state.

V48MLA1206NT Application Field

The V48MLA1206NT is designed for use in a wide variety of applications that require transient over-voltage protection. Common applications include industrial control circuits, telecommunications, computer, consumer electronics, automotive and aviation systems, etc. The device is also suitable for a wide range of operating temperatures, making it well suited for use in extreme environments.

The V48MLA1206NT has a maximum clamping voltage of 16.9V and a maximum operating temperature of 105°C. The device is UL recognized and is compliant with the RoHS Directive. The V48MLA1206NT also features a low capacitance rating of 150pF, helping ensure that the device does not introduce any additional noise or distortions in the circuit.

Conclusion

The V48MLA1206NT is a type of metal oxide varistor designed for protection against transient over-voltage. The device is ideal for a wide range of applications, from consumer electronics to industrial control circuits, and is UL recognized and RoHS compliant. With its low capacitance rating and robust design, the V48MLA1206NT is a reliable and cost-effective solution for transient surge protection.

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