MUR240

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MUR240 Application Field and Working Principle

Introduction

The MUR240 is a high voltage, fast-acting, bidirectional, Uni-directional surge protective diode with a PIV of 250V. It is designed for Transient Voltage Suppressors (TVS) applications. This diode is designed to protect sensitive electronic equipment from voltage surges caused by electrostatic discharge, lightning, and other voltage abnormalities.

Application Field

The MUR240 is used in a wide variety of applications, including electrical and electronic equipment, automotive, industrial, and consumer electronics. It can also be used in AC/DC power supplies and for differential mode services.

The MUR240 is particularly well-suited for circuit protection applications, such as Reverse Battery Protection, Electronic Circuit Over-Voltage Protection, EMI/RFI Filtering/Port Protection, and AC/DC Power Line Over-Voltage Protection.

Working Principle

The MUR240 works by clamping either a positive or negative voltage spike. It consists of two diodes, each with its own pins that are connected to the positive and negative voltage lines respectively. The resistance of the diodes is low when the voltage difference between the positive and negative sides is below the diode\'s threshold voltage. When the difference increases, the resistance rises and suppresses any signals above the threshold.

In a surge protection application, the MUR240 works by clamping the voltage as the waveform period of the surge passes, effectively preventing electrical damage to the protected equipment. It does this by keeping the voltage across the circuit below a specified level for a specified duration. This limits any surge energy that may be present and helps to protect sensitive equipment.

Conclusion

The MUR240 is an excellent solution for protecting sensitive electronic equipment from voltage surges. It is a fast-acting diode with a high PIV and is designed for circuit protection applications. It works by clamping either a positive or negative voltage spike and limiting the voltage across the circuit. With its wide range of applications, the MUR240 is an ideal choice for protecting your electronic devices.

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