MASMCGLCE80A Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are designed to protect sensitive electronic equipment against the damaging effects of electrical transients. The MASMCGLCE80A is a silicone TVS diode, specifically designed to protect sensitive electronics from spikes and surges. This device is designed to be used in applications such as industrial controls, telecom systems, electricity over Ethernet networks (PoE) and automotive designs.

The MASMCGLCE80A offers superior transient protection behind surges and spikes. It has an operational voltage of 40 V and a clamping voltage of 81 V. It is reverse-leakage current rated at approximately 1 µA at 25°C. The diode can also handle up to a maximum peak pulse current of 140 A, enabling it to protect against even the most severe of transients.

The working principle of the MASMCGLCE80A is based on the idea of a voltage-dependent resistor (VDR). When a surge occurs, the diode\'s gate voltage reaches a predetermined level, and the device is activated. This causes the silicon junctions in the diode to act as a PN junction, creating an electric field that increases exponentially as the voltage across the PN junction increases. This increases the flow of current as the surge voltage increases. The MASMCGLCE80A is also designed to protect from over-voltage conditions as well.

The device provides excellent clamping performance, with an overvoltage protection of up to 81 V peak. The internal resistance of the device provides additional protection against high-frequency transients which can often be difficult to suppress. The design also allows for easy installation and connection, reducing installation costs significantly.

The MASMCGLCE80A is a highly reliable, cost-effective solution for protecting sensitive electronics from the damaging effects of electrical transients. Its features make it ideal for industrial controls, telecom systems, PoE networks, and automotive applications. The superior clamping ability helps to ensure that transient events do not cause any damage to the protected equipment, and the low leakage current provides an extra layer of protection.

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