M5KP51A

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The M5KP51A is a 5.1 kilovolt transient voltage suppressor diode designed for use in high-transient protection applications.

These TVS-Diodes are designed to protect sensitive electronic equipment from transient over-voltage conditions. They can provide protection against electrostatic discharges (ESD) along with lightning surges, inductive/transient over-voltage caused by switching and magnetic effects. These diodes are commonly used across different industries, such as automotive, telecom, aerospace, and other industrial applications.

The M5KP51A utilizes a three-terminal configuration, consisting of an anode, cathode, and gate. The gate is used to provide a relatively low voltage turn-on threshold that ensures minimal current conduction across the device until an over-voltage transient is detected. Once an over-voltage condition is detected, the gate conducts current to give a charge injection or current flow between the anode and cathode, shunting the high transient to ground and away from the system.

These diodes can be used in an array of different applications, such as automotive CMOS processors, input protection on DC/DC converters, and transient protection for ISDN or T-1 type systems. The sensitivity is set to around 1.3 volts, and the robust surge capability is approximately 5.1 kilovolts. The body diode of the device offers some protection from peak currents of up to 250 amperes, and it can be clamped to reduce secondary breakdown.

The M5KP51A is an ideal diode for any high-transient protection application. It is a versatile and cost-effective solution for protecting sensitive electronic equipment from over-voltage conditions. With its robust surge capability, it can provide reliable protection for a variety of applications, from automotive CMOS processors to input protection on DC/DC converters.

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