MURT40040R

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Diodes - Rectifiers - Arrays provide a wide range of electronics components for power management, with the MURT40040R being no exception. A member of the DPAK (dual pack) family, the MURT40040R is a single-phase, 400 V, 4 A, ultrafast-recovery rectifier with integrated free-wheeling protection.

The device has a low forward voltage drop of only 1.2 V at 4 A and a fast reverse recovery time of 60 ns. It has a power dissipation of 3.25 W and an operating junction temperature range of -55 to +175 ℃, making it well-suited for use in applications with extreme temperature ranges. It is also AEC-Q101 qualified, meaning that it is suitable for automotive applications. It can also be used in telecom and power supplies, as well as an array of other areas of electronics.

The MURT40040R requires a minimum 100 μF output capacitance for normal operation. This ensures that the device can provide sufficient current when the load is switched on or off. As a result, the device ensures smooth switching transitions, allowing it to be used safely in applications with a high transition frequency.

The working principle of the MURT40040R rests on its internal structure, which consists of two N-channel MOSFETs connected in series. The N-channel MOSFETs act as a rectifier, with the N-channel MOSFET on the source side providing a blocked diode, and the one on the drain side providing an unblocked diode. When the input voltage is applied, the N-channel MOSFET on the source side provides a blocked diode and the N-channel MOSFET on the drain side provides an unblocked one. This allows current to flow from the source to the drain.

Additionally, the device has a free-wheeling protection built into its internal structure. This feature allows the device to handle large spikes in current by effectively \'shutting down\' the device whenever a large spike is detected. This helps to protect the device from damage due to overloads.

In conclusion, the MURT40040R is a versatile single-phase, 400 V, 4 A, ultrafast-recovery rectifier with integrated free-wheeling protection, suitable for a wide variety of applications. Its low forward voltage drop, fast reverse recovery time, and free-wheeling protection make it well-suited for use in demanding electronic applications, particularly automotive ones.

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