MDD255-18N1

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Configuration:	1 Pair Series Connection
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1800V
Current - Average Rectified (Io) (per Diode):	270A
Voltage - Forward (Vf) (Max) @ If:	1.4V @ 600A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	30mA @ 1800V
Mounting Type:	Chassis Mount
Package / Case:	Y1-CU
Supplier Device Package:	Y1-CU
Base Part Number:	MDD255

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MDD255-18N1 Application Field and Working Principle

The MDD255-18N1 is a rectifier array chip made by Matsuo electronics. This device is a versatile three-phase rectifier that can be used in devices such as power supplies and AC/DC adapters. In this article, we will discuss the application field and working principle of the MDD255-18N1.

Application Field

The MDD255-18N1 is mainly used in power supplies, AC/DC adapters, and power converters. It is an ideal choice for applications that require a high current rectifier array. It has been used by customers in many applications including personal computers, television sets, DVD players, and cell phones.

Working Principle

The MDD255-18N1 is a three-phase rectifier using MOSFET\'s (Metal Oxide Semiconductor Field-effect Transistor) as the active elements. The device consists of a total of 18 MOSFETs, arranged in 3 phases, each containing 6 MOSFETs. When power is applied to the gate of the MOSFET, it will conduct current and the current will flow from the source to the drain.The operation of the MDD255-18N1 follows the conventional operating principles of a three-phase bridge rectifier. When the AC input supply is turned on, the diodes will begin to conduct allowing current to flow through the diodes in the direction of the arrows. This current will then flow through the outputs of the MDD255-18N1 and will be rectified to the DC output.The advantages of using the MDD255-18N1 include an improved efficiency, a lower EMI (electromagnetic interference) emissions, a better surge current capability, and a smaller size as compared to conventional bridge rectifiers.

Conclusion

The MDD255-18N1 is a versatile three-phase rectifier array. It is commonly used in the power supply applications and in AC/DC adapters. The device is composed of 18 MOSFETs and operates by rectifying current through the MOSFETs when power is applied to the gate of the MOSFETs. The device offers several advantages over traditional bridge rectifiers including improved efficiency, lower EMI emissions, better surge current capability, and a smaller form factor.

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