444CNQ040

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Configuration:	1 Pair Common Cathode
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	40V
Current - Average Rectified (Io) (per Diode):	220A
Voltage - Forward (Vf) (Max) @ If:	530mV @ 220A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	20mA @ 40V
Operating Temperature - Junction:	-55°C ~ 125°C
Mounting Type:	Chassis Mount
Package / Case:	PRM4
Supplier Device Package:	PRM4 (Non-Isolated)

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Introduction to the 444CNQ040 Rectifier Array

The 444CNQ040 rectifier array is an integrated package used in power systems. Its purpose is to reduce the need for individual rectifier components and the associated extra wiring. The rectifier array performs the function of rectifying AC power to DC power with fewer components and provides superior noise immunity, stability and reliability.

Application Fields

The 444CNQ040 rectifier array is ideally suited for automotive and heavy truck applications, including fuel injector/ignition systems and airbag/antilock brake systems. It is also used in medical, and industrial applications, including light source, UPS and power supply systems, as well as in military and aerospace applications.

Working Principle

The 444CNQ040 rectifier array is a 4-channel Schottky Diode device. It is comprised of four independent 50V Schottky barrier diodes that are connected in a bridge configuration. The bridge rectifier is used to convert alternating current (AC) to direct current (DC). The device is composed of a P-type, an N-type and two lightly doped semiconductor regions (Schottky barriers) connected in series. When an AC voltage is applied to the 444CNQ040 rectifier array, the P-type and N-type regions of the diode switch off alternately, allowing current to flow through the device only when the Schottky barrier is forward biased. The device thus acts as a rectifier, converting the AC input voltage to DC.The advantage of using a rectifier array over individual rectifier diodes is that it eliminates the need for extra wiring, provides cleaner DC power and improves reliability. The device also features superior leakage current and reverse breakdown voltage characteristics. It can handle surges of up to +400V.

Conclusion

The 444CNQ040 rectifier array is an integrated device used in power systems for rectifying AC to DC power. It is a 4-channel Schottky diode device and provides superior noise immunity, stability and reliability. The device is well suited for automotive, heavy truck, medical, industrial and military applications and can handle surges of up to +400V. It also eliminates the need for extra wiring and provides cleaner DC power, improving reliability.

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