151CMQ045

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Diode Configuration:	1 Pair Common Cathode
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	45V
Current - Average Rectified (Io) (per Diode):	150A
Voltage - Forward (Vf) (Max) @ If:	920mV @ 150A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	5mA @ 45V
Operating Temperature - Junction:	-55°C ~ 175°C
Mounting Type:	Chassis Mount
Package / Case:	TO-249AA (Modified), D-60
Supplier Device Package:	D-60

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Introduction

The 151CMQ045 is a rectifier array designed and manufactured by ON Semiconductor. It integrates four diodes within one convenient package. Each diode has been optimally designed to provide the highest levels of performance and reliability. The 151CMQ045 can handle high current temperatures and operate under a wide range of temperatures with an extremely low reverse leakage current and low forward voltage.

Application Field

The 151CMQ045 rectifying array is primarily used in applications that require high speed operations and are exposed to high levels of heat and current. The rectifying array is capable of switching rapidly and can be used for switched-mode power supplies, power converters, snubbers and voltage multipliers. It can also be used in high-efficiency inverters, UPSs, and AC-DC/DC-DC converters. The 151CMQ045 diode rectifying array is suitable for categories such as automotive, consumer, industrial, communications, and medical applications.

Design

The 151CMQ045 rectifying array features four independent diodes in a single surface-mount package. The dielectric is made of corrosion-resistant glass, while the terminals are made of galvanized steel. This allows the rectifying array to sustain high levels of temperatures and high voltage without any deterioration of the package or components. The diodes have a low forward voltage, which allows for reduced switch-on losses, improved efficiency and a higher system-level power density. The wide forward conduction angle also reduces ringing and switch-on losses as well as simplifies the design of the EMI filter. The diodes also feature a low reverse leakage current, which allows for improved competitiveness in the market due to improved reliability.

Working Principle

The 151CMQ045 diode rectifying array performs full-wave rectification, which converts AC power to DC power. This is accomplished by connecting a positive and negative terminal of the AC source to the anode and cathode of the diodes, respectively. When the negative terminal of the AC source is higher than the anode voltage of the diode, the diode will be in a reverse-biased condition, and no current will flow through it. When the negative terminal of the AC source is lower than the anode voltage of the diode, the diode will be in a forward-biased condition and conduction will begin, allowing current to flow through the diode. In a full-wave rectified circuit, the current flow will alternate between the two diodes, allowing for a full DC signal to be generated. This DC signal can then be used to power applications that require DC power. The 151CMQ045 is capable of providing high speed switching as well as high current and high temperature operation, making it an ideal choice for applications such as AC/DC power converters, power supplies, voltage multipliers, etc.

Conclusion

The 151CMQ045 rectifying array from ON Semiconductor is a highly efficient and reliable solution for applications that require AC to DC conversion. Its optimized design allows for high speed switching, low forward voltage, and low reverse leakage current, making it suitable for applications such as AC/DC power converters and voltage multipliers. Its robust design also provides excellent performance in high temperature and high current environments. The 151CMQ045 rectifying array provides a convenient and cost-effective solution for applications that require AC to DC conversion.

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