BU1010A-E3/45

Series:	--
Packaging:	Tube
Part Status:	Active
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	1kV
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 5A
Current - Reverse Leakage @ Vr:	5µA @ 1000V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-SIP, BU
Supplier Device Package:	isoCINK+™ BU
Base Part Number:	BU1010

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Diodes - Bridge Rectifiers - BU1010A-E3/45 Application Field and Working Principle

Bridge rectifier circuits have existed since the late nineteenth century and have been used in a variety of different radio, television, and computer circuit configurations. They are now essential for modern-day communication applications, power supplies, and charge controllers. The BU1010A-E3/45 is a bridge rectifier from Diodes Incorporated, suitable for a wide range of electronic applications. This article will discuss the various fields of application for the BU1010A-E3/45 and its working principle.

Application Fields of the BU1010A-E3/45

The BU1010A-E3/45 is a single-phase, surface mount, DC/AC bridge rectifier. It has a reverse voltage of 1000VDC and a forward current, I F (AV), of 3.2A. The peak pulse current is 30A, and the storage temperature range is from -55°C to +150°C. In addition, the junction capacitance is 8.6pF, the thermal resistance from junction to case (R j-case) is 300K/W, and the electrical life is 9000 hours. These characteristics of the BU1010A-E3/45 make it suitable for a range of applications. In particular, it is popular in telecommunications systems, DC/DC power converters, AC/DC and DC/DC power supplies, snubber circuits, and general rectification applications. It can also be used in a wide range of consumer electronics: battery chargers, AC/DC adapters, solar controllers, inverters, and UPS systems.

Working Principle of the BU1010A-E3/45

The BU1010A-E3/45 is composed of four 5.0A bipolar junction power diodes. A bridge rectifier is essentially a circuit composed of four diodes in a bridge configuration. The bridge rectifier is a half-wave rectifier, meaning that it converts AC power into DC power by allowing current to flow through it in only one direction. The circuit works as follows: When the alternating current (AC) voltage is zero results a blocking state, the four diodes D1-4 are in an OFF state. When the AC voltage begins to rise, D1 and D2 will enter a conducting state. D3 and D4 will remain OFF as the junction potential of D3 is lower than the applied voltage. As a consequence, current will flow from terminal A through D1, then to terminal C and back again to the other terminal B via D2.When the AC voltage reaches its peak amplitude, the direction of current will invert. D2 and D3 will enter a conducting state and D1 and D4 will be OFF. In this fashion, by connecting a load to the terminals A and B of the rectifier, a resulting DC voltage will appear across the load.

Conclusion

Bridge rectifiers are a vital component of many modern-day electronic circuits. The BU1010A-E3/45 bridge rectifier from Diodes Incorporated is a single-phase, surface mount, bridge rectifier that is suitable for a variety of application fields, such as telecommunications systems, consumer electronics, DC/DC power supplies and converters, solar controllers, and more. By using four 5.0A bipolar junction power diodes, it is able to convert AC power into DC power by using a half-wave rectification technique. Understanding the working principle of a rectifier is key to designing efficient and reliable electronic circuits.

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