Series:	--
Packaging:	Tube
Part Status:	Active
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	100V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	1V @ 4A
Current - Reverse Leakage @ Vr:	5µA @ 100V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-SIP, GBU
Supplier Device Package:	GBU
Base Part Number:	GBU4B

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Diodes - Bridge Rectifiers: GBU4B-E3/45 application field and working principle

The GBU4B-E3/45 diode, also known as a bridge rectifier, is a versatile and reliable diode for a variety of applications. It is a four-terminal, single-phase rectifier designed for surface-mount applications. The device is capable of a very high forward current of 45 amps and has a peak reverse voltage of 400 volts.The GBU4B-E3/45 bridge rectifier can be used in a variety of applications, from AC mains to DC power supplies and motor control circuits, and is ideal for high-power applications. For example, it can be used for high-power industrial machines and robotics, and various electronic equipment including computers, gaming consoles, and electronic toys.The working principle of the GBU4B-E3/45 diode is based on the fundamental principles of rectification. In a diode rectifier circuit, the diode\'s aim is to block the flow of electricity in one direction while allowing it to flow in the opposite direction. This is accomplished via the arrangement of the four diodes forming the bridge rectifier, known as a bridge configuration. The bridge rectifier acts as a one-way valve, allowing current flow in one direction while blocking the flow of current in the other.When the applied AC voltage is positive, diodes D1 and D4 are forward biased and diodes D2 and D3 are reverse biased. Current will flow through D1 and D4 in a path from the positive AC source, through the load and back, creating "positive" output DC voltage. When the applied AC voltage is negative, D2 and D3 are forward biased and D1 and D4 are reverse biased. Current will then flow through D2 and D3 in a path from the negative AC source, through the load and back, creating "negative" output DC voltage. The full-wave bridge rectifier has the advantage of producing an output that is equal in both magnitude and polarity, allowing the load to see an output that is free of ripple and noise.The GBU4B-E3/45 diode also has an extremely fast response time, allowing it to withstand harsh switching conditions and enable reliable operations in high speed applications. The diode also has a peak surge current rating of 80 times its rated current, which allows it to handle brief over-current situations. The diode is also RoHS compliant, with a maximum operating temperature of 125°C.In summary, the GBU4B-E3/45 bridge rectifier is a versatile and reliable device well-suited for a variety of applications. It offers a high current rating of 45 amps, fast response time, and excellent surge handling capabilities. The diode is well-suited for applications in industrial machines and robotics, and various electronic devices including computers, gaming consoles, and electronic toys.

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