GBJ2004

Series:	--
Packaging:	Tube
Part Status:	Discontinued at Digi-Key
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	400V
Current - Average Rectified (Io):	20A
Voltage - Forward (Vf) (Max) @ If:	1.05V @ 10A
Current - Reverse Leakage @ Vr:	10µA @ 400V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-SIP, GBJ
Supplier Device Package:	GBJ
Base Part Number:	GBJ2004

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Introduction

A bridge rectifier is a type of diode typically used to convert AC current to DC current. Bridge rectifiers are useful in a wide range of applications, from simple power supplies to complex circuits and systems. The GBJ2004 is a four-terminal bridge rectifier designed to offer maximum efficiency and performance.

Structure and Principle

The GBJ2004 bridge rectifier has two LEDs on each side of the p-n junction. These LEDs help to control the flow of current, and the gross current is allowed to pass through the rectifier through the two parallel connection points. The two LEDs in the diode’s middle allow a small current to pass through them which glows when the diode is operating. This "small current" which flows through the LEDs is called the leak current, or reverse-bias current. This small current serves as a measure of the average power dissipated in the bridge. The current supplied to the bridge rectifier is known as the forward voltage (Vf). When the forward voltage is larger than the threshold voltage, the bridge is able to pass the forward current. The current dissipated in the rectifier is the difference between the current supplied and the current dissipated.

Applications

The GBJ2004 bridge rectifier has numerous applications in both industry and home electronics. It is commonly used in AC/DC power supplies, bridge amplifiers, inverters, voltage regulators, and switching power supplies. Additionally, the bridge rectifier is useful for general rectification purposes. The bridge rectifier is also used in the construction of transformers since it improves the efficiency of the components. For example, when a transformer is connected to a bridge rectifier, the switching losses are minimized, improving both the power output and the power savings. As a result, the load voltage is increased and the losses due to the switching process are reduced. In addition to these more traditional applications, the bridge rectifier can also be used in automotive applications. Bridge rectifiers are often used to convert AC to DC voltage in automobiles, allowing the engine to run without the use of a generator. The bridge rectifier also allows for better control of the starting and charging systems in cars.

Conclusion

The GBJ2004 bridge rectifier is a high-performance diode designed for use in a wide range of applications. It has a four-terminal design and two LEDs that help to control the leak current. Bridge rectifiers are used in AC/DC power supplies, inverters, voltage regulators, transformers, and automotive systems. The bridge rectifier provides efficient power conversion and helps to reduce switching losses in transformers, improving the efficiency and power output.

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