GBU404

Series:	--
Packaging:	Tube
Part Status:	Active
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	400V
Current - Average Rectified (Io):	4A
Voltage - Forward (Vf) (Max) @ If:	1V @ 2A
Current - Reverse Leakage @ Vr:	5µA @ 400V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-SIP, GBU
Supplier Device Package:	GBU
Base Part Number:	GBU404

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.Introduction
The GBU404 is a bridge rectifier diode that can be used for both AC and DC applications. It is a fast recovery, low-forward voltage drop device and is designed to provide fast switching and low power dissipation. It is suitable for use in general rectification, motor control, and in most other power circuit applications. The GBU404 is a cost-effective solution for AC/DC rectification, making it a popular choice for a variety of applications.
Physical Construction
The GBU404 is a four-terminal bridge rectifier diode. It features a pair of leads connected to two diodes, each of which are then directly connected to the other two leads of the diode. The physical construction of the device is designed to enable fast switching with low power dissipation. The four terminals are typically labeled with the letters A, B, C, and D. The A and D terminals are connected to the anode of each diode, while the B and C terminals are connected to the cathode of each diode.

Circuit Design
The GBU404 bridge rectifier diode is typically used in a bridge rectifier circuit, which can be easily constructed using other components. The primary components of the bridge rectifier circuit are the bridge rectifier diodes, as well as several resistors connected in series. A capacitor is also typically included for filtering and smoothing the output voltage. Once the circuit is properly constructed, it can then be connected to an AC source, such as a wall outlet. When the circuit is energized, the AC voltage will be rectified, and the output voltage will be DC.

Working Principle
The working principle behind the GBU404 bridge rectifier diode is relatively simple. The two diodes act as thyristors, or switches, that switch on and off depending on the applied voltage. When the AC voltage is positive, the A-D diode will be forward-biased and therefore switch on, allowing current to flow from the A terminal to the D terminal. At the same time, the B-C diode will be reverse-biased and therefore switch off, preventing current from flowing from the B terminal to the C terminal. When the voltage is negative, the A-D diode will be reverse-biased and switched off, and the B-C diode will be forward-biased and thus switched on, allowing current to flow from the B terminal to the C terminal.

Applications
The GBU404 bridge rectifier diode is primarily used for general rectification, motor control, and other power circuit applications. It is a fast-switching and low-power-dissipating device, making it a cost-effective solution for AC/DC rectification. In addition, it can be easily implemented in various designs, making it a versatile component for a wide variety of applications. The GBU404 is also one of the most popular diodes for motor control, as it provides a fast response to the changing needs of motor applications.

Conclusion
The GBU404 bridge rectifier diode is suitable for both AC and DC applications, making it a versatile component for a variety of designs. It features a fast switching and low power dissipation, making it a cost-effective solution for rectification. It can be easily integrated into various power circuit applications, and it is particularly well-suited for motor control applications. The GBU404 is a fast-switching and low power dissipation device, making it an ideal component for a variety of applications.

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