RS407L Discrete Semiconductor Products

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	1kV
Current - Average Rectified (Io):	4A
Voltage - Forward (Vf) (Max) @ If:	1V @ 3A
Current - Reverse Leakage @ Vr:	10µA @ 1000V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	4-SIP, RS-4L
Supplier Device Package:	RS-4L
Base Part Number:	RS407

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Introduction

Diodes are semiconductor electronics components with two terminals used for one-way current flow, and bridge rectifiers are diodes specially designed for usage in AC circuits. Diodes bridge rectifier RS407L is the combination of four standard rectifier diodes packaged together to form a single module. The RS407L module is designed for reliable performance with low forward voltage drop and is part of the RS400 series of rectifiers.

Application Field

The RS407L is an ideal solution for regulating power in offline AC/DC switching power supplies, as well as AC/DC applications including motor control and disk drive systems. The RS407L can help reduce total system power dissipation and improve overall efficiency. The low thermal impedance helps reduce parasitic losses and improves reliability. The RS407L is exceptionally effective for applications where high surge current is encountered.

Features

The RS407L offers several features that benefit applications including:

• Low forward voltage drop
• High temperature operating range
• High surge current capabilities
• Low thermal impedance
• High vibration and shock resistance

Working Principle

The RS407L is a full wave diode bridge that converters AC voltage to DC voltage. It contains four diodes arranged in a bridge configuration. The bridge rectifier will accept AC voltage at its input terminals, convert it to DC voltage and provide an output which is the same as the input in terms of magnitude but opposite in terms of polarity. The two diodes on either side of the AC input ensures that full wave rectification is performed. In the positive alternation, the current will flow through the diodes D1 and D4 and when current passes through D4 and is changed by D4 to DC, it will enter the load connected to the terminals of the rectifier. In negative alternation, the current will flow through the diodes D2 and D3 and changed by D3 to DC. The voltage across the load after the completion of a full cycle will be the same as the input alternating voltage.

Advantages

The RS407L bridge rectifier can provide higher performance and higher efficiency than a conventional bridge rectifier, with the following advantages:

• Reduced power loss in critical applications due to its low forward voltage drop
• High temperature operating range, making it suitable for high temperature environments
• High surge current capabilities, allowing it to handle large transient current loads.
• High vibration and shock resistance, making it suitable for environments with high levels of vibration and shock.
• Low thermal impedance, meaning less power will be lost due to thermal conduction.

Conclusion

The RS407L bridge rectifier is a reliable, efficient and cost-effective solution for AC/DC (alternating current / direct current) applications, and is suitable for applications that require high voltage, high current, and high frequency conversion and regulation. With its low forward voltage drop and low thermal impedance, it can help reduce total system power dissipation and improve overall efficiency. The RS407L is an ideal solution for applications where high surge current is encountered.

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