CEFB204-G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	2A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 2A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	35ns
Current - Reverse Leakage @ Vr:	5µA @ 400V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMB)
Operating Temperature - Junction:	150°C (Max)
Base Part Number:	CEFB204

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Introduction

A diode rectifier performs the same basic task of rectification, but it uses air gaps or electrical components to allow alternating current to travel through more readily. The CEFB204-G is a common type of single-phase diode rectifier, and it is used in a wide variety of applications ranging from power supplies, to lighting systems, to automotive and aerospace systems.

Application Field

The CEFB204-G diode rectifier is commonly used in applications such as AC/DC converters, power supplies, and circuits with higher current needs such as lighting systems, automotive systems, and aircraft. It is suited for applications where a small size footprint is desired, and offers a low forward voltage drop and low reverse leakage current, making it suitable for power conversion operations on the scale of watts to kilowatts.The CEFB204-G can act as a rectifier, a converter to reduce AC power to DC power, a driver for inductive loads, and a voltage regulator. It also offers optimized temperature performance, with its thermally enhanced construction.

Working Principle

The basic diode rectifier circuit consists of two diodes arranged in such a way that one acts as a rectifier while the other acts as a back-up rectifier. When AC voltage is applied, the voltage appears across the two diodes. The rectifying diode conducts current when the applied voltage is higher than its forward threshold voltage, and the other diode will remain reverse biased, allowing current to flow only in one direction. The voltage waveform is filtered and clipped before being rectified, to allow for a more efficient rectification process.The CEFB204-G diode rectifier works on the same basic principle, with two main components: a current conduction device and an isolation component. The current conduction device is the actual rectifying diode, which comprises a conductive cathode and an anode, which is separated from the cathode by a thin, air gap. The isolation component is a separate component, typically made of insulation material, which acts as a barrier between the two sides of the circuit, preventing any current flow across the two.

Advantages

The CEFB204-G diode rectifier offers many advantages, such as its small size, low forward voltage drop, low reverse leakage current, optimized thermal performance, and ability to provide high output power. The CEFB204-G also provides a low output ripple and can be used in applications such as AC/DC converters, power supplies, and circuits with higher current demands. Its design makes it suitable for applications that require a small size footprint, making it convenient for applications with limited space.

Conclusion

The CEFB204-G diode rectifier has a broad application range due to its ability to provide efficient rectification, high output power, low output ripple, and small size footprint. It is a commonly used component in power supplies, lighting systems, automotive and aerospace systems, and AC/DC converters. Its low forward voltage drop, low reverse leakage current, and optimized thermal performance make it an attractive choice for many applications.

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