CD214B-B340LF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	40V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	500mV @ 3A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	500µA @ 40V
Capacitance @ Vr, F:	250pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMB)
Operating Temperature - Junction:	-55°C ~ 125°C

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Introduction

The CD214B-B340LF is a diode rectifier, commonly used in the electrical and electronic engineering fields. It is a single-phase diode rectifier, which is most commonly used for high-frequency applications. This specific rectifier has become popular for a variety of applications, particularly due to its ability to provide high efficiency, low losses, and high input impedance. However, it is important to understand the basic workings of the device before making any decisions about its use in a system or circuit.

Application Field

The CD214B-B340LF is suitable for a variety of applications, including but not limited to thin-film applications, switching power supplies, and sub-miniature converters. Its characteristics make it well suited for ultrahigh-frequency electronic applications, such as high-speed switching, low-noise RF amplifiers, power factor correction, and voltage multiplication circuits.In addition to the higher frequency circuits, the diode rectifier can be used for high-power applications as well. This includes high-voltage transformerless power supplies, high-power pulse circuits, and motor-drive circuits. The CD214B-B340LF is also suitable for lighting applications such as streetlamps and stadium lighting.The device is also used as a replacement for silicon rectifiers in some applications. This is due to its ability to withstand higher temperatures and higher power levels. In addition, its low thermal resistance, fast switching speed, and low loss make it a good alternative to the traditional silicon rectifiers.

Working Principle

The CD214B-B340LF diode rectifier consists of two rectifying diodes placed opposite to each other. The device is connected to the AC power source, usually with the positive terminal connected to the anode and the negative terminal connected to the cathode.When an AC voltage is applied, one of the diodes becomes forward-biased, allowing electric current to flow in a single direction. When the voltage alternates and the current changes direction, the other diode is forward-biased and the electric current flows in the same direction as before. This ensures the current remains unidirectional.The main advantage of the CD214B-B340LF diode rectifier is the high input impedance of the device. This is because when the voltage alternates and the current changes direction, some of the energy is stored in the diodes as electric charge. This energy is then used to maintain the electric current in the same direction once the voltage has changed. This reduces the energy losses of the device to a minimum and also improves the output voltage stability.

Conclusion

The CD214B-B340LF diode rectifier is an ideal choice for a variety of applications, including high-frequency electronic circuits and high-power applications. It is capable of achieving a high input impedance, reducing energy loss, and providing a stable output voltage. Understanding the working principle of the device is important in order to make the best use of it in any system or circuit.

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