CDBB140LR-HF

Series:	--
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	40V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	450mV @ 1A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	500µA @ 40V
Capacitance @ Vr, F:	120pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMB)
Operating Temperature - Junction:	-50°C ~ 150°C

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CDBB140LR-HF belongs to a family of diodes and rectifiers called the single diodes and rectifiers category. This article will explain the application field and working principle of the CDBB140LR-HF.

Application Field of CDBB140LR-HF

The CDBB140LR-HF rectifier can be used in a variety of applications, including bridge rectifiers, flyback diodes, free-wheeling diodes, and many more. It can also be used in different types of power supplies, like DC-DC and AC-DC converters. Its low forward voltage drop and wide operating temperature range makes it suitable for use with both high-current and low-current applications.

Working Principle of CDBB140LR-HF

The CDBB140LR-HF functions as a rectifier by using a semiconductor material, which acts as an electronic switch. This is possible due to the fact that the semiconductor has two types of regions. It has a P-type region, where holes are the dominating charge carriers, and a N-type region, where electrons are the dominating charge carriers. When a voltage is applied between the anode and cathode of the semiconductor material, it creates a PN junction. This PN junction allows current to flow in only one direction, from cathode to anode. The electric field created by the applied voltage will attract electrons to the P-type region, where they combine with holes and leave the N-type region. This results in the creation of an accumulation region, which prevents current from flowing in the opposite direction. In addition to this direct current blocking, the CDBB140LR-HF also has an additional diode, which helps to reduce inductive losses. This extra diode is connected to the anode and passes current only in one direction, thus helping to reduce the inductive losses due to the inductance of the primary winding in a flyback converter.As can be seen from the above, the CDBB140LR-HF works by creating a PN junction and blocking current from flowing in the opposite direction. In addition, it also has an extra diode, which helps to reduce inductive losses.

Conclusion

In conclusion, the CDBB140LR-HF is a rectifier that is used in a variety of applications, ranging from bridge rectifiers to flyback diodes and AC-DC converters. Its low forward voltage drop and wide operating temperature range makes it suitable for use with both high-current and low-current applications. In addition, it also has an extra diode, which helps to reduce inductive losses.

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