BAV21,133

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	200V
Current - Average Rectified (Io):	250mA (DC)
Voltage - Forward (Vf) (Max) @ If:	1.25V @ 200mA
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	50ns
Current - Reverse Leakage @ Vr:	100nA @ 200V
Capacitance @ Vr, F:	5pF @ 0V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	ALF2
Operating Temperature - Junction:	175°C (Max)
Base Part Number:	BAV21

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Introduction

The BAV21,133 regulating diode is a single-diode rectifier, meaning it is designed to convert alternating current (AC) to direct current (DC). It can also be used to regulate electric current in circuits. BAV21,133 regulating diodes are made of low-cost glass, metal or ceramic materials, and have a power rating of 500 mA. BAV21, 133 regulating diodes have the following features which make them a great choice for both high-voltage and low-voltage circuits:

• Lowest Forward Voltage Drop (Vf).
• High Reverse Voltage Blocking Capability.
• High Surge Current Handling Capability.
• High Reliability.

Operation Principle

BAV21,133 regulating diodes are used to convert alternating current (AC) to direct current (DC) and to regulate electric current in circuits. The device is composed of two terminals, an anode and a cathode. The anode terminal is connected to the positive voltage source, and the cathode terminal is connected to the negative voltage source. When current passes through the device, an electric field is created across the junction. This electric field induces a current in the opposite direction from that of the original current, thus providing a ‘reverse’ current, known as the ‘reverse biased current’. The reverse bias current allows for the regulation of current in the circuit.

Working Principle

BAV21,133 regulating diodes are most commonly used in bridge rectifiers, which are used to convert AC input to DC output. When an AC voltage is applied to the four diodes of a bridge rectifier, they conduct at different times according to their respective peaks, thus allowing current to flow in both directions. The BAV21, 133 regulating diode then regulates this current, ensuring that only DC current exits the circuit.

Applications

BAV21,133 regulating diodes are widely used in various industrial, consumer and automotive applications. Some of the most common applications include power supplies, rectified AC-DC conversion for electronic circuits, voltage regulators, motor drives, switching AC-DC converters, LED displays and lighting, battery chargers and other consumer electronics.

Conclusion

BAV21,133 regulating diodes are a single-diode rectifier and regulator which can be used to convert AC to DC and to regulate current within a circuit. They are widely used in many industrial, consumer and automotive applications and are known for their low-cost, high reliability and high reverse voltage blocking capacity.

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