BAS21WS-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	250V
Current - Average Rectified (Io):	200mA (DC)
Voltage - Forward (Vf) (Max) @ If:	1.25V @ 200mA
Speed:	Small Signal =
Reverse Recovery Time (trr):	50ns
Current - Reverse Leakage @ Vr:	100nA @ 200V
Capacitance @ Vr, F:	5pF @ 0V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323
Operating Temperature - Junction:	-55°C ~ 155°C
Base Part Number:	BAS21W

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What is BAS21WS-TP and how does it work?

BAS21WS-TP is a type of diode rectifier and forms the cornerstone of the increasingly popular “single-diode” or “full-wave” rectification technology. As a result, BAS21WS-TP has generated interest from a wide range of industries due to its various applications. In this article, we will discuss what BAS21WS-TP is and how it works.

BAS21WS-TP Overview

BAS21WS-TP is a single-diode rectifier consisting of a single pn-junction diode connected between the anode and cathode. It is usually constructed using a planar diffusion process and a polycrystalline semiconductor material. Depending on the type of semiconductor used, this diode can be optimized for different power handling capabilities. For example, a silicon-based diode can handle higher power levels compared to germanium-based diodes.

BAS21WS-TP Applications

Generally, BAS21WS-TP has a wide range of applications. Some of these can be summarized as follows:

• DC Power Conversion - BAS21WS-TP can be used to efficiently convert AC power input to DC power output.
• AC-DC Bridge Circuit Design - BAS21WS-TP can be incorporated into AC-DC bridge circuits for applications requiring bidirectional current flow.
• DC Motor Control - BAS21WS-TP can be used to accurately control the speed of DC motors.
• Lighting - BAS21WS-TP can be used in systems requiring a high-intensity light source such as in LCD displays.
• Switched Mode Power Supplies - BAS21WS-TP can be incorporated into switched mode power supplies (SMPS) for highly efficient power conversion.
• Uninterruptible Power Supplies - BAS21WS-TP can be used in uninterruptible power supplies (UPS) to ensure continuous power supply in the case of power outages.
• Electronic Toy Components - BAS21WS-TP can also be used in electronic toys as low-cost rectifiers for various functions.

As can be seen, BAS21WS-TP is a very versatile and powerful device and has a wide range of applications in both commercial and consumer electronics.

BAS21WS-TP Working Principle

BAS21WS-TP works by utilizing the rectification process. When the pn-junction diode is forward biased, the diode allows current to flow from the anode to the cathode. When the bias voltage is reversed, the diode stops the current flow and acts as an insulator. Depending on the type of diode and the reverse bias voltage, some current known as “leakage current” may still flow across the diode. As current passes through the diode, the voltage drop is more pronounced at higher currents compared to lower currents. This phenomenon is known as the “Voltage Regulation” effect. As such, the BAS21WS-TP can be used as a voltage regulator; its reverse bias voltage can be adjusted to maintain a relatively constant output voltage even if the input voltage changes. This makes the BAS21WS-TP a highly efficient and cost-effective regulator for applications such as power supplies and motor controls.

Conclusion

BAS21WS-TP is a type of diode rectifier which has found wide-ranging applications due to its various power handling capabilities. It is mainly used for DC power conversion, AC-DC bridge circuit design, motor control, lighting, and electronic toy components. BAS21WS-TP works using the rectification process; when it is forward biased, it allows current to flow across the pn-junction diode while blocking it when the bias voltage is reversed. The Voltage Regulation effect also allows BAS21WS-TP to act as an efficient voltage regulator.

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