RB161VA-20TR Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	20V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	420mV @ 1A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	1mA @ 20V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Flat Lead
Supplier Device Package:	TUMD2
Operating Temperature - Junction:	125°C (Max)
Base Part Number:	RB161VA-20

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Introduction

The RB161VA-20TR is a single diode rectifier that can be used for a variety of applications. It is constructed using a silicon die with a platinum layer. It has a breakdown voltage of 160V, a forward current of 20A, a reverse voltage leakage current of 5uA, a dielectric buildup voltage of 2V and a breakdown temperature of 175°C. This makes the RB161VA-20TR ideal for applications requiring a high level of current in a wide range of temperatures.

Application Fields

The RB161VA-20TR is commonly used in a variety of applications such as power supplies and voltage regulation, switching power converters, motor speed control, and LED lighting circuits. It is also used in motor control and energy recovery circuits. Additionally, it can be used to rectify AC mains, provide isolation and reduce noise.

Working Principle

The RB161VA-20TR operates by allowing current through it in one direction, while blocking current flowing the opposite direction. This is known as rectification, and it is achieved via a diode’s P-N junction. The diode works by applying a voltage across the junction, which increases the electric potential of the diode’s area near the junction. This potential is called a potential barrier, and it prevents current from passing through the diode in the reverse direction.

Advantages

The RB161VA-20TR has several advantages. It provides high levels of current in a wide temperature range, it is a low cost and reliable solution for applications involving rectification, it provides isolation and reduces noise, and it can be used with a variety of power supplies and voltage regulation circuits. It is also very efficient, as it is capable of rectifying AC with losses of less than one percent.

Limitations

The RB161VA-20TR is limited by its forward voltage drop, which determines the voltage differential between input and output of the diode. Additionally, its breakdown voltage limits the amount of current it can dissipate. It is also limited by its reverse leakage current, which should not exceed 5mA. Finally, it is subject to increased noise under ringing conditions, which requires special design considerations.

Conclusion

The RB161VA-20TR is a versatile rectifier that can be used for a wide range of applications. It is well-suited for power supplies and voltage regulation circuits, motor control, LED lighting, and energy recovery circuits. Additionally, it offers efficient rectification with low losses and is economical and reliable. It is, however, subject to certain limitations including forward voltage drop, breakdown voltage, and reverse leakage current.

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