V12P45-M3/87A

Series:	Automotive, AEC-Q101, eSMP®, TMBS®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	45V
Current - Average Rectified (Io):	4.3A
Voltage - Forward (Vf) (Max) @ If:	580mV @ 12A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	1mA @ 45V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	TO-277, 3-PowerDFN
Supplier Device Package:	TO-277A (SMPC)
Operating Temperature - Junction:	-40°C ~ 150°C

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Introduction

The V12P45-M3/87A is a single-diode rectifier, a common type of rectifier used in circuits. Rectifiers are key components in many electronic circuits and are used to convert alternating current (AC) input into direct current (DC) output. Understanding the fundamentals of rectifiers and this particular rectifier is essential in circuit design. This article will examine the application field of the V12P45-M3/87A rectifier and its working principle.

Application Fields of V12P45-M3/87A

The V12P45-M3/87A rectifier is most commonly used in applications requiring a moderate current capacity with a low forward drop. It is a simple, cost-effective solution for most non-regulating rectifying applications. It is capable of delivering up to 0.9 A of continuous forward current, combined with a low forward voltage drop of 0.45 V at 25°C. It is particularly useful in designs where power dissipation is a concern because of its low thermal resistance. It has a peak repetitive reverse voltage of 800 V and a non-repetitive surge reverse voltage of 1400 V. In addition, the V12P45-M3/87A is suitable for various power management applications such as AC-DC adapter applications, automotive electronics and LED lighting systems, as well as general low-power power supply applications. In LED lighting systems, it can withstand a significantly higher forward current over time, making it an attractive solution for LED systems requiring an efficient rectification.

Working Principle of V12P45-M3/87A

The V12P45-M3/87A rectifier works based on the principle of rectifying alternating current (AC) to direct current (DC). Rectification is the process of converting an AC input signal into a DC output. In the case of this particular rectifier, the AC input is converted to a DC output with a lower voltage. At its simplest level, the rectifier consists of two diodes connected together in a circuit such that the output voltage is always lower than the input voltage. In practice, the input AC is applied to the anode of the first diode and the cathode of the second diode. As the AC passes through the two diodes in a single direction, it is converted to a DC current. This process is known as “full-wave rectification”. The V12P45-M3/87A rectifier can also be used to rectify AC current with higher voltages, such as 400 or 800 Volts. In this case, two or four diodes are used instead of two. The diodes are connected in series and parallel so that the output voltage is always lower than the input voltage. This type of rectification is known as “bridge rectification”.

Conclusion

The V12P45-M3/87A is a single-diode rectifier, which is commonly used in circuits requiring a moderate forward current and a low forward voltage drop. Its application field is in AC-DC adapters, automotive electronics, LED lighting systems, and power supplies. Its working principle is simple, as it takes an AC input and rectifies it to a DC output. Bridge rectification is possible with the V12P45-M3/87A, which makes it a good solution for higher voltage DC applications.

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