FR85KR05

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Standard, Reverse Polarity
Voltage - DC Reverse (Vr) (Max):	800V
Current - Average Rectified (Io):	85A
Voltage - Forward (Vf) (Max) @ If:	1.4V @ 85A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	500ns
Current - Reverse Leakage @ Vr:	25µA @ 100V
Capacitance @ Vr, F:	--
Mounting Type:	Chassis, Stud Mount
Package / Case:	DO-203AB, DO-5, Stud
Supplier Device Package:	DO-5
Operating Temperature - Junction:	-40°C ~ 125°C

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Introduction

The FR85KR05 is a single rectifier diode designed specifically for rectifying high-current AC or DC signals and is largely employed in signal processing applications. The device supports a wide range of operating parameters and allows for efficient signal conversion without introducing distortions in the output signal. Additionally, the FR85KR05 is capable of handling large currents, making it suitable for use in a variety of circuits and applications where high-current rectification is needed.

Typical Applications

Given its capability to efficiently rectify high-current AC or DC signals without introducing distortions in the output signal, the FR85KR05 is well-suited for a range of signal processing applications. These include applications such as switch mode power supplies, frequency converters, DC-DC converters, rectification of sinusoidal AC signals, rectification of wide range AC signals, high-side current sensing and other high-current rectification tasks.

Features

The FR85KR05 is designed to provide improved power efficiency and signal conversion repeatability, when compared to other similar products. The device features a number of key features that offer improved flexibility and operational reliabilities. These features include:-Wide operating range: the device is designed to operate efficiently even at wide varying inputs and outputs.-High breakdown voltage: the device is capable of handling up to 250 V reverse voltage without affecting its performance.-Low forward voltage drop: the device offers a forward voltage drop of less than 1V.-High-temperature tolerance: the device is able to operate up to a maximum junction temperature of 125°C without any loss in performance.-Low saturation voltage: the device has a low saturation voltage, making it suitable for use in circuits that involve high currents.-High reliability: the device is built using a highly reliable design, ensuring low levels of failure even under extreme operating conditions.

Working Principle

The FR85KR05 rectifier diode is basically an electrical component that allows current to flow in one direction only. This is achieved by creating a barrier between two regions of opposite polarity and eliminating the possibility for current to flow in the opposite direction. The device consists of a PN junction, a semiconductor junction between a P-type material and an N-type material, which facilitates this blocking of current.When a forward bias voltage is applied across the junction, the current flow is allowed and the barrier is removed. As the bias voltage increases, the current flow also increases. Conversely, when a reverse bias voltage is applied, the barrier is retained and the current flow is blocked. Additionally, the PN junction can also store electric charges, which further helps in blocking the current flow and ensuring the one-way current flow is maintained.

Conclusion

The FR85KR05 rectifier diode is designed to efficiently rectify high-current AC or DC signals without introducing distortions in the output signal. It has been designed to operate within a wide range of input and output parameters, with a breakdown voltage of up to 250V and a low forward voltage drop rate. Its design has been highly optimized to allow for high performance, while also ensuring the device is highly reliable and easy to use. The device is widely employed in a variety of applications where high-current rectification is needed, including switch mode power supplies, frequency converters, DC-DC converters and more.

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