RDK85840XX

Series:	*
Part Status:	Obsolete

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Introduction

The RDK85840XX is a single, high-efficiency, low-noise and fast-recovery rectifier diode designed to provide efficient power conversion in a wide variety of applications. The diode was developed from the company\'s film-assisted diode technology, which allows a low thermal resistance, making the diode ideal for applications where heat is an issue. This includes automotive, industrial, medical and consumer applications where noise, efficiency and reliability are critical.

Application Field

The RDK85840XX can be used for a wide variety of applications including AC-DC rectification, power conditioning, point-of-load (POL) power converters, power-line noise suppression, and wireless power applications. Additionally, the device is suitable for use in hybrid electric vehicles (HEV) and electric vehicles (EV) systems, power distribution systems, LED lighting, and power circuit protection solutions.

Features and Benefits

The RDK85840XX has a number of features and benefits, making it ideal for many applications. The device has a fast recovery time of 200 nanoseconds for a 175V breakdown voltage. It is also capable of handling up to 20 amperes of forward current, which is ideal for current-intensive applications. The device can also operate at a wide range of temperatures, from -55°C to +150°C.The thermal resistance of the device is also low, which helps to reduce the amount of heat generated in the application. This allows the RDK85840XX to operate reliably in situations where heat can become an issue. The device also has a low noise threshold, which is beneficial for applications where noise is an issue.

Working Principle

The RDK85840XX works using an internal switch that is activated by a voltage differential across the diode. When the voltage differential exceeds the diode’s breakdown voltage, an electrical current passes through the diode and the diode turns on. The current then transfers from one terminal of the diode to the other, allowing the diode to conduct.The current is controlled by the charge transfer between the electrodes, which is affected by the immediate dynamics of the electrical field. When the voltage differential between the two electrodes drops, the diode turns off and the current stops flowing. This allows the diode to function as an efficient and reliable rectifier, making it a suitable choice for many applications.

Conclusion

The RDK85840XX is a great choice for applications where noise, reliability, and efficiency are the key concerns. The device can operate in temperatures ranging from -55°C to +150°C and can handle up to 20 amperes of forward current. The diode also has a low thermal resistance and a low-noise threshold, making it ideal for a wide variety of applications, including AC-DC rectification, power conditioning, point-of-load power converters, power-line noise suppression and wireless power applications.

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