FFD04H60S Discrete Semiconductor Products

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The FFD04H60S is a diode rectifier rated at 400V and 4A used in a range of applications. It is part of a series of silicon diodes developed by Fairchild Semiconductor, with a focus on its efficiency and performance. The FFD04H60S is widely used in applications such as performance power supplies and DC/DC converters. This article will focus on the FFD04H60S application field and working principle.

FFD04H60S Application Field

Due to its manufacturability and low cost, the FFD04H60S is a popular choice for several applications in the power management field. It is often used in professional power supplies like adapters or lamp power supplies. Its anti-backflow, low turn-on/turn-off losses and temperature characteristics make it suitable for many applications where voltage spikes need to be controlled, such as DC/DC converters, bridges or voltage multipliers. In fact, the FFD04H60S is proving to be a capable and reliable diode in those contexts.

FFD04H60S Working Principle

The FFD04H60S is a fast recovery, free-wheeling diode with an average forward current of 4A and a repetition rate of 1KHZ. It is designed with a Vf of 400V and a Vr of 600V. As such, when a positive voltage is applied to the diode, the diode allows current to flow, while when a negative voltage is applied, the diode prevents any current flow. This simple principle enables a lot of power management applications, from the rectification of AC and DC power to unidirectional current control.

The FFD04H60S is built with a fast reverse recovery time, typically less than 100ns, which reduces the electrical noise at rectification. The fast recovery time and low turn-on/turn-off losses makes it suitable for applications where the rectified voltage must change rapidly, such as in bridge applications. Other features include a low forward voltage drop, high temperature operation up to 175°C and an overcurrent protection.

Conclusion

The FFD04H60S diode is a reliable and cost-effective device that is suitable for a range of applications. It has both low turn-on/turn-off losses and a fast reverse recovery time, making it great for applications where rectification needs to occur rapidly, such as in DC/DC converters, bridge rectifiers and voltage multipliers. This article has looked at the FFD04H60S application field and working principle.

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