240NQ040 Datasheet/PDFDiodes - Rectifiers - Single
The 240NQ040 is a diode rectifier designed for high current, fast switching applications. This component is useful for providing full or half-wave rectification in applications such as power supplies, DC-DC converters, crowbar circuits, inverters, and in smoothing applications.
The 210NQ040 is a 400V, 40 Amp device with a low forward voltage drop, making it ideal for high-current applications with minimal voltage loss. In these applications the diodes typically function as the rectifying element. The diode has a low reverse-drain-source leakage current and a high junction temperature rating, making it suitable for fast switching and high current, high temperature applications.
The device is an ultra-fast, low Loss general purpose rectifier, offering superior forward and reverse surge capability. It operates over a -65 to +175C temperature range, and has a low junction-to-case thermal resistance of 3.2C/W, allowing for excellent thermal dissipation even at high current levels. In addition, the diode features a fast recovery time for both positive and negative voltage spikes, ensuring reliable performance without compromising the speed of the system.
Application Field
The flexibility of the 210NQ040 makes it suitable for a variety of applications. It is commonly used in switch mode power supplies and inverters, with its low forward voltage drop ensuring minimal voltage loss. The device is also suitable for DC-DC converters, conversion from AC to DC, and other high current, fast switching applications.
The 210NQ040 can be used as a bridge rectifier for dc to dc conversion. The device also finds use in high speed converters, smoothing out or filtering audio or power signals, or as a general-purpose rectifier for power supply designs. With its low forward voltage drop, high current packaging and fast recovery time, the 210NQ040 is the ideal rectifying element for high current applications where reliability and performance are paramount.
Working Principle
The 210NQ040 operates on the same principle as other diodes. It consists of a PN junction, which allows current to flow in only one direction. This is known as forward-biased current, or rectified current. When a voltage is applied to the diode, current flows through the diode if the voltage is greater than the threshold voltage. The threshold voltage is determined by the junction capacitance of the diode.
When the polarity of the voltage applied to the diode reverse, current is inhibited and the diode is in the reverse-biased state. The diode acts as an open circuit, allowing no current to flow. The amount of current that can flow through the diode depends on the reverse breakdown voltage of the diode. When the reverse breakdown voltage is exceeded, the current increases rapidly until the diode reaches maximum current.
The 210NQ040 is designed to be used as a general purpose rectifier. In its forward biased state, it allows current to flow when the voltage applied is greater than the threshold voltage. The diode is designed to withstand high currents and voltages due to its low forward voltage drop and high junction temperature rating. When reverse biased, the diode acts as an open circuit and no current flows.
Conclusion
The 210NQ040 is an ideal choice for high current, fast switching applications. Its low forward voltage drop, low reverse-drain-source leakage current, high junction temperature rating, fast recovery time, and low junction-to-case thermal resistance makes it an excellent choice for a variety of applications.