CSD18511KCS

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A CSD18511KCS MOSFET, or metal-oxide semiconductor field-effect transistor, is an active field-effect transistor developed by Vishay Intertechnology. The device is a single N-channel enhancement-mode MOSFET suitable for load switching and signal level translation in medium and low voltage applications. In this article, we will discuss the application field and working principle of the CSD18511KCS.

Application Field of CSD18511KCS

The CSD18511KCS is a N-channel MOSFET designed for medium and low voltage applications. It is mainly suitable for load switching and signal level translation in battery-powered systems, uninterruptible power supplies (UPS), and solar inverters. The device is available with a wide range of package options, including the DFN2020-8, the TO-220, and the Heavy Duty TO-220 package.

The CSD18511KCS has a gate voltage rating of -25 to 15 volts, a drain current of 11 A, and a drain-source voltage of 140 V. Its operating temperature range is -55°C to +175°C, making it ideal for applications in extreme conditions. The device has very low on-state resistance of 5.8 mΩ maximum, excellent thermal stability, and good RDS(on)-temperature performance. This makes it suitable for applications such as load switching and power converters for electric vehicles, medical equipment, and USB chargers.

Working Principle of CSD18511KCS

As an N-channel enhancement-mode MOSFET, the CSD18511KCS is a three-terminal device: gate, drain, and source. Applying a positive voltage between the gate and source terminals turns the transistor on, thereby allowing current to flow from the drain to the source. A negative voltage between the gate and source turns the transistor off, preventing the flow of current between the drain and source.

The CSD18511KCS is a voltage-controlled device. The gate-source voltage controls the amount of current that flows between the drain and source terminals. The on-state resistance (RDS(on)) is the resistance between the drain and source terminals when the MOSFET is turned on. The RDS(on) of the CSD18511KCS is 5.8 mΩ maximum, making it suitable for high-efficiency load switching applications.

The CSD18511KCS has a maximum drain current rating of 11 A, making it suitable for high-current applications. It also has a drain-source voltage rating of 140 V, making it ideal for medium and low voltage applications. The device has excellent thermal stability, and its operating temperature range is -55°C to +175°C.

Conclusion

The CSD18511KCS is a N-channel enhancement-mode MOSFET suitable for load switching and signal level translation in medium and low voltage applications. The device is available in a range of package options, has a gate voltage rating of -25 to 15 volts, a drain current of 11 A, and a drain-source voltage of 140 V. The device also has a very low on-state resistance of 5.8 mΩ maximum, excellent thermal stability, and good RDS(on)-temperature performance, making it suitable for high-efficiency load switching applications in extreme conditions.

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