FQPF9N30

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FQPF9N30 Application Field and Working Principle

FQPF9N30 is a single-channel Field Effect Transistor (FET) designed to function as a high side switch and is specially designed for use in automotive applications. This FET was developed to offer superior ruggedness and performance in harsh environment conditions, such as extreme temperatures and high voltage. It meets the requirements of AEC-Q101 standard with a qualified Automotive Grade, providing reliable operation in a wide range of environmental conditions.

Application Field

The FQPF9N30 is designed for use in multiple automotive applications where current needs to be switched, such as powertrain and engine control, start/stop and temperature systems, ABS and Antilock braking systems, engine control and fuel systems, powertrain systems, power steering and braking systems, air-bag systems, and traction systems. FQPF9N30 is also a suitable choice for high side switching applications in industrial, medical and telecom applications.

Working Principle

The FQPF9N30 is a N-Channel enhancement-type MOSFET; it means that voltage applied to the gate controls the flow of current between the source and the drain terminals. When no voltage is applied to the gate, the FET is in the “Off” state, blocking any current flow. When voltage is applied to the gate, the FET will be switched “On”, allowing current to flow between the source and drain terminals. It should be noted that the applied gate voltage must be higher than the threshold voltage of the FET to ensure proper switching. The threshold voltage of the FET should be taken into considerations when adjusting gate voltage on the application.

Current Limitation and Operating Temperature Range

The FQPF9N30 is capable of operating currents up to 30 Amps and can withstand a wide range of operating temperature between -55°C to 175°C. The FET has an integrated temperature sensor which can be used to monitor the temperature level for system protection. The FQPF9N30 also has an integrated current limitation circuit which is designed to protect the device from exceeding current level set point.

Package and Mechanical Construction

The FQPF9N30 comes in the TO-220 package that measures 9.7mm(L) x 4.7mm(W) x 4.0mm(H). This package is resistant to shock and vibrations, making the FET suitable for robust applications in automotive, aerospace, industrial and telecom systems. The device has an optimized gate charge for fast switching and provides low on- resistance for increased efficiency. The TO-220 package also offers an easy and secure mounting on PTH plates, PCBs, and surface mounting boards.

Conclusion

The FQPF9N30 is a single-channel FET device ideal for high side switching applications in automotive, telecom, aerospace and industrial systems. It is designed to offer excellent ruggedness and performance in harsh environmental conditions and is capable of operating currents up to 30 Amps. The FET comes in a reliable TO-220 package, with integrated temperature sensor and current limitation circuit. It provides low on-resistance for increased efficiency and fast switching. With the FQPF9N30 single-channel FET, engineers can create robust and reliable switching solutions with ease.

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