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NTTFS4939NTAG

NTTFS4939NTAG Description

The NTTFS4939NTAG is a high-performance N-Channel Metal Oxide Semiconductor Field-Effect Transistor (MOSFET) manufactured by onsemi. It is designed for applications requiring high power dissipation and efficient switching. With a drain-to-source voltage (Vdss) of 30V, it can handle continuous drain currents of 8.9A at 25°C (Ta) and 52A at case temperature (Tc). The device is mounted on a surface mount package, making it suitable for compact and space-constrained designs.

NTTFS4939NTAG Features

• Input Capacitance (Ciss): The NTTFS4939NTAG has a maximum input capacitance of 1979 pF at a drain-source voltage (Vds) of 15V, ensuring fast switching and minimal signal distortion.
• Gate Charge (Qg): With a maximum gate charge of 28 nC at a gate-source voltage (Vgs) of 10V, this MOSFET minimizes power loss during switching, improving overall efficiency.
• Power Dissipation: The device can dissipate up to 850mW at ambient temperature (Ta) and 29.8W at case temperature (Tc), making it suitable for high-power applications.
• Rds On (Max): The maximum on-state resistance (Rds On) is 5.5mOhm at a drain current (Id) of 20A and a gate-source voltage (Vgs) of 10V, providing low conduction losses.
• Vgs(th) (Max): The maximum threshold voltage (Vgs(th)) is 2.2V at a drain current (Id) of 250µA, ensuring reliable device operation.
• Drive Voltage: The device operates with a maximum Rds On drive voltage of 4.5V and a minimum Rds On drive voltage of 10V, providing flexibility in circuit design.

NTTFS4939NTAG Applications

The NTTFS4939NTAG is ideal for various applications where high power dissipation, efficient switching, and compact design are required. Some specific use cases include:

1. Power Supplies: The high power dissipation and efficient switching make it suitable for power supply designs, such as switching power converters and battery chargers.
2. Industrial Control: Its robust performance and ability to handle high currents make it ideal for motor control and other industrial control applications.
3. Automotive Systems: The device's high power handling capabilities and low on-state resistance make it suitable for automotive systems, such as electric vehicle chargers and power management systems.

Conclusion of NTTFS4939NTAG

The NTTFS4939NTAG is a high-performance N-Channel MOSFET that offers excellent power dissipation, efficient switching, and compact design. Its unique features, such as low on-state resistance and fast switching capabilities, make it an ideal choice for high-power applications in power supplies, industrial control, and automotive systems. Despite being classified as obsolete, it remains a reliable and efficient solution for demanding applications where performance and reliability are critical.