FQAF44N08

Single FETs, MOSFETs Overview

The FQAF44N08 is an N-Channel enhancement mode power MOSFET manufactured by Fairchild Semiconductor. It features a maximum drain-source voltage of 80 V and a continuous drain current of 35.6 A at case temperature. The device is housed in a TO-220AB package with three pins, designed for through-hole mounting. Thermal performance includes a maximum power dissipation of 83 W at 25°C case temperature. The component utilizes planar stripe technology to achieve low on-resistance characteristics suitable for general switching applications.

Single FETs, MOSFETs Feature Summary

• Utilizes proprietary planar stripe technology for enhanced electrical performance
• Designed as an N-Channel enhancement mode power field effect transistor
• Features high input impedance for efficient gate drive control

Single FETs, MOSFETs Applications

• General purpose inverters
• DC-DC converters
• Motor control circuits

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix or variant against the official datasheet to ensure compatibility with required thermal and electrical specifications. Confirm that the TO-220AB package matches the target PCB footprint and mounting requirements. Check for RoHS compliance status if environmental regulations apply to the final assembly. Ensure sourcing channels provide authentic components from authorized distributors to avoid counterfeit risks.

Single FETs, MOSFETs Selection Notes

Select this component when an 80 V rating and approximately 35 A current capacity are required in a through-hole package. Consider the thermal resistance and power dissipation limits relative to the heatsinking strategy. Compare on-resistance values against alternative devices to optimize conduction losses. Verify that the switching speed meets the frequency requirements of the intended circuit design.

Single FETs, MOSFETs Part Context

This part belongs to Fairchild's discrete power MOSFET portfolio, specifically the N-Channel series. It is engineered for medium-voltage switching applications where reliability and low conduction loss are prioritized. The TO-220AB package facilitates easy integration into industrial and consumer electronics designs requiring robust thermal management capabilities.

Single FETs, MOSFETs Replacement Considerations

Consult official substitution guides for equivalent parts with matching voltage, current, and package specifications. Verify pinout compatibility before replacing to prevent circuit damage. Cross-reference thermal characteristics to ensure adequate heat dissipation in the existing design.