ARF477FL

Overview

The ARF477FL is an N-channel RF MOSFET transistor manufactured by Microchip Technology. It utilizes silicon VDMOS technology and operates at a frequency of 100 MHz. The device features a drain-source breakdown voltage (Vds) of 500 V and delivers an output power of 400 W with a gain of 16 dB. Continuous drain current (Id) is rated at 15 A. Operating temperatures range from -55 C to +175 C. It employs screw mount installation.

Feature Summary

• N-channel silicon VDMOS construction for high-frequency operation
• High output power capability suitable for RF applications
• Wide operating temperature range for harsh environments

Applications

• RF power amplification
• Broadcast transmitter stages
• Industrial RF heating systems

Procurement Notes

Verify the specific datasheet version and any associated errata or PCN documents before finalizing design integration. Confirm that the screw mount package style aligns with the thermal management and mechanical constraints of the target application board. Ensure compliance with RoHS requirements as specified in the official documentation.

Selection Notes

Select this component when a high-voltage, high-power RF solution is required. The 500 V rating and 400 W output power make it suitable for demanding RF environments. Consider the 15 A continuous current limit and the specific 100 MHz operating frequency when designing matching networks and thermal dissipation structures.

Part Context

This part belongs to the RF MOSFET Transistors category within Microchip's discrete semiconductor portfolio. It is designed specifically for radio frequency applications requiring robust power handling. The T3C designation indicates its specific packaging and thermal characteristics within the manufacturer's lineup.

Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Do not assume cross-compatibility with other manufacturers' devices without verifying electrical parameters and pin configurations.