AFV121KH-960MHZ

RF FETs, MOSFETs Overview

The AFV121KH is a high ruggedness N-channel enhancement-mode lateral MOSFET designed for pulse applications operating at frequencies from 960 to 1215 MHz. It delivers up to 1000 W peak output power with a 50 V drain-source voltage rating. The device features internally matched input and output ports, enabling broadband operation and simplified integration in single-ended, push-pull, or quadrature configurations. It exhibits exceptional load mismatch ruggedness, sustaining overdrive conditions exceeding 20:1 VSWR without degradation.

RF FETs, MOSFETs Feature Summary

• Internally matched input and output ports for broadband operation
• High ruggedness handling greater than 20:1 VSWR under overdrive
• Integrated ESD protection supporting Class C operation and gate pulsing

RF FETs, MOSFETs Applications

• Distance Measuring Equipment (DME)
• Secondary radars and Mode S ELM interrogators
• Air traffic control transponders including TCAS and ADS-B

RF FETs, MOSFETs Procurement Notes

Verify the specific package variant required for the application, as the datasheet lists distinct suffixes corresponding to different lead configurations. Confirm that the ordering suffix aligns with the intended mounting method before procurement. Ensure all technical specifications meet the system requirements prior to finalizing the purchase order.

RF FETs, MOSFETs Selection Notes

Select this component for high-power pulse applications requiring wide bandwidth and extreme ruggedness. Evaluate thermal management strategies carefully, as junction temperature significantly impacts mean time to failure. Verify compatibility with the internal matching network if utilizing single-ended topologies instead of balanced configurations.

RF FETs, MOSFETs Part Context

This device belongs to the Airfast RF Power LDMOS Transistor family manufactured by Freescale Semiconductor. It utilizes advanced lateral diffusion technology to achieve high power density and efficiency. The product line targets demanding aerospace and defense environments where reliability under severe electrical stress is critical.

RF FETs, MOSFETs Replacement Considerations

No public confirmed substitute part numbers are documented in the provided source material.