FMLM2003

Overview

The Fairview Microwave FMLM2003 is a general purpose RF power limiter designed for space applications. It operates within a frequency range of 20 MHz to 4 GHz and features SMA connectors for interface compatibility. The component provides input protection with a nominal input power rating of 2 W and supports peak input power up to 50 dBm. Packaged in a bag, this active device functions as a field-replaceable module to safeguard downstream circuitry from signal overload.

Feature Summary

• Provides automatic power limiting to protect sensitive RF components from high signal levels
• Designed specifically for operation in space environments requiring robust reliability
• Features field-replaceable construction utilizing standard SMA connector interfaces

Applications

• Spacecraft RF signal chains
• Satellite communication systems
• High-power RF receiver protection

Procurement Notes

Verify the specific datasheet version for the FMLM2003 to confirm mechanical dimensions and thermal characteristics required for integration. Ensure that the SMA connector polarity matches the system design requirements. Confirm that the 2 W average and 50 dBm peak power ratings align with the expected operational envelope of the target application before finalizing procurement.

Selection Notes

Select the FMLM2003 when a general purpose limiter is required for frequencies extending up to 4 GHz. This model is appropriate for applications demanding protection against high peak powers while maintaining standard SMA connectivity. Consider its suitability for space-rated environments if the deployment involves aerospace or satellite infrastructure where field replaceability is necessary.

Part Context

This component belongs to the Fairview Microwave portfolio of RF misc ICs and modules. It serves as a protective element within radio frequency systems, distinct from amplifiers or passive cables. The FMLM2003 addresses the need for signal conditioning and hardware protection in high-frequency circuits operating between 20 MHz and 4 GHz.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.