Electronics Abbreviations and Acronyms

1. FIR
   Far Infrared Ray
2. FIR
   Far Infrared Resonance
3. FIR
   Far Infrared Radio
4. FIR
   Far Infrared Research
5. FIR
   Finite Impulse Response
6. FIR
   Far Infrared Radiant
7. FIRST
   Floppy Inclusions and Rigid Substructure Topography
8. FIS
   Fault Isolation System
9. FIS-B
   Flight Information Services - Broadcast
10. FIT
    Fault Isolation Tests
11. FIT
    Firmware Integration Technology
12. FIT
    Filtering Integration Technology
13. FIT
    Failure unIT
14. FITK
    Filter Inductor Torodial Kit
15. FITS
    Functional Interpolation Transfer System
16. FL
    Frequency Lock
17. FL
    Fuzzy Logic
18. FLA
    Fully Loaded Amperes
19. FLAM
    Fault Location and Monitoring
20. FLAP
    Failure Location Analysis Program

Last updated: May 6, 2025 — Total entries: 6,788