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F421 — COIL,RADIO FREQUENCY

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

F421: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include overall_height: 0.260 INCHES MAXIMUM IN, overall_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, overall_diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This part is cataloged in the U.S.

Government catalog under NSN 5961-00-949-1432, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
F421
NSN: 5961-00-949-1432
NIINs: 009491432, 011588474, 011590863
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 57655 — NAUTEL MAINE INC (USA)
SPECIFICATIONS
overall_height0.260 INCHES MAXIMUM IN
overall_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
overall_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/251 GOVERNMENT SPECIFICATION
NSN5961-00-949-1432
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN F421 MFR OEM COIL,RADIO FREQUENCY
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
•
OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
MOUNTING METHOD: TERMINAL
•
SEMICONDUCTOR MATERIAL: SILICON
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.260 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TERMINAL LENGTH0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
SEMICONDUCTOR MATERIALSILICON
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SUBSTITUTES & CROSS-REFERENCES 8
Q62702-F150-ZReference document
Same NSN cross-reference
Reference document — Secondary reference
418195-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
822219-001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10-13018-001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-PRF-19500/251Reference document
Same NSN cross-reference
Reference document — Identification reference
S59-125Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F421?
F421 is a COIL,RADIO FREQUENCY.
What parts can replace F421?
There are 8 known substitutes for F421: Q62702-F150-Z, 418195-4, 822219-001 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F421?
F421 is cataloged in the U.S. Government catalog under NSN 5961-00-949-1432. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.