PartsTable
Technical Data Sheet
FMMT 3904 ✓ Verified by PartsTable
· SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The TRANSISTOR is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_width: 0.205 INCHES MAXIMUM IN, overall_height: 0.165 INCHES MAXIMUM IN, overall_length: 0.210 INCHES MAXIMUM IN, transfer_ratio: 40.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER, mounting_method: TERMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-214-2382, 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
FMMT 3904
NSN: 5961-01-214-2382
FSC: 5961
CAGE: 22119 — FERRANTI ELECTRIC INC (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_width0.205 INCHES MAXIMUM IN
overall_height0.165 INCHES MAXIMUM IN
overall_length0.210 INCHES MAXIMUM IN
transfer_ratio40.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_type_and_quantity3 PIN
internal_junction_configurationNPN
power_rating_per_characteristic350.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
NSN5961-01-214-2382
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 FMMT 3904 MFR OEM TRANSISTOR
KEY FEATURES
SEMICONDUCTOR MATERIAL: SILICON
CURRENT RATING PER CHARACTERISTIC: 200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MATERIAL: PLASTIC ENCLOSURE
TERMINAL TYPE AND QUANTITY: 3 PIN
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
SEMICONDUCTOR MATERIALSILICON
CURRENT RATING PER CHARACTERISTIC200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
MATERIALPLASTIC ENCLOSURE
OVERALL WIDTH0.205 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 PIN
OVERALL LENGTH0.210 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
OVERALL HEIGHT0.165 INCHES MAXIMUM IN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
TRANSFER RATIO40.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5080-4670Interchangeable
interchangeable cross-reference
interchangeable
2N3904Interchangeable
interchangeable cross-reference
interchangeable
CS23303Interchangeable
interchangeable cross-reference
interchangeable
TE23652Interchangeable
interchangeable cross-reference
interchangeable
483743Interchangeable
interchangeable cross-reference
interchangeable
2N906Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FMMT 3904?
FMMT 3904 is a TRANSISTOR.
What parts can replace FMMT 3904?
There are 17 known substitutes for FMMT 3904: 5080-4670, 2N3904, CS23303 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FMMT 3904?
FMMT 3904 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-214-2382. This indicates validated use in U.S. government and defense supply chains.
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