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Technical Data Sheet
PartsTable / COMPONENT / 2N4856
2N4856 ✓ 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 overall_length: 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES MAXIMUM IN, special_features: WEAPON SYSTEM ESSENTIAL, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-104-1169, 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
2N4856
NSN: 5961-00-104-1169
FSC: 5961
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
special_featuresWEAPON SYSTEM ESSENTIAL
features_providedHERMETICALLY SEALED CASE
internal_configurationFIELD EFFECT-DUAL GATE
semiconductor_materialSILICON
end_item_identificationAIRCRAFT, ( AC-130H, MC-130H, EC-130E, HC-130 ); SUPPORT EQUIPMENT,
terminal_circle_diameter0.070 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-PRF-19500/385 GOVERNMENT SPECIFICATION
NSN5961-00-104-1169
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 2N4856 MFR OEM TRANSISTOR
KEY FEATURES
•
POWER RATING PER CHARACTERISTIC: 360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
•
MOUNTING METHOD: TERMINALTERMINAL
•
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
•
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
TECHNICAL CHARACTERISTICS (FLIS)
POWER RATING PER CHARACTERISTIC360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
MOUNTING METHODTERMINALTERMINAL
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
OVERALL LENGTH0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL0.100 INCHES NOMINAL IN
OVERALL DIAMETER0.220 INCHES NOMINAL0.220 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
CURRENT RATING PER CHARACTERISTIC50.0 MILLIAMPERES MAXIMUM FORWARD GATE CURRENT50.0 MILLIAMPERES MAXIMUM FORWARD GATE CURRENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2N4856Interchangeable
interchangeable cross-reference
interchangeable
4534640Interchangeable
interchangeable cross-reference
interchangeable
082055005Interchangeable
interchangeable cross-reference
interchangeable
1855-0378Interchangeable
interchangeable cross-reference
interchangeable
10133078Interchangeable
interchangeable cross-reference
interchangeable
SN2418Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N4856?
2N4856 is a TRANSISTOR.
What parts can replace 2N4856?
There are 9 known substitutes for 2N4856: 2N4856, 4534640, 082055005 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N4856?
2N4856 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-104-1169. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026