PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 2N3771X
2N3771X ✓ 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: 0.425 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.800 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, unable_to_decode: UNABLE TO DECODE, 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 5961-00-134-9938, 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
2N3771X
NSN: 5961-00-134-9938
FSC: 5961
CAGE: 52333 — API ELECTRONICS, INC. DBA API TECHNOLOGIES CORP DIV API TECHNOLOGIES - SPECTRUM MICROWAVE (USA)
SPECIFICATIONS
overall_length0.425 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.800 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
unable_to_decodeUNABLE TO DECODE
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity2
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
power_rating_per_characteristic150.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic2.00 MILLIAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
NSN5961-00-134-9938
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 2N3771X MFR OEM TRANSISTOR
KEY FEATURES
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
•
MOUNTING FACILITY QUANTITY: 2
•
UNABLE TO DECODE: UNABLE TO DECODE
•
OVERALL DIAMETER: 0.800 INCHES MAXIMUM IN
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.425 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
MOUNTING FACILITY QUANTITY2
UNABLE TO DECODEUNABLE TO DECODE
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
OVERALL DIAMETER0.800 INCHES MAXIMUM IN
MOUNTING METHODUNTHREADED HOLE(S)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
SEMICONDUCTOR MATERIALSILICON
INTERNAL CONFIGURATIONJUNCTION CONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
80061Interchangeable
interchangeable cross-reference
interchangeable
36399Interchangeable
interchangeable cross-reference
interchangeable
499-009-015Interchangeable
interchangeable cross-reference
interchangeable
2N3771Interchangeable
interchangeable cross-reference
interchangeable
200-3771Interchangeable
interchangeable cross-reference
interchangeable
11640492Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N3771X?
2N3771X is a TRANSISTOR.
What parts can replace 2N3771X?
There are 22 known substitutes for 2N3771X: 80061, 36399, 499-009-015 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N3771X?
2N3771X is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-134-9938. 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