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Technical Data Sheet
JANTX2N3879 ✓ 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_width: 0.700 INCHES MAXIMUM IN, overall_height: 0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, overall_length: 1.253 INCHES NOMINAL IN, mounting_method: TERMINAL, special_features: DRAWING IS SOURCE CONTROL PER (APPROVED) ECP H14T2109, 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 5961-01-036-4459, 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
JANTX2N3879
NSN: 5961-01-036-4459
FSC: 5961
CAGE: 12969 — MICRO USPD INC (USA)
SPECIFICATIONS
overall_width0.700 INCHES MAXIMUM IN
overall_height0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
overall_length1.253 INCHES NOMINAL IN
mounting_methodTERMINAL
special_featuresDRAWING IS SOURCE CONTROL PER (APPROVED) ECP H14T2109
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity2
terminal_type_and_quantity2 PIN
specification/standard_data81349-MIL-S-19500/526 GOVERNMENT SPECIFICATION
power_rating_per_characteristic35.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
NSN5961-01-036-4459
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 JANTX2N3879 MFR OEM TRANSISTOR
KEY FEATURES
FEATURES PROVIDED: HERMETICALLY SEALED CASE
INTERNAL CONFIGURATION: JUNCTION CONTACT
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: COLLECTOR
SEMICONDUCTOR MATERIAL: SILICON
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
OVERALL LENGTH1.103 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
SPECIAL FEATURESTHE HEIGHT DIA IS 0.620 AND BASE THICKNESS IS 0.250MIN AND 0.075MAX IN.2 HOLES 0.142MIN AND 0.152MAX IN.DIA TYP 0.958MIN AND 0.962 IN. APART FROM THEIR CENTERS ALONG THE LENGTH FROM THECENTER OF EACH HOLE TO THE OUTER EDGE COMES TO A 0.145 MAX RADIUS; JUNCTION PATTERN ARRANGEMENT: NPN IN
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
OVERALL HEIGHT0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
SEMICONDUCTOR MATERIALSILICON
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
OVERALL WIDTH0.700 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
2N3879Interchangeable
interchangeable cross-reference
interchangeable
2N3879+123Interchangeable
interchangeable cross-reference
interchangeable
7369-103Interchangeable
interchangeable cross-reference
interchangeable
BDW8S2Interchangeable
interchangeable cross-reference
interchangeable
TP2020Interchangeable
interchangeable cross-reference
interchangeable
BDN8S2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JANTX2N3879?
JANTX2N3879 is a TRANSISTOR.
What parts can replace JANTX2N3879?
There are 25 known substitutes for JANTX2N3879: 2N3879, 2N3879+123, 7369-103 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JANTX2N3879?
JANTX2N3879 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-036-4459. This indicates validated use in U.S. government and defense supply chains.
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