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Technical Data Sheet
2N3879A ✓ 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 NOMINAL IN, overall_height: 0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, overall_length: 1.252 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.500 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-020-7921, 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
2N3879A
NSN: 5961-00-020-7921
FSC: 5961
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
overall_width0.700 INCHES NOMINAL IN
overall_height0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
overall_length1.252 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.500 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity2
terminal_type_and_quantity1 CASE AND 2 PIN
specification/standard_data81349-MIL-S-19500/526 GOVERNMENT SPECIFICATION
NSN5961-00-020-7921
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 2N3879A MFR OEM TRANSISTOR
KEY FEATURES
OVERALL DIAMETER: 0.875 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 75.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
SEMICONDUCTOR MATERIAL: SILICON
INTERNAL CONFIGURATION: JUNCTION CONTACT
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD AND 1 CASE
CURRENT RATING PER CHARACTERISTIC: 5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 7.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.875 INCHES MAXIMUM IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 75.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
SEMICONDUCTOR MATERIALSILICON
OVERALL LENGTH0.375 INCHES NOMINAL IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD AND 1 CASE
CURRENT RATING PER CHARACTERISTIC5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 7.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
MOUNTING FACILITY QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
2N3829Interchangeable
interchangeable cross-reference
interchangeable
414AS252Interchangeable
interchangeable cross-reference
interchangeable
723025-040Interchangeable
interchangeable cross-reference
interchangeable
3165092Interchangeable
interchangeable cross-reference
interchangeable
60493Interchangeable
interchangeable cross-reference
interchangeable
2N3879Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N3879A?
2N3879A is a TRANSISTOR.
What parts can replace 2N3879A?
There are 26 known substitutes for 2N3879A: 2N3829, 414AS252, 723025-040 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N3879A?
2N3879A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-020-7921. This indicates validated use in U.S. government and defense supply chains.
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