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Technical Data Sheet
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2N3642 ✓ 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_length: 0.250 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.400 INCHES MINIMUM IN, overall_diameter: 0.330 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 5961-00-110-1081, 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
2N3642
NSN: 5961-00-110-1081
FSC: 5961
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_length0.250 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.400 INCHES MINIMUM IN
overall_diameter0.330 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.200 INCHES MAXIMUM IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE4858 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
NSN5961-00-110-1081
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 2N3642 MFR OEM TRANSISTOR
KEY FEATURES
•
CURRENT RATING PER CHARACTERISTIC: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 45.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.330 INCHES MAXIMUM IN
•
TERMINAL LENGTH: 0.400 INCHES MINIMUM IN
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
MOUNTING METHOD: TERMINAL
•
SEMICONDUCTOR MATERIAL: SILICON
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT RATING PER CHARACTERISTIC500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 45.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TERMINAL CIRCLE DIAMETER0.200 INCHES MAXIMUM IN
OVERALL DIAMETER0.330 INCHES MAXIMUM IN
TERMINAL LENGTH0.400 INCHES MINIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
MOUNTING METHODTERMINAL
SEMICONDUCTOR MATERIALSILICON
POWER RATING PER CHARACTERISTIC350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
MATERIALPLASTIC ENCLOSURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2N3642Interchangeable
interchangeable cross-reference
interchangeable
10000410Interchangeable
interchangeable cross-reference
interchangeable
2N3642AInterchangeable
interchangeable cross-reference
interchangeable
321517Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N3642?
2N3642 is a TRANSISTOR.
What parts can replace 2N3642?
There are 4 known substitutes for 2N3642: 2N3642, 10000410, 2N3642A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N3642?
2N3642 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-110-1081. 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