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Technical Data Sheet
PartsTable / COMPONENT / 2N400
2N400 ✓ 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_width: 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, overall_height: 0.125 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, overall_length: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), terminal_length: 0.500 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-433-5808, 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
2N400
NSN: 5961-00-433-5808
FSC: 5961
CAGE: 5V1P1 — ON SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_width0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
overall_height0.125 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
overall_length0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.875 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
mounting_facility_quantity2
NSN5961-00-433-5808
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 2N400 MFR OEM TRANSISTOR
KEY FEATURES
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
CURRENT RATING PER CHARACTERISTIC: 600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
•
FEATURES PROVIDED: ELECTROSTATIC SENSITIVE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 165.0 CELSIUS JUNCTION DEGC
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH0.500 INCHES MINIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
CURRENT RATING PER CHARACTERISTIC600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
OVERALL LENGTH0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
OVERALL WIDTH0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
FEATURES PROVIDEDELECTROSTATIC SENSITIVE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT165.0 CELSIUS JUNCTION DEGC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
OVERALL HEIGHT0.125 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC350.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1946237-1Interchangeable
interchangeable cross-reference
interchangeable
2N4400Interchangeable
interchangeable cross-reference
interchangeable
2N4401Interchangeable
interchangeable cross-reference
interchangeable
2N4401AInterchangeable
interchangeable cross-reference
interchangeable
276-2058Interchangeable
interchangeable cross-reference
interchangeable
2N4403Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N400?
2N400 is a TRANSISTOR.
What parts can replace 2N400?
There are 18 known substitutes for 2N400: 1946237-1, 2N4400, 2N4401 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N400?
2N400 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-433-5808. 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