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Technical Data Sheet
PartsTable / COMPONENT / 2N2938
2N2938 ✓ 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: 0.150 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, 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 5961-00-115-3620, 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
2N2938
NSN: 5961-00-115-3620
FSC: 5961
CAGE: 34371 — RENESAS ELECTRONICS AMERICA INC (USA)
SPECIFICATIONS
overall_length0.150 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE4385 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
internal_junction_configurationNPN
NSN5961-00-115-3620
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 2N2938 MFR OEM TRANSISTOR
KEY FEATURES
•
CURRENT RATING PER CHARACTERISTIC: 0.5 AMPERES MAXIMUM COLLECTOR CURRENT, DC
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
OVERALL DIAMETER: 0.219 INCHES NOMINAL IN
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
•
POWER RATING PER CHARACTERISTIC: 300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
•
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT RATING PER CHARACTERISTIC0.5 AMPERES MAXIMUM COLLECTOR CURRENT, DC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
OVERALL DIAMETER0.219 INCHES NOMINAL IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
POWER RATING PER CHARACTERISTIC300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
OVERALL LENGTH0.132 INCHES NOMINAL IN
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
MOUNTING METHODTERMINAL
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
28452A803Interchangeable
interchangeable cross-reference
interchangeable
2N2938Interchangeable
interchangeable cross-reference
interchangeable
28452-803Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N2938?
2N2938 is a TRANSISTOR.
What parts can replace 2N2938?
There are 3 known substitutes for 2N2938: 28452A803, 2N2938, 28452-803. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N2938?
2N2938 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-115-3620. 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