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Technical Data Sheet
PartsTable / COMPONENT / 345-123-002
345-123-002 ✓ 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: 0.270 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.360 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN, overall_diameter: 0.550 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP, 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 5961-00-978-9041, 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
345-123-002
NSN: 5961-00-978-9041
FSC: 5961
CAGE: 07421 — L3HARRIS INTERSTATE ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
overall_length0.270 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.360 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
overall_diameter0.550 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
terminal_circle_diameter0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/143 GOVERNMENT SPECIFICATION
power_rating_per_characteristic7.5 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
NSN5961-00-978-9041
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 345-123-002 MFR OEM TRANSISTOR
KEY FEATURES
•
TERMINAL LENGTH: 0.360 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
TEST DATA DOCUMENT: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
SEMICONDUCTOR MATERIAL: GERMANIUM
•
OVERALL DIAMETER: 0.550 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
MOUNTING METHOD: TERMINAL
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/143 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH0.360 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SEMICONDUCTOR MATERIALGERMANIUM
OVERALL DIAMETER0.550 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONJUNCTION CONTACT
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
MOUNTING METHODTERMINAL
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/143 GOVERNMENT SPECIFICATION
OVERALL LENGTH0.270 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC7.5 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2N1183AInterchangeable
interchangeable cross-reference
interchangeable
K135Interchangeable
interchangeable cross-reference
interchangeable
84-20115-06Interchangeable
interchangeable cross-reference
interchangeable
JAN2N1183AAInterchangeable
interchangeable cross-reference
interchangeable
2N1183Interchangeable
interchangeable cross-reference
interchangeable
MILS19500-143Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 345-123-002?
345-123-002 is a TRANSISTOR.
What parts can replace 345-123-002?
There are 19 known substitutes for 345-123-002: 2N1183A, K135, 84-20115-06 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 345-123-002?
345-123-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-978-9041. 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