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Technical Data Sheet
PartsTable / COMPONENT / 345-121-002
345-121-002 ✓ 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: 0.250 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.359 INCHES NOMINAL 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 5961-00-020-3130, 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
345-121-002
NSN: 5961-00-020-3130
FSC: 5961
CAGE: 07421 — L3HARRIS INTERSTATE ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
overall_length0.250 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.359 INCHES NOMINAL IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
power_rating_per_characteristic150.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
current_rating_per_characteristic300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-020-3130
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 345-121-002 MFR OEM TRANSISTOR
KEY FEATURES
•
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 25.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
•
POWER RATING PER CHARACTERISTIC: 150.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 100.0 CELSIUS JUNCTION DEGC
•
OVERALL DIAMETER: 0.359 INCHES NOMINAL IN
•
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL LENGTH1.500 INCHES MINIMUM IN
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 25.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
POWER RATING PER CHARACTERISTIC150.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT100.0 CELSIUS JUNCTION DEGC
OVERALL DIAMETER0.359 INCHES NOMINAL IN
MOUNTING METHODTERMINAL
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNP
CURRENT RATING PER CHARACTERISTIC300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
345613 WITH 901-002Interchangeable
interchangeable cross-reference
interchangeable
516-30004-00Interchangeable
interchangeable cross-reference
interchangeable
117381Interchangeable
interchangeable cross-reference
interchangeable
34500-1Interchangeable
interchangeable cross-reference
interchangeable
34500-3Interchangeable
interchangeable cross-reference
interchangeable
345-002Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 345-121-002?
345-121-002 is a TRANSISTOR.
What parts can replace 345-121-002?
There are 6 known substitutes for 345-121-002: 345613 WITH 901-002, 516-30004-00, 117381 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 345-121-002?
345-121-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-020-3130. 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