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Technical Data Sheet
PartsTable / COMPONENT / 618-4921-002
618-4921-002 ✓ 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: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES NOMINAL IN, overall_diameter: 0.209 INCHES MINIMUM AND 0.230 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 5961-01-171-9237, 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
618-4921-002
NSN: 5961-01-171-9237
FSC: 5961
CAGE: 04713 — FREESCALE SEMICONDUCTOR, INC. (USA)
SPECIFICATIONS
overall_length0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.500 INCHES NOMINAL IN
overall_diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
power_rating_per_characteristic600.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
current_rating_per_characteristic-600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-01-171-9237
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 618-4921-002 MFR OEM TRANSISTOR
KEY FEATURES
•
OVERALL DIAMETER: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: -60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
•
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
•
TERMINAL LENGTH: 1.500 INCHES NOMINAL IN
•
POWER RATING PER CHARACTERISTIC: 600.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS JUNCTION DEGC
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNP
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC-60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
TERMINAL LENGTH1.500 INCHES NOMINAL IN
POWER RATING PER CHARACTERISTIC600.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS JUNCTION DEGC
OVERALL LENGTH0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-18
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2N2907Interchangeable
interchangeable cross-reference
interchangeable
18506412-1Interchangeable
interchangeable cross-reference
interchangeable
2N2907AInterchangeable
interchangeable cross-reference
interchangeable
N185916-4Interchangeable
interchangeable cross-reference
interchangeable
5218-578Interchangeable
interchangeable cross-reference
interchangeable
3179819Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 618-4921-002?
618-4921-002 is a TRANSISTOR.
What parts can replace 618-4921-002?
There are 21 known substitutes for 618-4921-002: 2N2907, 18506412-1, 2N2907A and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 618-4921-002?
618-4921-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-171-9237. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026