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Technical Data Sheet
PartsTable / COMPONENT / 4819-218511
4819-218511 ✓ 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, overall_diameter: 0.352 INCHES NOMINAL IN, semiconductor_material: SILICON, terminal_type_and_quantity: 3 UNINSULATED WIRE LEAD, voltage_rating_in_volts_per_characteristic: 350.0 NOMINAL BREAKDOWN VOLTAGE, DC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-400-4545, 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
4819-218511
NSN: 5961-00-400-4545
FSC: 5961
CAGE: 89536 — FLUKE CORP (USA)
SPECIFICATIONS
overall_length0.250 INCHES NOMINAL IN
mounting_methodTERMINAL
overall_diameter0.352 INCHES NOMINAL IN
semiconductor_materialSILICON
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
voltage_rating_in_volts_per_characteristic350.0 NOMINAL BREAKDOWN VOLTAGE, DC
NSN5961-00-400-4545
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 4819-218511 MFR OEM TRANSISTOR
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
MOUNTING METHOD: TERMINAL
•
OVERALL DIAMETER: 0.352 INCHES NOMINAL IN
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 350.0 NOMINAL BREAKDOWN VOLTAGE, DC
•
SEMICONDUCTOR MATERIAL: SILICON
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
MOUNTING METHODTERMINAL
OVERALL DIAMETER0.352 INCHES NOMINAL IN
OVERALL LENGTH0.250 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC350.0 NOMINAL BREAKDOWN VOLTAGE, DC
SEMICONDUCTOR MATERIALSILICON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
HSA1G191C401Interchangeable
interchangeable cross-reference
interchangeable
XH-3172Interchangeable
interchangeable cross-reference
interchangeable
60994Interchangeable
interchangeable cross-reference
interchangeable
65120Interchangeable
interchangeable cross-reference
interchangeable
26011891Interchangeable
interchangeable cross-reference
interchangeable
P-141Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4819-218511?
4819-218511 is a TRANSISTOR.
What parts can replace 4819-218511?
There are 9 known substitutes for 4819-218511: HSA1G191C401, XH-3172, 60994 and 6 more. Substitute compatibility should be verified for your specific system.
Is 4819-218511 still available?
4819-218511 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026