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U183 ✓ 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

MODIFICATION KIT,RADAR EQUIPMENT. Key specifications include overall_length: 0.210 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: FIELD EFFECT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-252-1195, 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
U183
NSN: 5961-00-252-1195
FSC: 5961
CAGE: 17856 — SILICONIX INCORPORATED DIV SILICONIX (USA)
SPECIFICATIONS
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity4 UNINSULATED WIRE LEAD
power_rating_per_characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic10.00 MILLIAMPERES MAXIMUM GATE CURRENT
voltage_rating_in_volts_per_characteristic-25.0 MAXIMUM GATE TO SOURCE CUTOFF VOLTAGE
NSN5961-00-252-1195
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 U183 MFR OEM MODIFICATION KIT,RADAR EQUIPMENT
KEY FEATURES
•
SEMICONDUCTOR MATERIAL: SILICON
•
TERMINAL TYPE AND QUANTITY: 4 UNINSULATED WIRE LEAD
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
•
CURRENT RATING PER CHARACTERISTIC: 10.00 MILLIAMPERES MAXIMUM GATE CURRENT
•
INTERNAL CONFIGURATION: FIELD EFFECT
•
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
•
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEMICONDUCTOR MATERIALSILICON
OVERALL LENGTH0.210 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY4 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
CURRENT RATING PER CHARACTERISTIC10.00 MILLIAMPERES MAXIMUM GATE CURRENT
INTERNAL CONFIGURATIONFIELD EFFECT
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
OVERALL DIAMETER0.230 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
U183Interchangeable
interchangeable cross-reference
interchangeable
100-1029Interchangeable
interchangeable cross-reference
interchangeable
511792-1Interchangeable
Same NIIN cross-reference
interchangeable
FN487Interchangeable
Same NIIN cross-reference
interchangeable
FN4487Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U183?
U183 is a MODIFICATION KIT,RADAR EQUIPMENT.
What parts can replace U183?
There are 5 known substitutes for U183: U183, 100-1029, 511792-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U183?
U183 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-252-1195. 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