PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1N255
1N255 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, overall_length: 0.405 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.190 INCHES IN, thread_series_designator: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-615-5051, 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
1N255
NSN: 5961-00-615-5051
FSC: 5961
CAGE: 03877 — GILBERT ENGINEERING CO INC/INCON SUB OF TRANSITRON ELECTRONIC CORP (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.405 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.190 INCHES IN
thread_series_designatorUNF
mounting_facility_quantity1
overall_width_across_flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
terminal_type_and_quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
specification/standard_data81349-MIL-S-19500/162 GOVERNMENT SPECIFICATION
current_rating_per_characteristic15.00 AMPERES MAXIMUM FORWARD CURRENT, DC
voltage_rating_in_volts_per_characteristic480.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS
NSN5961-00-615-5051
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 1N255 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNF
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 135.0 CELSIUS JUNCTION DEGC
•
TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG AND 1 THREADED STUD
•
MATERIAL: SILICON SEMICONDUCTOR
•
MOUNTING FACILITY QUANTITY: 1
•
CURRENT RATING PER CHARACTERISTIC: 400.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
OVERALL LENGTH0.375 INCHES NOMINAL IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT135.0 CELSIUS JUNCTION DEGC
TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG AND 1 THREADED STUD
MATERIALSILICON SEMICONDUCTOR
MOUNTING FACILITY QUANTITY1
CURRENT RATING PER CHARACTERISTIC400.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
NOMINAL THREAD SIZE0.190 INCHES IN
OVERALL WIDTH ACROSS FLATS0.445 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4178600-179Interchangeable
interchangeable cross-reference
interchangeable
451634-3Interchangeable
interchangeable cross-reference
interchangeable
S2030Interchangeable
interchangeable cross-reference
interchangeable
MILS19500Interchangeable
interchangeable cross-reference
interchangeable
1N255Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-19500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N255?
1N255 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N255?
There are 10 known substitutes for 1N255: 4178600-179, 451634-3, S2030 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N255?
1N255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-615-5051. 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