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Technical Data Sheet
PartsTable / COMPONENT / B77E0027-1
B77E0027-1 ✓ 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: GLASS ENCLOSURE, overall_length: 0.293 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, overall_diameter: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, 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 5961-00-139-9812, 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
B77E0027-1
NSN: 5961-00-139-9812
FSC: 5961
CAGE: 12464 — MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS ELECTRONIC SYSTEMS CO (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.293 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
overall_diameter0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/434 GOVERNMENT SPECIFICATION
power_rating_per_characteristic1500.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic200.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
voltage_rating_in_volts_per_characteristic49.0 MAXIMUM REVERSE VOLTAGE, DC
maximum_operating_temp_per_measurement_point175.0 CELSIUS AMBIENT AIR DEGC
NSN5961-00-139-9812
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 B77E0027-1 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81349-MIL-S-19500/434 GOVERNMENT SPECIFICATION
•
TEST DATA DOCUMENT: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 175.0 CELSIUS AMBIENT AIR DEGC
•
OVERALL DIAMETER: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
MOUNTING METHOD: TERMINAL
•
POWER RATING PER CHARACTERISTIC: 1500.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 49.0 MAXIMUM REVERSE VOLTAGE, DC
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/434 GOVERNMENT SPECIFICATION
TEST DATA DOCUMENT81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS AMBIENT AIR DEGC
OVERALL DIAMETER0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
MOUNTING METHODTERMINAL
POWER RATING PER CHARACTERISTIC1500.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC49.0 MAXIMUM REVERSE VOLTAGE, DC
CURRENT RATING PER CHARACTERISTIC200.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
TERMINAL LENGTH1.000 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
2675218650Interchangeable
interchangeable cross-reference
interchangeable
JAN1N5556AInterchangeable
interchangeable cross-reference
interchangeable
JAN1N5556Interchangeable
interchangeable cross-reference
interchangeable
JAN1N5555AInterchangeable
interchangeable cross-reference
interchangeable
353-0216-010Interchangeable
interchangeable cross-reference
interchangeable
12038-0001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B77E0027-1?
B77E0027-1 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace B77E0027-1?
There are 29 known substitutes for B77E0027-1: 2675218650, JAN1N5556A, JAN1N5556 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B77E0027-1?
B77E0027-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-139-9812. 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