PartsTable
Technical Data Sheet
490838 ✓ 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: 0.800 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM IN, overall_diameter: 0.310 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-978-7660, 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
490838
NSN: 5961-00-978-7660
FSC: 5961
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.800 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
overall_diameter0.310 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/202 GOVERNMENT SPECIFICATION
current_rating_per_characteristic250.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
voltage_rating_in_volts_per_characteristic480.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 280.0 MAXIMUM REVERSE VOLTAGE, TOTAL RMS
maximum_operating_temp_per_measurement_point150.0 CELSIUS AMBIENT AIR DEGC
NSN5961-00-978-7660
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 490838 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
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.).
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 480.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 280.0 MAXIMUM REVERSE VOLTAGE, TOTAL RMS
CURRENT RATING PER CHARACTERISTIC: 250.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 150.0 CELSIUS AMBIENT AIR DEGC
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TERMINAL LENGTH: 1.000 INCHES MINIMUM IN
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS (FLIS)
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.).
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC480.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 280.0 MAXIMUM REVERSE VOLTAGE, TOTAL RMS
CURRENT RATING PER CHARACTERISTIC250.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT150.0 CELSIUS AMBIENT AIR DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL LENGTH1.000 INCHES MINIMUM IN
MOUNTING METHODTERMINAL
OVERALL LENGTH0.800 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/202 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
AN280-808Interchangeable
interchangeable cross-reference
interchangeable
H32Interchangeable
interchangeable cross-reference
interchangeable
50-6A16Interchangeable
interchangeable cross-reference
interchangeable
60878Interchangeable
interchangeable cross-reference
interchangeable
S16Interchangeable
interchangeable cross-reference
interchangeable
JAN1N540Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 490838?
490838 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 490838?
There are 28 known substitutes for 490838: AN280-808, H32, 50-6A16 and 25 more. Substitute compatibility should be verified for your specific system.
Is 490838 still available?
490838 is currently cancelled.
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