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Technical Data Sheet
PartsTable / LIGHT EMITTING DIODE / MU5491
MU5491 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LIGHT EMITTING DIODE is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_length: 0.340 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM IN, overall_diameter: 0.230 INCHES NOMINAL IN, lens_transparency: TRANSLUCENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5980-01-020-3954, 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
MU5491
NSN: 5980-01-020-3954
FSC: 5980 — LIGHT EMITTING DIODE
CAGE: 50522 — MONSANTO INDUSTRIAL CHEMICALS CO (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_length0.340 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
overall_diameter0.230 INCHES NOMINAL IN
lens_transparencyTRANSLUCENT
luminous_intensity1.5 MILLICANDELA MINIMUM
semiconductor_materialGALLIUM ARSENIDE OR GALLIUM ARSENIDE PHOSPHIDE
terminal_circle_diameter0.025 INCHES NOMINAL IN
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
color_tone_produced_per_sourceRED LENS
power_rating_per_characteristic200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
NSN5980-01-020-3954
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LIGHT EMITTING DIODE TITLE COMPONENT PN MU5491 MFR LIGHT EMITTING DIODE
KEY FEATURES
•
SEMICONDUCTOR MATERIAL: GALLIUM ARSENIDE OR GALLIUM ARSENIDE PHOSPHIDE
•
POWER RATING PER CHARACTERISTIC: 200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
•
CURRENT RATING PER CHARACTERISTIC: 70.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
•
TERMINAL LENGTH: 1.000 INCHES MINIMUM IN
•
LUMINOUS INTENSITY: 1.5 MILLICANDELA MINIMUM
•
LENS TRANSPARENCY: TRANSLUCENT
•
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 109.0 CELSIUS AMBIENT AIR DEGC
TECHNICAL CHARACTERISTICS (FLIS)
SEMICONDUCTOR MATERIALGALLIUM ARSENIDE OR GALLIUM ARSENIDE PHOSPHIDE
POWER RATING PER CHARACTERISTIC200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
CURRENT RATING PER CHARACTERISTIC70.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
TERMINAL LENGTH1.000 INCHES MINIMUM IN
OVERALL LENGTH0.340 INCHES NOMINAL IN
LUMINOUS INTENSITY1.5 MILLICANDELA MINIMUM
LENS TRANSPARENCYTRANSLUCENT
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT109.0 CELSIUS AMBIENT AIR DEGC
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
OVERALL DIAMETER0.230 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
SW106 FIND 5Interchangeable
interchangeable cross-reference
interchangeable
20212PC5Interchangeable
interchangeable cross-reference
interchangeable
A7440-002-128Interchangeable
interchangeable cross-reference
interchangeable
9398PCLN2Interchangeable
interchangeable cross-reference
interchangeable
8530PC34Interchangeable
interchangeable cross-reference
interchangeable
A7440-001-108Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MU5491?
MU5491 is a LIGHT EMITTING DIODE.
What parts can replace MU5491?
There are 13 known substitutes for MU5491: SW106 FIND 5, 20212PC5, A7440-002-128 and 10 more. Substitute compatibility should be verified for your specific system.
Is MU5491 still available?
MU5491 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026