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MP521 — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · SFP TRANSCEIVER
PRODUCT OVERVIEW

MP521: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include overall_length: 0.180 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 1.100 INCHES MINIMUM IN, overall_diameter: 0.094 INCHES NOMINAL IN, terminal_type_and_quantity: 2 UNINSULATED WIRE LEAD, joint_electronic_device_engineering_council/jedec/case_outline_designation: D0-41. This part is cataloged in the U.S.

Government catalog under NSN 5961-01-291-4088, 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
MP521
NSN: 5961-01-291-4088
FSC: 5961 — Semiconductor Devices and Associated Hardware
CAGE: 72699 — GENERAL INSTRUMENT CORP CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
overall_length0.180 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.100 INCHES MINIMUM IN
overall_diameter0.094 INCHES NOMINAL IN
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
joint_electronic_device_engineering_council/jedec/case_outline_designationD0-41
NSN5961-01-291-4088
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 MP521 MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
•
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: D0-41
•
OVERALL DIAMETER: 0.094 INCHES NOMINAL IN
•
TERMINAL LENGTH: 1.100 INCHES MINIMUM IN
•
MOUNTING METHOD: TERMINAL
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
TECHNICAL CHARACTERISTICS
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIOND0-41
OVERALL DIAMETER0.094 INCHES NOMINAL IN
TERMINAL LENGTH1.100 INCHES MINIMUM IN
MOUNTING METHODTERMINAL
OVERALL LENGTH0.180 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
SUBSTITUTES & CROSS-REFERENCES 2
SR1358-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
1901-0159Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MP521?
MP521 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace MP521?
There are 2 known substitutes for MP521: SR1358-4, 1901-0159. Substitute compatibility should be verified for your specific system.
What is the NSN for MP521?
MP521 is cataloged in the U.S. Government catalog under NSN 5961-01-291-4088. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.