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Technical Data Sheet
5561-1 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: GLASS ENCLOSURE, overall_length: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.125 INCHES NOMINAL IN, overall_diameter: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1680-00-078-0929, 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
5561-1
NSN: 1680-00-078-0929
FSC: 1680
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
overall_length0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.125 INCHES NOMINAL IN
overall_diameter0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data80131-RELEASE3139 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
power_rating_per_characteristic150.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic200.00 MICROAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
general_characteristics_item_descriptionBRASS,NICKEL PLATED,4.80 IN. MAX DIA,1.15 IN. MAX H,W/12 IN. BEADCHAIN IN
voltage_rating_in_volts_per_characteristic23.5 MAXIMUM REVERSE VOLTAGE, PEAK
NSN1680-00-078-0929
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN 5561-1 MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS,NICKEL PLATED,4.80 IN. MAX DIA,1.15 IN. MAX H,W/12 IN. BEADCHAIN IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS,NICKEL PLATED,4.80 IN. MAX DIA,1.15 IN. MAX H,W/12 IN. BEADCHAIN IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1N1318AInterchangeable
interchangeable cross-reference
interchangeable
RELEASE2013Interchangeable
interchangeable cross-reference
interchangeable
1N1318Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5561-1?
5561-1 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 5561-1?
There are 3 known substitutes for 5561-1: 1N1318A, RELEASE2013, 1N1318. Substitute compatibility should be verified for your specific system.
Is 5561-1 still available?
5561-1 is currently cancelled.
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