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Technical Data Sheet
PartsTable / MRO / B12-20
B12-20 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 shape: CYLINDRICAL, terminal_type: FLAT SURFACE BASE, overall_height: 1.094 INCHES NOMINAL IN, overall_diameter: 0.547 INCHES NOMINAL IN, voltage_in_volts: 1.5, functional_description: MODULE, MEMORY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1630-00-166-5844, 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
MRO→ MRO_GENERAL→ B12-20
NSN: 1630-00-166-5844
FSC: 1630
CAGE: 53655 — AVOX SYSTEMS INC DBA AVOX SYSTEMS INC (USA)
SPECIFICATIONS
shapeCYLINDRICAL
terminal_typeFLAT SURFACE BASE
overall_height1.094 INCHES NOMINAL IN
overall_diameter0.547 INCHES NOMINAL IN
voltage_in_volts1.5
terminal_quantity1
functional_descriptionMODULE, MEMORY
end_item_identificationAN/UYQ-70 (V) ADV DISPLAY SYS N/A FOR COSAL USE; MULTI-FUNCTION SERVER (V) 6; MULTI-FUNCTION SERVER (V) 7; ECDWS-H, CC, T106
part_name_assigned_by_controlling_agencyMODULE, MEMORY
NSN1630-00-166-5844
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN B12-20 MFR SEMICONDUCTOR DEVICE,D
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
B12-20Interchangeable
interchangeable cross-reference
interchangeable
SUM-3GInterchangeable
interchangeable cross-reference
interchangeable
915Interchangeable
interchangeable cross-reference
interchangeable
POPULAR R6Interchangeable
interchangeable cross-reference
interchangeable
PE56AInterchangeable
interchangeable cross-reference
interchangeable
1220-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B12-20?
B12-20 is a SEMICONDUCTOR DEVICE,DIODE. It is classified as a MRO (MRO_GENERAL).
What parts can replace B12-20?
There are 15 known substitutes for B12-20: B12-20, SUM-3G, 915 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B12-20?
B12-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1630-00-166-5844. 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