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PartsTable / COMPONENT / 861540-0021
861540-0021 ✓ 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 MICROCIRCUIT,MEMORY is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include body_width: 0.150 INCHES MAXIMUM IN, body_height: 0.045 INCHES MAXIMUM IN, body_length: 0.260 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND MONOLITHIC, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC OR METAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-045-8208, 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
861540-0021
NSN: 5962-01-045-8208
FSC: 5962
CAGE: 13973 — LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION (USA)
SPECIFICATIONS
body_width0.150 INCHES MAXIMUM IN
body_height0.045 INCHES MAXIMUM IN
body_length0.260 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND MONOLITHIC
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC OR METAL
memory_device_typeROM
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern6 INPUT
inclosure_configurationFLAT PACK
NSN5962-01-045-8208
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN 861540-0021 MFR MICROCIRCUIT,MEMORY
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 14 FLAT LEADS
•
INCLOSURE MATERIAL: CERAMIC OR METAL
•
OUTPUT LOGIC FORM: TRANSISTOR-TRANSISTOR LOGIC
•
TEST DATA DOCUMENT: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
•
TERMINAL SURFACE TREATMENT: SOLDER
•
INPUT CIRCUIT PATTERN: 6 INPUT
•
BODY WIDTH: 0.150 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.045 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY14 FLAT LEADS
INCLOSURE MATERIALCERAMIC OR METAL
OUTPUT LOGIC FORMTRANSISTOR-TRANSISTOR LOGIC
TEST DATA DOCUMENT96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
TERMINAL SURFACE TREATMENTSOLDER
INPUT CIRCUIT PATTERN6 INPUT
BODY WIDTH0.150 INCHES MAXIMUM IN
BODY HEIGHT0.045 INCHES MAXIMUM IN
INCLOSURE CONFIGURATIONFLAT PACK
MAXIMUM POWER DISSIPATION RATING450.0 MILLIWATTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
RMU3/4Interchangeable
interchangeable cross-reference
interchangeable
SM1012MUA3/4Interchangeable
interchangeable cross-reference
interchangeable
RM3-4Interchangeable
interchangeable cross-reference
interchangeable
861540-0018Interchangeable
interchangeable cross-reference
interchangeable
861540-0019Interchangeable
interchangeable cross-reference
interchangeable
861540-0020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 861540-0021?
861540-0021 is a MICROCIRCUIT,MEMORY.
What parts can replace 861540-0021?
There are 9 known substitutes for 861540-0021: RMU3/4, SM1012MUA3/4, RM3-4 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 861540-0021?
861540-0021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-045-8208. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026