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Technical Data Sheet
PartsTable / COMPONENT / 21008-04
21008-04 ✓ Verified by PartsTable
Rexel · 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 Rexel memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include body_width: 0.302 INCHES MAXIMUM IN, body_height: 0.175 INCHES MAXIMUM IN, body_length: 0.925 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND BURN IN AND BIPOLAR, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-099-6382, 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
21008-04
NSN: 5962-01-099-6382
FSC: 5962
CAGE: 11627 — L3 TECHNOLOGIES, INC. DIV COMMUNICATION SYSTEMS-WEST (USA)
SPECIFICATIONS
body_width0.302 INCHES MAXIMUM IN
body_height0.175 INCHES MAXIMUM IN
body_length0.925 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND BURN IN AND BIPOLAR
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
memory_device_typePROM
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_pattern12 INPUT
inclosure_configurationDUAL-IN-LINE
NSN5962-01-099-6382
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Rexel MICROCIRCUIT,MEMORY TITLE COMPONENT PN 21008-04 MFR Rexel MICROCIRCUIT,MEMORY
KEY FEATURES
•
OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
•
TEST DATA DOCUMENT: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
•
TIME RATING PER CHACTERISTIC: 80.00 NANOSECONDS MAXIMUM DELAY NS
•
CURRENT RATING PER CHARACTERISTIC: 140.00 MILLIAMPERES MAXIMUM SUPPLY
•
MEMORY DEVICE TYPE: PROM
•
TERMINAL SURFACE TREATMENT: SOLDER
•
CAPITANCE RATING PER CHARACTERISTIC: 5.00 INPUT PICOFARADS NOMINAL AND 8.00 OUTPUT PICOFARADS NOMINAL
•
VOLTAGE RATING AND TYPE PER CHARACTERISTIC: 7.0 VOLTS MAXIMUM POWER SOURCE
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)
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
TEST DATA DOCUMENT96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
TIME RATING PER CHACTERISTIC80.00 NANOSECONDS MAXIMUM DELAY NS
CURRENT RATING PER CHARACTERISTIC140.00 MILLIAMPERES MAXIMUM SUPPLY
MEMORY DEVICE TYPEPROM
TERMINAL SURFACE TREATMENTSOLDER
CAPITANCE RATING PER CHARACTERISTIC5.00 INPUT PICOFARADS NOMINAL AND 8.00 OUTPUT PICOFARADS NOMINAL
VOLTAGE RATING AND TYPE PER CHARACTERISTIC7.0 VOLTS MAXIMUM POWER SOURCE
TERMINAL TYPE AND QUANTITY18 PRINTED CIRCUIT
FEATURES PROVIDEDHERMETICALLY SEALED AND BURN IN AND BIPOLAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
21008-05Interchangeable
interchangeable cross-reference
interchangeable
S82S137I/883BInterchangeable
interchangeable cross-reference
interchangeable
MM5353-1D/883BInterchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 030Interchangeable
interchangeable cross-reference
interchangeable
DM54S573J/883Interchangeable
interchangeable cross-reference
interchangeable
HM1-7643-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21008-04?
21008-04 is a MICROCIRCUIT,MEMORY manufactured by Rexel.
What parts can replace 21008-04?
There are 19 known substitutes for 21008-04: 21008-05, S82S137I/883B, MM5353-1D/883B and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21008-04?
21008-04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-099-6382. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026