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Technical Data Sheet
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639833-01 ✓ 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: 0.500 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, body_height: 0.217 INCHES MAXIMUM IN, body_length: 1.490 INCHES MAXIMUM IN, output_logic_form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC, inclosure_material: CERAMIC, memory_device_type: EEPROM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-381-8874, 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
639833-01
NSN: 5962-01-381-8874
FSC: 5962
CAGE: 07690 — BAE SYSTEMS CONTROLS INC (USA)
SPECIFICATIONS
body_width0.500 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
body_height0.217 INCHES MAXIMUM IN
body_length1.490 INCHES MAXIMUM IN
features_providedELECTROSTATIC SENSITIVE AND HERMETICALLY SEALED AND MONOLITHIC AND PROGRAMMABLE AND PROGRAMMED AND TESTED TO MIL-STD-883 AND ULTRAVIOLET ERASABLE
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC
memory_device_typeEEPROM
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
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
NSN5962-01-381-8874
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN 639833-01 MFR MICROCIRCUIT,MEMORY
KEY FEATURES
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
•
MEMORY DEVICE TYPE: EEPROM
•
CASE OUTLINE SOURCE AND DESIGNATOR: D-10 MIL-M-38510
•
TERMINAL TYPE AND QUANTITY: 28 PRINTED CIRCUIT
•
TERMINAL SURFACE TREATMENT: SOLDER
•
VOLTAGE RATING AND TYPE PER CHARACTERISTIC: -0.6 VOLTS MINIMUM POWER SOURCE AND 14.0 VOLTS MAXIMUM POWER SOURCE
•
TEST DATA DOCUMENT: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
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)
INCLOSURE CONFIGURATIONDUAL-IN-LINE
MEMORY DEVICE TYPEEEPROM
CASE OUTLINE SOURCE AND DESIGNATORD-10 MIL-M-38510
TERMINAL TYPE AND QUANTITY28 PRINTED CIRCUIT
TERMINAL SURFACE TREATMENTSOLDER
PART NAME ASSIGNED BY CONTROLLING AGENCYUV EPROM
VOLTAGE RATING AND TYPE PER CHARACTERISTIC-0.6 VOLTS MINIMUM POWER SOURCE AND 14.0 VOLTS MAXIMUM POWER SOURCE
TEST DATA DOCUMENT96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
INCLOSURE MATERIALCERAMIC
MAXIMUM POWER DISSIPATION RATING500.0 MILLIWATTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
ROM/PROMInterchangeable
interchangeable cross-reference
interchangeable
WS27C256L-12DMBInterchangeable
interchangeable cross-reference
interchangeable
AM27C256-120Interchangeable
interchangeable cross-reference
interchangeable
PG639700-01Interchangeable
interchangeable cross-reference
interchangeable
636789-03Interchangeable
interchangeable cross-reference
interchangeable
639834-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 639833-01?
639833-01 is a MICROCIRCUIT,MEMORY.
What parts can replace 639833-01?
There are 8 known substitutes for 639833-01: ROM/PROM, WS27C256L-12DMB, AM27C256-120 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 639833-01?
639833-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-381-8874. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026