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PartsTable / COMPONENT / WS57C291-50-CMB
WS57C291-50-CMB ✓ 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: 0.460 INCHES MAXIMUM IN, body_height: 0.088 INCHES MAXIMUM IN, body_length: 0.460 INCHES MAXIMUM IN, features_provided: PROGRAMMABLE AND ULTRAVIOLET ERASABLE AND MONOLITHIC, output_logic_form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR 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 5962-01-412-2834, 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
WS57C291-50-CMB
NSN: 5962-01-412-2834
FSC: 5962
CAGE: 66579 — WAFERSCALE INTEGRATION INC (USA)
SPECIFICATIONS
body_width0.460 INCHES MAXIMUM IN
body_height0.088 INCHES MAXIMUM IN
body_length0.460 INCHES MAXIMUM IN
features_providedPROGRAMMABLE AND ULTRAVIOLET ERASABLE AND MONOLITHIC
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC
memory_device_typeEPROM
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
inclosure_configurationLEADLESS FLAT PACK
terminal_surface_treatmentSOLDER
terminal_type_and_quantity28 LEADLESS
NSN5962-01-412-2834
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN WS57C291-50-CMB MFR MICROCIRCUIT,MEMORY
KEY FEATURES
•
BODY WIDTH: 0.460 INCHES MAXIMUM IN
•
OUTPUT LOGIC FORM: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
•
VOLTAGE RATING AND TYPE PER CHARACTERISTIC: 5.0 VOLTS NOMINAL INPUT
•
TIME RATING PER CHACTERISTIC: 50.00 NANOSECONDS MAXIMUM ACCESS NS
•
CURRENT RATING PER CHARACTERISTIC: 120.00 MILLIAMPERES MAXIMUM SUPPLY
•
TERMINAL SURFACE TREATMENT: SOLDER
•
TERMINAL TYPE AND QUANTITY: 28 LEADLESS
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)
BODY WIDTH0.460 INCHES MAXIMUM IN
OUTPUT LOGIC FORMCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
VOLTAGE RATING AND TYPE PER CHARACTERISTIC5.0 VOLTS NOMINAL INPUT
TIME RATING PER CHACTERISTIC50.00 NANOSECONDS MAXIMUM ACCESS NS
CURRENT RATING PER CHARACTERISTIC120.00 MILLIAMPERES MAXIMUM SUPPLY
TERMINAL SURFACE TREATMENTSOLDER
PART NAME ASSIGNED BY CONTROLLING AGENCYPROGRAMMABLE EPROM
TERMINAL TYPE AND QUANTITY28 LEADLESS
MEMORY DEVICE TYPEEPROM
INCLOSURE MATERIALCERAMIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5962-87650Interchangeable
interchangeable cross-reference
interchangeable
5962-87650033BXInterchangeable
interchangeable cross-reference
interchangeable
5962-87650033AInterchangeable
interchangeable cross-reference
interchangeable
ROM/PROMInterchangeable
interchangeable cross-reference
interchangeable
5962-8765004LAInterchangeable
interchangeable cross-reference
interchangeable
CY7C291-50TMBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WS57C291-50-CMB?
WS57C291-50-CMB is a MICROCIRCUIT,MEMORY.
What parts can replace WS57C291-50-CMB?
There are 17 known substitutes for WS57C291-50-CMB: 5962-87650, 5962-87650033BX, 5962-87650033A and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WS57C291-50-CMB?
WS57C291-50-CMB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-412-2834. 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