PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CY7C291A-25WMBMicrocircuit,memory

Infineon Technologies Americas Corp. · NSN 5962-01-481-3630 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-481-3630 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-481-3630. Primary manufacturer part number: CY7C291A-25WMB.
Features
  • Microcircuit,memory — FSC 5962
  • Inclosure Configuration: DUAL-IN-LINE
  • Maximum Power Dissipation Rating: 550.0 MILLIWATTS
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
  • Terminal Type and Quantity: 24 PRINTED CIRCUIT
  • Memory Device Type: PROM
  • Voltage Rating and Type Per Characteristic: 4.5 VOLTS MINIMUM POWER SOURCE AND 5.0 VOLTS MAXIMUM POWER SOURCE
  • Time Rating Per Chacteristic: 25.00 NANOSECONDS NOMINAL ACCESS NS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-481-3630, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Infineon Technologies Americas Corp.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5962-01-481-3630
Primary Part NumberCY7C291A-25WMB
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerInfineon Technologies Americas Corp.
StatusCANCELLED
Inclosure ConfigurationDUAL-IN-LINE
Maximum Power Dissipation Rating550.0 MILLIWATTS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Terminal Type and Quantity24 PRINTED CIRCUIT
Memory Device TypePROM
Voltage Rating and Type Per Characteristic4.5 VOLTS MINIMUM POWER SOURCE AND 5.0 VOLTS MAXIMUM POWER SOURCE
Time Rating Per Chacteristic25.00 NANOSECONDS NOMINAL ACCESS NS
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Features ProvidedMONOLITHIC AND ULTRAVIOLET ERASABLE
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5962-01-305-3719 INTERCHANGEABLE
Microcircuit,memory
5962-01-354-4135 INTERCHANGEABLE
Microcircuit,memory
5962-01-392-9917G428519 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon Co
5962-01-403-2664 INTERCHANGEABLE
Microcircuit,memory
5962-01-412-2834 INTERCHANGEABLE
Microcircuit,memory
5962-01-417-7652 INTERCHANGEABLE
Microcircuit,memory
5962-01-471-0254 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
CY7C291A-25WMB Infineon Technologies Americas Corp. (USA)
CY7C291A-20WC Infineon Technologies Americas Corp. (USA)
5962-87650 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
5962-8765005LX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-8765005LA Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
Related Parts
5962-01-305-3719INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-354-4135INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-392-9917INTERCHANGEABLE
MICROCIRCUIT,MEMORY
G428519
5962-01-403-2664INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-412-2834INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-417-7652INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-471-0254INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5962-01-481-3630?

NSN 5962-01-481-3630 is a Microcircuit,memory, manufactured by Infineon Technologies Americas Corp., classified under FSC 5962 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5962-01-481-3630?

NSN 5962-01-481-3630 has 6 cross-referenced part numbers: CY7C291A-25WMB (Infineon Technologies Americas Corp.), CY7C291A-20WC (Infineon Technologies Americas Corp.), 5962-87650 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), ROM/PROM (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 5962-8765005LX (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit) and 1 more.

What NSN replaces 5962-01-481-3630?

There are 7 known substitutes for 5962-01-481-3630: 5962-01-305-3719, 5962-01-354-4135, 5962-01-392-9917 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CY7C291A-25WMB?

Key specifications for CY7C291A-25WMB: Inclosure Configuration: DUAL-IN-LINE; Maximum Power Dissipation Rating: 550.0 MILLIWATTS; Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC; Part Name Assigned by Controlling Agency: MICROCIRCUITS, MEMORY, DIGITAL, CMOS, 2K X 8 UV ERASABLE, PROM, MONOLITHIC SILICON. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-481-3630 still in active supply?

NSN 5962-01-481-3630 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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