PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WS57C49C-35CMPMicrocircuit,memory

Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics · NSN 5962-01-666-2623 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-666-2623 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-666-2623. Primary manufacturer part number: WS57C49C-35CMP.
Features
  • Microcircuit,memory — FSC 5962
  • Terminal Type and Quantity: 28 LEADLESS
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Inclosure Material: SILICON
  • Output Logic Form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
  • Inclosure Configuration: LEADLESS FLAT PACK
  • 5 verified cross-references
  • Primary manufacturer: Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-666-2623, 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 Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-666-2623
Primary Part NumberWS57C49C-35CMP
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerTeledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics
StatusACTIVE
Terminal Type and Quantity28 LEADLESS
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Inclosure MaterialSILICON
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Inclosure ConfigurationLEADLESS FLAT PACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5962-01-306-5559 INTERCHANGEABLE
Microcircuit,memory
5962-01-320-2539 INTERCHANGEABLE
Microcircuit,memory
5962-01-331-7105 INTERCHANGEABLE
Microcircuit,memory
5962-01-332-8597 INTERCHANGEABLE
Microcircuit,memory
5962-01-360-1551 INTERCHANGEABLE
Microcircuit,memory
5962-01-371-4156 INTERCHANGEABLE
Microcircuit,memory
5962-01-382-4254 INTERCHANGEABLE
Microcircuit,memory
5962-01-434-9097 INTERCHANGEABLE
Microcircuit,memory
5962-01-451-8150 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
WS57C49C-35CMP Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics (USA)
5962-87515 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-87515073A Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
CY7C261-35QMB Infineon Technologies Americas Corp. (USA)
QP7C261-35QMB Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics (USA)
Related Parts
5962-01-306-5559INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-320-2539INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-331-7105INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-332-8597INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-360-1551INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-371-4156INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-382-4254INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-434-9097INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-451-8150INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5962-01-666-2623?

NSN 5962-01-666-2623 is a Microcircuit,memory, manufactured by Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-666-2623?

NSN 5962-01-666-2623 has 5 cross-referenced part numbers: WS57C49C-35CMP (Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics), 5962-87515 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), 5962-87515073A (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit), CY7C261-35QMB (Infineon Technologies Americas Corp.), QP7C261-35QMB (Teledyne Defense Electronics, Llc Dba Teledyne E2v Hirel Electronics).

What NSN replaces 5962-01-666-2623?

There are 9 known substitutes for 5962-01-666-2623: 5962-01-306-5559, 5962-01-320-2539, 5962-01-331-7105 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WS57C49C-35CMP?

Key specifications for WS57C49C-35CMP: Terminal Type and Quantity: 28 LEADLESS; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Inclosure Material: SILICON; Output Logic Form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com