PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55326DMQBMicrocircuit,digital

Fairchild Semiconductor Corp · NSN 5962-01-221-5738 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-221-5738 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-221-5738. Primary manufacturer part number: 55326DMQB.
Features
  • Microcircuit,digital — FSC 5962
  • Maximum Power Dissipation Rating: 1.375 WATTS
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
  • Body Width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
  • Voltage Rating and Type Per Characteristic: 7.0 VOLTS MAXIMUM POWER SOURCE
  • Terminal Surface Treatment: SOLDER
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Body Length: 0.840 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-221-5738, 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 Fairchild Semiconductor Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 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
NSN5962-01-221-5738
Primary Part Number55326DMQB
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusCANCELLED
Maximum Power Dissipation Rating1.375 WATTS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Voltage Rating and Type Per Characteristic7.0 VOLTS MAXIMUM POWER SOURCE
Terminal Surface TreatmentSOLDER
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Length0.840 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-M-38510/130 GOVERNMENT SPECIFICATION
Features ProvidedHERMETICALLY SEALED AND BURN IN AND BIPOLAR AND MONOLITHIC AND W/STROBE
Inclosure MaterialCERAMIC
Design Function and Quantity4 DRIVER, MEMORY CORE
Input Circuit Pattern5 INPUT
Test Data Document81349-MIL-M-38510 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Inclosure ConfigurationDUAL-IN-LINE
Body Height0.185 INCHES NOMINAL IN
Case Outline Source and DesignatorD-2 MIL-M-38510
Time Rating Per Chacteristic45.00 NANOSECONDS MAXIMUM DELAY NS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Terminal Type and Quantity16 PRINTED CIRCUIT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5985-01-042-1388 INTERCHANGEABLE
Isolator,radio Frequency Reflect
7690-01-092-17134AMY INTERCHANGEABLE
Label
Lem Products, Inc
5962-01-188-8738 INTERCHANGEABLE
Microcircuit,digital
5962-01-202-8613 INTERCHANGEABLE
Microcircuit,digital
4470-01-397-6938 INTERCHANGEABLE
Demister
5310-01-478-9306553-26 INTERCHANGEABLE
Nut,self-Locking,round
Rix Industries
5930-01-496-769355326 INTERCHANGEABLE
Switch,thermostatic
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
55326DMQB Fairchild Semiconductor Corp (USA)
A584A095-101 Texas Instruments Incorporated (USA)
SG55326J/883C Microsemi Corp Analog Mixed Signal Group (USA)
MIL-M-38510/130 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38510/13002BEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
55326 Texas Instruments Incorporated (USA)
A584A095-101 Kearfott Corporation Div Guidance and Navigation Division (USA)
M38510/13002BEX Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SNJ55326J Texas Instruments Incorporated (USA)
C11032-1 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
M38510/13002BEB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-01-042-1388INTERCHANGEABLE
ISOLATOR,RADIO FREQUENCY REFLECT
7690-01-092-1713INTERCHANGEABLE
LABEL
4AMY
5962-01-188-8738INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-202-8613INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4470-01-397-6938INTERCHANGEABLE
DEMISTER
5310-01-478-9306INTERCHANGEABLE
NUT,SELF-LOCKING,ROUND
553-26
5930-01-496-7693INTERCHANGEABLE
SWITCH,THERMOSTATIC
55326

Frequently Asked Questions

What is NSN 5962-01-221-5738?

NSN 5962-01-221-5738 is a Microcircuit,digital, manufactured by Fairchild Semiconductor Corp, classified under FSC 5962 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5962-01-221-5738?

NSN 5962-01-221-5738 has 11 cross-referenced part numbers: 55326DMQB (Fairchild Semiconductor Corp), A584A095-101 (Texas Instruments Incorporated), SG55326J/883C (Microsemi Corp Analog Mixed Signal Group), MIL-M-38510/130 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M38510/13002BEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 5962-01-221-5738?

There are 7 known substitutes for 5962-01-221-5738: 5985-01-042-1388, 7690-01-092-1713, 5962-01-188-8738 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55326DMQB?

Key specifications for 55326DMQB: Maximum Power Dissipation Rating: 1.375 WATTS; Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC; Body Width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Voltage Rating and Type Per Characteristic: 7.0 VOLTS MAXIMUM POWER SOURCE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-221-5738 still in active supply?

NSN 5962-01-221-5738 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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