PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

949DMQBMicrocircuit,digital

Fairchild Semiconductor Corp · NSN 5962-00-147-4493 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-147-4493 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-147-4493. Primary manufacturer part number: 949DMQB.
Features
  • Microcircuit,digital — FSC 5962
  • Time Rating Per Chacteristic: 50.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 30.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
  • Inclosure Configuration: DUAL-IN-LINE
  • Case Outline Source and Designator: T0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
  • Input Circuit Pattern: QUAD 2 INPUT
  • Body Width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Body Height: 0.140 INCHES MINIMUM AND 0.180 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 5962-00-147-4493, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 20 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
NSN5962-00-147-4493
Primary Part Number949DMQB
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusCANCELLED
Time Rating Per Chacteristic50.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 30.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Inclosure ConfigurationDUAL-IN-LINE
Case Outline Source and DesignatorT0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
Input Circuit PatternQUAD 2 INPUT
Body Width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Height0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Output Logic FormDIODE-TRANSISTOR LOGIC
Terminal Type and Quantity14 PRINTED CIRCUIT
Maximum Power Dissipation Rating109.0 MILLIWATTS
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND MEDIUM SPEED
Voltage Rating and Type Per Characteristic5.5 VOLTS MAXIMUM POWER SOURCE
Body Length0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC AND GLASS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Design Function and Quantity4 GATE, NAND-NOR
Terminal Surface TreatmentSOLDER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3030-00-066-1183 INTERCHANGEABLE
Belts,v,matched Set
5962-00-114-2549949DM INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
5962-00-130-0353 INTERCHANGEABLE
Microcircuit,digital
5960-00-262-0286 INTERCHANGEABLE
Electron Tube
5815-00-705-4992154052 INTERCHANGEABLE
Bar
Alnitak Corporation
5962-01-018-3443 INTERCHANGEABLE
Microcircuit,digital
5962-01-154-443524-469949 INTERCHANGEABLE
Microcircuit,digital
Analogic Corp Data Precision Div
Cross-Reference Index
Part NumberManufacturer
S50-22 Miltope Corporation (USA)
15405-2 Drs Advanced Isr, Llc (USA)
19-003F00M00R00 Concurrent Computer Corporation (USA)
U6A994959 Fairchild Semiconductor Corp (USA)
SN15949N Texas Instruments Incorporated (USA)
MIC949-1D883B Itt Semiconductors Div (USA)
RM949DM883B Raytheon Company Dba Raytheon Co (USA)
U6A994959X Freescale Semiconductor, Inc. (USA)
RM949DM883B Raytheon Company Div Corp (USA)
221G3107 Herley Chicago Dba Stewart Warner Electronics (USA)
U6A994959X Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
HL76238 Fairchild Semiconductor Corp (USA)
7844859P001 Lockheed Martin Corporation Div Rms (USA)
RM949DM883B Raytheon Company (USA)
170A0949C2 Itt Semiconductors Div (USA)
MIC949-1D Itt Semiconductors Div (USA)
170A0949C2 Microwave Engineering Corporation (USA)
694959 Sperry Rand Corp Semiconductor Div (USA)
GM820NF1 Northrop Grumman Systems Corporation (USA)
949PC National Semiconductor Corporation (USA)
Related Parts
3030-00-066-1183INTERCHANGEABLE
BELTS,V,MATCHED SET
5962-00-114-2549INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
949DM
5962-00-130-0353INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5960-00-262-0286INTERCHANGEABLE
ELECTRON TUBE
5815-00-705-4992INTERCHANGEABLE
BAR
154052
5962-01-018-3443INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-154-4435INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
24-469949

Frequently Asked Questions

What is NSN 5962-00-147-4493?

NSN 5962-00-147-4493 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 5962-00-147-4493?

NSN 5962-00-147-4493 has 28 cross-referenced part numbers: S50-22 (Miltope Corporation), 15405-2 (Drs Advanced Isr, Llc), 19-003F00M00R00 (Concurrent Computer Corporation), U6A994959 (Fairchild Semiconductor Corp), SN15949N (Texas Instruments Incorporated) and 23 more.

What NSN replaces 5962-00-147-4493?

There are 7 known substitutes for 5962-00-147-4493: 3030-00-066-1183, 5962-00-114-2549, 5962-00-130-0353 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 949DMQB?

Key specifications for 949DMQB: Time Rating Per Chacteristic: 50.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 30.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS; Inclosure Configuration: DUAL-IN-LINE; Case Outline Source and Designator: T0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL; Input Circuit Pattern: QUAD 2 INPUT. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-00-147-4493 still in active supply?

NSN 5962-00-147-4493 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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