PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4049UBFMQBMicrocircuit,digital

Fairchild Semiconductor Corp · NSN 5962-01-099-8515 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-099-8515 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-099-8515. Primary manufacturer part number: 4049UBFMQB.
Features
  • Microcircuit,digital — FSC 5962
  • Body Width: 0.275 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 16 FLAT LEADS
  • Input Circuit Pattern: HEX 1 INPUT
  • Time Rating Per Chacteristic: 100.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 55.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
  • Body Length: 0.390 INCHES MAXIMUM IN
  • Output Logic Form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-099-8515, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5962-01-099-8515
Primary Part Number4049UBFMQB
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusCANCELLED
Body Width0.275 INCHES MAXIMUM IN
Terminal Type and Quantity16 FLAT LEADS
Input Circuit PatternHEX 1 INPUT
Time Rating Per Chacteristic100.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 55.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Body Length0.390 INCHES MAXIMUM IN
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Maximum Power Dissipation Rating500.0 MILLIWATTS
Voltage Rating and Type Per Characteristic15.5 VOLTS MAXIMUM POWER SOURCE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Design Function and Quantity6 BUFFER, INVERTING
Body Height0.080 INCHES MAXIMUM IN
Inclosure ConfigurationFLAT PACK
Current Rating Per Characteristic1.00 MICROAMPERES NOMINAL SUPPLY
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND COMPLEMENTARY OUTPUTS
Terminal Surface TreatmentSOLDER
Inclosure MaterialCERAMIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6665-00-411-994808-79014 INTERCHANGEABLE
Reagent Kit,chromi
Mine Safety Appliances Company
5962-01-108-1966 INTERCHANGEABLE
Microcircuit,digital
5962-01-208-8534SCL4049UBC INTERCHANGEABLE
Microcircuit,digital
Allegro Microsystems Inc
3110-01-280-6445 INTERCHANGEABLE
Bearing,ball,annular
5962-01-436-7834 INTERCHANGEABLE
Microcircuit,digital
3530-01-655-3965 INTERCHANGEABLE
Presser Foot,sewing Machine
Cross-Reference Index
Part NumberManufacturer
4049UBFMQB Fairchild Semiconductor Corp (USA)
4049B Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
156-0494-02 Tektronix, Inc. (USA)
SCL4049UBC Allegro Microsystems Inc (USA)
SCL4049UBF Allegro Microsystems Inc (USA)
7901401FB Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-7901401BFB Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
7901401FA Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
7901401FX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
5962-7901401BFX Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
79014 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
7901401FC Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (standard Microcircuit (USA)
10310737 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
6665-00-411-9948INTERCHANGEABLE
REAGENT KIT,CHROMI
08-79014
5962-01-108-1966INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-208-8534INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SCL4049UBC
3110-01-280-6445INTERCHANGEABLE
BEARING,BALL,ANNULAR
5962-01-436-7834INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3530-01-655-3965INTERCHANGEABLE
PRESSER FOOT,SEWING MACHINE

Frequently Asked Questions

What is NSN 5962-01-099-8515?

NSN 5962-01-099-8515 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 5962-01-099-8515?

NSN 5962-01-099-8515 has 13 cross-referenced part numbers: 4049UBFMQB (Fairchild Semiconductor Corp), 4049B (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd), 156-0494-02 (Tektronix, Inc.), SCL4049UBC (Allegro Microsystems Inc), SCL4049UBF (Allegro Microsystems Inc) and 8 more.

What NSN replaces 5962-01-099-8515?

There are 6 known substitutes for 5962-01-099-8515: 6665-00-411-9948, 5962-01-108-1966, 5962-01-208-8534 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4049UBFMQB?

Key specifications for 4049UBFMQB: Body Width: 0.275 INCHES MAXIMUM IN; Terminal Type and Quantity: 16 FLAT LEADS; Input Circuit Pattern: HEX 1 INPUT; Time Rating Per Chacteristic: 100.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 55.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-099-8515 still in active supply?

NSN 5962-01-099-8515 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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