PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U6A995879XMicrocircuit,digital

Fairchild Semiconductor Corp · NSN 5962-00-105-4623 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-105-4623 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-105-4623. Primary manufacturer part number: U6A995879X.
Features
  • Microcircuit,digital — FSC 5962
  • Features Provided: MONOLITHIC AND HERMETICALLY SEALED AND RESETTABLE AND POSITIVE OUTPUTS
  • Storage Temp Range: -55.0 TO 150.0 CELSIUS DEGC
  • Inclosure Configuration: DUAL-IN-LINE
  • Case Outline Source and Designator: T0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
  • Terminal Surface Treatment: SOLDER
  • Voltage Rating and Type Per Characteristic: -2.0 VOLTS MINIMUM POWER SOURCE AND 4.0 VOLTS MAXIMUM POWER SOURCE
  • Design Function and Quantity: 1 COUNTER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-105-4623, 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 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-00-105-4623
Primary Part NumberU6A995879X
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
Features ProvidedMONOLITHIC AND HERMETICALLY SEALED AND RESETTABLE AND POSITIVE OUTPUTS
Storage Temp Range-55.0 TO 150.0 CELSIUS DEGC
Inclosure ConfigurationDUAL-IN-LINE
Case Outline Source and DesignatorT0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
Terminal Surface TreatmentSOLDER
Voltage Rating and Type Per Characteristic-2.0 VOLTS MINIMUM POWER SOURCE AND 4.0 VOLTS MAXIMUM POWER SOURCE
Design Function and Quantity1 COUNTER
Time Rating Per Chacteristic300.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
Terminal Type and Quantity14 PRINTED CIRCUIT
Maximum Power Dissipation Rating140.0 MILLIWATTS
Body Height0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Operating Temp Range+0.0 TO 75.0 CELSIUS DEGC
Body Width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC AND GLASS
Input Circuit Pattern6 INPUT
Body Length0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Output Logic FormCOMPLEMENTARY-LOGIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5962-00-090-72059340DM INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
5962-00-147-4520221G3126-1-1 INTERCHANGEABLE
Microcircuit,digital
Herley Chicago Dba Stewart Warner Electronics
5962-00-163-4158 INTERCHANGEABLE
Microcircuit,digital
5962-00-420-5495477-0383-002 INTERCHANGEABLE
Microcircuit,digital
The Boeing Company Div Legacy Boeing Hb1
5962-00-482-0918 INTERCHANGEABLE
Microcircuit,digital
2805-00-939-9822230049 INTERCHANGEABLE
Baffle,engine Head
Kohler Co Engine Plant Div
3040-01-356-4640230049 INTERCHANGEABLE
Cylinder,actuating,linear
Allied Systems Company Dba Allied Systems Co
5961-01-408-6782J503 INTERCHANGEABLE
Semiconductor Device,diode
Siliconix Incorporated Div Siliconix
6750-01-427-2502 INTERCHANGEABLE
Film,photographic
4730-01-571-9623230049N INTERCHANGEABLE
Plug,pipe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
230049 Astronics Test Systems Inc (USA)
CUL9958 Fairchild Semiconductor Corp (USA)
00SSCZ61684 Defense Communications Agency (USA)
U6A995879X PRIMARY Fairchild Semiconductor Corp (USA)
958DC Fairchild Semiconductor Corp (USA)
DMS 82012B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5962-00-090-7205INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
9340DM
5962-00-147-4520INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
221G3126-1-1
5962-00-163-4158INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-00-420-5495INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
477-0383-002
5962-00-482-0918INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2805-00-939-9822INTERCHANGEABLE
BAFFLE,ENGINE HEAD
230049
3040-01-356-4640INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
230049
5961-01-408-6782INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
J503
6750-01-427-2502INTERCHANGEABLE
FILM,PHOTOGRAPHIC
4730-01-571-9623INTERCHANGEABLE
PLUG,PIPE
230049N

Frequently Asked Questions

What is NSN 5962-00-105-4623?

NSN 5962-00-105-4623 is a Microcircuit,digital, manufactured by Fairchild Semiconductor Corp, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-00-105-4623?

NSN 5962-00-105-4623 has 6 cross-referenced part numbers: 230049 (Astronics Test Systems Inc), CUL9958 (Fairchild Semiconductor Corp), 00SSCZ61684 (Defense Communications Agency), U6A995879X (Fairchild Semiconductor Corp), 958DC (Fairchild Semiconductor Corp) and 1 more.

What NSN replaces 5962-00-105-4623?

There are 10 known substitutes for 5962-00-105-4623: 5962-00-090-7205, 5962-00-147-4520, 5962-00-163-4158 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U6A995879X?

Key specifications for U6A995879X: Features Provided: MONOLITHIC AND HERMETICALLY SEALED AND RESETTABLE AND POSITIVE OUTPUTS; Storage Temp Range: -55.0 TO 150.0 CELSIUS DEGC; Inclosure Configuration: DUAL-IN-LINE; Case Outline Source and Designator: T0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL. 17 total characteristics are documented in the Federal Logistics Information System.

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