PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4028BDMQBMicrocircuit,digital

Fairchild Semiconductor Corp · NSN 5962-01-249-0253 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-249-0253 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-249-0253. Primary manufacturer part number: 4028BDMQB.
Features
  • Microcircuit,digital — FSC 5962
  • Body Width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
  • Body Height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Inclosure Configuration: DUAL-IN-LINE
  • Features Provided: HERMETICALLY SEALED AND MONOLITHIC
  • Body Length: 0.840 INCHES NOMINAL IN
  • Inclosure Material: CERAMIC AND GLASS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-249-0253, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-249-0253
Primary Part Number4028BDMQB
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Body Height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Inclosure ConfigurationDUAL-IN-LINE
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC
Body Length0.840 INCHES NOMINAL IN
Inclosure MaterialCERAMIC AND GLASS
Input Circuit Pattern4 INPUT
Design Function and Quantity1 DECODER, BINARY CODED DECIMAL TO DECIMAL
Time Rating Per Chacteristic350.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 350.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5962-01-125-2231CD4028AD3 INTERCHANGEABLE
Microcircuit,digital
Renesas Electronics America Inc
5962-01-129-84224028BDMQB INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
5962-01-131-001910063969-101 INTERCHANGEABLE
Microcircuit,digital
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5962-01-144-2573 INTERCHANGEABLE
Microcircuit,digital
5962-01-251-8139124445 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
4028BDMQB PRIMARY Fairchild Semiconductor Corp (USA)
2801917-1 Honeywell Intl Inc Defense Avionics Systems (USA)
BCL4028BC Allegro Microsystems Inc (USA)
Related Parts
5962-01-125-2231INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
CD4028AD3
5962-01-129-8422INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4028BDMQB
5962-01-131-0019INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
10063969-101
5962-01-144-2573INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-251-8139INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
124445

Frequently Asked Questions

What is NSN 5962-01-249-0253?

NSN 5962-01-249-0253 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 5962-01-249-0253?

NSN 5962-01-249-0253 has 3 cross-referenced part numbers: 4028BDMQB (Fairchild Semiconductor Corp), 2801917-1 (Honeywell Intl Inc Defense Avionics Systems), BCL4028BC (Allegro Microsystems Inc).

What NSN replaces 5962-01-249-0253?

There are 5 known substitutes for 5962-01-249-0253: 5962-01-125-2231, 5962-01-129-8422, 5962-01-131-0019 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4028BDMQB?

Key specifications for 4028BDMQB: Body Width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Body Height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Inclosure Configuration: DUAL-IN-LINE. 12 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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