PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N749AASemiconductor Device,diode

Adelco Elektronik Gmbh · NSN 5961-00-228-9641 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-228-9641 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-228-9641. Primary manufacturer part number: 1N749AA.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Current Rating Per Characteristic: 27.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.125 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-228-9641, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Adelco Elektronik Gmbh. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-228-9641
Primary Part Number1N749AA
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAdelco Elektronik Gmbh
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Current Rating Per Characteristic27.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Terminal Length1.000 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTERMINAL
Overall Diameter0.125 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating in Volts Per Characteristic4.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
MaterialGLASS ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-071-9267 INTERCHANGEABLE
Semiconductor Device,diode
5910-00-193-4558533872-1 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Raytheon Company Dba Raytheon
5961-00-673-54661N749A INTERCHANGEABLE
Semiconductor Device,diode
Texas Instruments Incorporated
5961-00-847-1900 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-883-6064 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-951-2140507523-4 INTERCHANGEABLE
Semiconductor Device,diode
Raytheon Company Dba Raytheon
5961-01-045-0616 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-174-0094 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N749AA Adelco Elektronik Gmbh (DEU)
1N749A Freescale Semiconductor, Inc. (USA)
1N749A Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
0-4M4-3AZ5 Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-071-9267INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5910-00-193-4558INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
533872-1
5961-00-673-5466INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N749A
5961-00-847-1900INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-883-6064INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-951-2140INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
507523-4
5961-01-045-0616INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-174-0094INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-228-9641?

NSN 5961-00-228-9641 is a Semiconductor Device,diode, manufactured by Adelco Elektronik Gmbh, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-228-9641?

NSN 5961-00-228-9641 has 4 cross-referenced part numbers: 1N749AA (Adelco Elektronik Gmbh), 1N749A (Freescale Semiconductor, Inc.), 1N749A (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 0-4M4-3AZ5 (Freescale Semiconductor, Inc.).

What NSN replaces 5961-00-228-9641?

There are 8 known substitutes for 5961-00-228-9641: 5961-00-071-9267, 5910-00-193-4558, 5961-00-673-5466 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N749AA?

Key specifications for 1N749AA: Material: SILICON SEMICONDUCTOR; Current Rating Per Characteristic: 27.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT; Terminal Length: 1.000 INCHES MINIMUM IN; Features Provided: HERMETICALLY SEALED CASE. 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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