PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N649Semiconductor Device,diode

Telcom Semiconductor Inc · NSN 5961-01-079-3296 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-079-3296 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-079-3296. Primary manufacturer part number: 1N649.
Features
  • Semiconductor Device,diode — FSC 5961
  • Test Data Document: 83298-819782 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Material: SILICON SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 400.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
  • Overall Diameter: 0.125 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
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 5961-01-079-3296, 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 Telcom Semiconductor Inc. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-079-3296
Primary Part Number1N649
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTelcom Semiconductor Inc
StatusACTIVE
Test Data Document83298-819782 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
MaterialSILICON SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.000 INCHES MINIMUM IN
Current Rating Per Characteristic400.00 MILLIAMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Overall Diameter0.125 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic600.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
MaterialGLASS ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-064-2379 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-577-30751N649 INTERCHANGEABLE
Semiconductor Device,diode
Raytheon Company Dba Raytheon
5961-00-848-2359468169-5 INTERCHANGEABLE
Semiconductor Device,diode
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5961-00-940-8440 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-978-5966 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-382-79491N649 INTERCHANGEABLE
Semiconductor Device,diode
Bkc Semiconductors Inc
Cross-Reference Index
Part NumberManufacturer
1N649 Telcom Semiconductor Inc (USA)
819782-26 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
819782-26 Honeywell International, Inc Div Aerospace-Tucson (USA)
Related Parts
5961-00-064-2379INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-577-3075INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N649
5961-00-848-2359INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
468169-5
5961-00-940-8440INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-978-5966INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-382-7949INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N649

Frequently Asked Questions

What is NSN 5961-01-079-3296?

NSN 5961-01-079-3296 is a Semiconductor Device,diode, manufactured by Telcom Semiconductor Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-079-3296?

NSN 5961-01-079-3296 has 3 cross-referenced part numbers: 1N649 (Telcom Semiconductor Inc), 819782-26 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 819782-26 (Honeywell International, Inc Div Aerospace-Tucson).

What NSN replaces 5961-01-079-3296?

There are 6 known substitutes for 5961-01-079-3296: 5961-00-064-2379, 5961-00-577-3075, 5961-00-848-2359 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N649?

Key specifications for 1N649: Test Data Document: 83298-819782 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Material: SILICON SEMICONDUCTOR; Features Provided: HERMETICALLY SEALED CASE; Terminal Length: 1.000 INCHES MINIMUM IN. 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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