PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N4649Semiconductor Device,diode

Trw Electronics and Defense Sector Rf Devices · NSN 5961-00-276-8256 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-276-8256 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-276-8256. Primary manufacturer part number: 1N4649.
Features
  • Semiconductor Device,diode — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
  • Specification/standard Data: 80131-RELEASE5137 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Voltage Rating in Volts Per Characteristic: 3.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Current Rating Per Characteristic: 76.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
  • Mounting Method: TERMINAL
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Length: 1.000 INCHES MINIMUM IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-276-8256, 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 Trw Electronics and Defense Sector Rf Devices. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5961-00-276-8256
Primary Part Number1N4649
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTrw Electronics and Defense Sector Rf Devices
StatusACTIVE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Specification/standard Data80131-RELEASE5137 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Voltage Rating in Volts Per Characteristic3.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
Current Rating Per Characteristic76.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.000 INCHES MINIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-15
Overall Diameter0.140 INCHES MAXIMUM IN
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MaterialGLASS ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-260-2621 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-276-8265 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-652-8720 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-721-3614 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-309-5939 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N4649 Trw Electronics and Defense Sector Rf Devices (USA)
1N4649 Electronic Industries Association
RELEASE5137 Electronic Industries Association
Related Parts
5961-00-260-2621INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-276-8265INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-652-8720INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-721-3614INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-309-5939INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-276-8256?

NSN 5961-00-276-8256 is a Semiconductor Device,diode, manufactured by Trw Electronics and Defense Sector Rf Devices, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-276-8256?

NSN 5961-00-276-8256 has 3 cross-referenced part numbers: 1N4649 (Trw Electronics and Defense Sector Rf Devices), 1N4649 (Electronic Industries Association), RELEASE5137 (Electronic Industries Association).

What NSN replaces 5961-00-276-8256?

There are 5 known substitutes for 5961-00-276-8256: 5961-00-260-2621, 5961-00-276-8265, 5961-00-652-8720 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N4649?

Key specifications for 1N4649: Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC; Specification/standard Data: 80131-RELEASE5137 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Overall Length: 0.300 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 3.3 MAXIMUM NOMINAL REGULATOR VOLTAGE. 14 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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