PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N646Semiconductor Device,diode

Stellant Systems Inc · NSN 5961-00-901-7819 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-901-7819 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-901-7819. Primary manufacturer part number: 1N646.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Overall Diameter: 0.150 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Power Rating Per Characteristic: 0.6 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Features Provided: HERMETICALLY SEALED CASE
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC
  • 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 5961-00-901-7819, 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 Stellant Systems Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-901-7819
Primary Part Number1N646
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerStellant Systems Inc
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Overall Diameter0.150 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic300.0 MAXIMUM REVERSE VOLTAGE, PEAK
Power Rating Per Characteristic0.6 WATTS MAXIMUM TOTAL POWER DISSIPATION
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodTERMINAL
Terminal Length1.000 INCHES MINIMUM IN
Current Rating Per Characteristic0.40 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-583-42498826051 INTERCHANGEABLE
Semiconductor Device,diode
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
5961-00-752-52592578059 INTERCHANGEABLE
Semiconductor Device Set
Honeywell International Inc. Dba Honeywell International
5961-01-123-0785 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1D19-1 Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial (USA)
1N646 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
1N646 Trw Electronics and Defense Sector Rf Devices (USA)
632257-2 Honeywell International Inc. Dba Honeywell International (USA)
1N646 PRIMARY Stellant Systems Inc (USA)
Related Parts
5961-00-583-4249INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
8826051
5961-00-752-5259INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
2578059
5961-01-123-0785INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-901-7819?

NSN 5961-00-901-7819 is a Semiconductor Device,diode, manufactured by Stellant Systems Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-901-7819?

NSN 5961-00-901-7819 has 5 cross-referenced part numbers: 1D19-1 (Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial), 1N646 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 1N646 (Trw Electronics and Defense Sector Rf Devices), 632257-2 (Honeywell International Inc. Dba Honeywell International), 1N646 (Stellant Systems Inc).

What NSN replaces 5961-00-901-7819?

There are 3 known substitutes for 5961-00-901-7819: 5961-00-583-4249, 5961-00-752-5259, 5961-01-123-0785. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N646?

Key specifications for 1N646: Material: SILICON SEMICONDUCTOR; Overall Diameter: 0.150 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM REVERSE VOLTAGE, PEAK; Power Rating Per Characteristic: 0.6 WATTS MAXIMUM TOTAL POWER DISSIPATION. 11 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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