PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N681Semiconductor Device,thyristor

Joint Electron Device Engineering Council · NSN 5961-00-459-4005 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-459-4005 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-459-4005. Primary manufacturer part number: 2N681.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Overall Width Across Flats: 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.250 INCHES IN
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
  • Mounting Facility Quantity: 1
  • Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS AMBIENT AIR DEGC
  • Current Rating Per Characteristic: 80.00 MILLIAMPERES MAXIMUM GATE TRIGGER CURRENT, DC AND 16.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-459-4005, 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 Joint Electron Device Engineering Council. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-459-4005
Primary Part Number2N681
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerJoint Electron Device Engineering Council
StatusCANCELLED
Overall Width Across Flats0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Nominal Thread Size0.250 INCHES IN
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Mounting Facility Quantity1
Maximum Operating Temp Per Measurement Point125.0 CELSIUS AMBIENT AIR DEGC
Current Rating Per Characteristic80.00 MILLIAMPERES MAXIMUM GATE TRIGGER CURRENT, DC AND 16.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Terminal Type and Quantity2 TAB, SOLDER LUG AND 1 THREADED STUD
Features ProvidedHERMETICALLY SEALED CASE
Test Data Document81349-MIL S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data81349-MIL-S-19500/108 GOVERNMENT SPECIFICATION
Thread Series DesignatorUNF
Voltage Rating in Volts Per Characteristic2.0 MAXIMUM FORWARD VOLTAGE, PEAK AND 3.0 MAXIMUM GATE TRIGGER VOLTAGE, DC
Mounting MethodTHREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-008-9784 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-060-6817 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-226-8697 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-262-5667 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-494-9005 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-503-8997 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-724-5432 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-752-6087 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-772-90671661298 INTERCHANGEABLE
Semiconductor Device,diode
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-00-842-2624 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
2N681 Joint Electron Device Engineering Council
353-6041-001 Diodes Inc (USA)
353-6041-001 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
353-9027-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
353-6041-001 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
10129845 Nimikkeistokeskus Ncb Finland (FIN)
2N682 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
JANTX2N682 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4192800-474 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
353-1848-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MIL-S-19500/108B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/108 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TX2N682 General Electric Co Semi-Conductor Products Dept (USA)
353-6041-002 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
C35U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3505026-003 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
2N682 Infineon Technologies Americas Corp (USA)
2N682 Trw Electronics and Defense Sector Rf Devices (USA)
2N681 Electronic Industries Association
TX2N682 Trw Electronics and Defense Sector Rf Devices (USA)
Related Parts
5961-00-008-9784INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-060-6817INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-226-8697INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-262-5667INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-494-9005INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-503-8997INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-724-5432INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-752-6087INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-772-9067INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1661298
5961-00-842-2624INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-845-1245INTERCHANGEABLE
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SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 5961-00-459-4005?

NSN 5961-00-459-4005 is a Semiconductor Device,thyristor, manufactured by Joint Electron Device Engineering Council, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-459-4005?

NSN 5961-00-459-4005 has 23 cross-referenced part numbers: 2N681 (Joint Electron Device Engineering Council), 353-6041-001 (Diodes Inc), 353-6041-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 353-9027-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 353-6041-001 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems) and 18 more.

What NSN replaces 5961-00-459-4005?

There are 12 known substitutes for 5961-00-459-4005: 5961-00-008-9784, 5961-00-060-6817, 5961-00-226-8697 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N681?

Key specifications for 2N681: Overall Width Across Flats: 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Nominal Thread Size: 0.250 INCHES IN; Special Features: JUNCTION PATTERN ARRANGEMENT: PNPN; Semiconductor Material: SILICON. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-459-4005 still in active supply?

NSN 5961-00-459-4005 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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