PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RELEASE3171Semiconductor Device,thyristor

Electronic Industries Association · NSN 5961-00-988-8857 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-988-8857 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-988-8857. Primary manufacturer part number: RELEASE3171.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Mounting Method: THREADED STUD(S)
  • Internal Configuration: JUNCTION CONTACT
  • Nominal Thread Size: 0.190 INCHES IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKOVER VOLTAGE, DC
  • Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC
  • Mounting Facility Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-988-8857, 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 Electronic Industries Association. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-988-8857
Primary Part NumberRELEASE3171
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusCANCELLED
Mounting MethodTHREADED STUD(S)
Internal ConfigurationJUNCTION CONTACT
Nominal Thread Size0.190 INCHES IN
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM BREAKOVER VOLTAGE, DC
Maximum Operating Temp Per Measurement Point125.0 CELSIUS JUNCTION DEGC
Mounting Facility Quantity1
Semiconductor MaterialSILICON
Overall Diameter0.400 INCHES MINIMUM IN
Overall Width Across Flats0.437 INCHES MAXIMUM IN
Specification/standard Data80131-RELEASE3171 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Terminal Type and Quantity2 TAB, SOLDER LUG AND 1 THREADED STUD
Thread Series DesignatorUNF
Current Rating Per Characteristic4.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-00-067-80682N1598 INTERCHANGEABLE
Semiconductor Device,thyristor
Semitronics Corp
5961-00-079-5958 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-702-8032 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-814-8865 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-875-7925 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-892-0988 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-958-5416 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
RELEASE3171 Electronic Industries Association
2N1601 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
2N1601 Trw Electronics and Defense Sector Rf Devices (USA)
2N1601 Semitronics Corp (USA)
2N1601 Solid State Devices, Inc (USA)
2284933 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2N1601 Semicon Components Inc (USA)
2N1601 Infineon Technologies Americas Corp (USA)
2N1601 Electronic Industries Association
Related Parts
5961-00-067-8068INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
2N1598
5961-00-079-5958INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-702-8032INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-814-8865INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-875-7925INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-892-0988INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-958-5416INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 5961-00-988-8857?

NSN 5961-00-988-8857 is a Semiconductor Device,thyristor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-988-8857?

NSN 5961-00-988-8857 has 9 cross-referenced part numbers: RELEASE3171 (Electronic Industries Association), 2N1601 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 2N1601 (Trw Electronics and Defense Sector Rf Devices), 2N1601 (Semitronics Corp), 2N1601 (Solid State Devices, Inc) and 4 more.

What NSN replaces 5961-00-988-8857?

There are 7 known substitutes for 5961-00-988-8857: 5961-00-067-8068, 5961-00-079-5958, 5961-00-702-8032 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RELEASE3171?

Key specifications for RELEASE3171: Mounting Method: THREADED STUD(S); Internal Configuration: JUNCTION CONTACT; Overall Length: 0.400 INCHES MAXIMUM IN; Nominal Thread Size: 0.190 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-988-8857 still in active supply?

NSN 5961-00-988-8857 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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