PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

291230Semiconductor Device,thyristor

Gould Instrument Systems Inc · NSN 5961-01-185-4251 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-185-4251 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-185-4251. Primary manufacturer part number: 291230.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Power Rating Per Characteristic: 10.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
  • Mounting Method: UNTHREADED HOLE(S)
  • Terminal Type and Quantity: 3 PIN
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
  • Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM ON-STATE CURRENT, RMS TOTAL AND 100.00 AMPERES MAXIMUM PEAK ON-STATE CURRENT, NONREPETITIVE AND 2.00 AMPERES MAXIMUM PEAK NEGATIVE GATE CURRENT
  • Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-185-4251, 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 Gould Instrument Systems Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-185-4251
Primary Part Number291230
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGould Instrument Systems Inc
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic10.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
Mounting MethodUNTHREADED HOLE(S)
Terminal Type and Quantity3 PIN
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic10.00 AMPERES MAXIMUM ON-STATE CURRENT, RMS TOTAL AND 100.00 AMPERES MAXIMUM PEAK ON-STATE CURRENT, NONREPETITIVE AND 2.00 AMPERES MAXIMUM PEAK NEGATIVE GATE CURRENT
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Mounting Facility Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-328-0827 INTERCHANGEABLE
Semiconductor Device,thyristor
5925-01-202-4332 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
2N6155 Freescale Semiconductor, Inc. (USA)
291230 PRIMARY Gould Instrument Systems Inc (USA)
Related Parts
5961-00-328-0827INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5925-01-202-4332INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 5961-01-185-4251?

NSN 5961-01-185-4251 is a Semiconductor Device,thyristor, manufactured by Gould Instrument Systems Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-185-4251?

NSN 5961-01-185-4251 has 2 cross-referenced part numbers: 2N6155 (Freescale Semiconductor, Inc.), 291230 (Gould Instrument Systems Inc).

What NSN replaces 5961-01-185-4251?

There are 2 known substitutes for 5961-01-185-4251: 5961-00-328-0827, 5925-01-202-4332. Verify interchangeability with system specifications before substitution.

What are the specifications of 291230?

Key specifications for 291230: Overall Length: 0.645 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED CASE; Power Rating Per Characteristic: 10.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION; Mounting Method: UNTHREADED HOLE(S). 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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