PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5166Semiconductor Device,thyristor

Electronic Industries Association · NSN 5961-01-033-9378 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-033-9378 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-033-9378. Primary manufacturer part number: 2N5166.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 105.0 CELSIUS CASE DEGC
  • Overall Diameter: 0.505 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 20.00 AMPERES NOMINAL ON-STATE CURRENT, RMS TOTAL
  • Mounting Method: PRESS FIT
  • Semiconductor Material: SILICON
  • Electrode Internally-Electrically Connected to Case: ANODE
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER-FORWARD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-033-9378, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-033-9378
Primary Part Number2N5166
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusACTIVE
Maximum Operating Temp Per Measurement Point105.0 CELSIUS CASE DEGC
Overall Diameter0.505 INCHES MAXIMUM IN
Current Rating Per Characteristic20.00 AMPERES NOMINAL ON-STATE CURRENT, RMS TOTAL
Mounting MethodPRESS FIT
Semiconductor MaterialSILICON
Electrode Internally-Electrically Connected to CaseANODE
Power Rating Per Characteristic5.0 WATTS MAXIMUM PEAK GATE POWER-FORWARD
Voltage Rating in Volts Per Characteristic400.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE
Terminal Type and Quantity2 TAB, SOLDER LUG
Internal ConfigurationJUNCTION CONTACT
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-069-5057 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-233-7193 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-450-1177 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-484-7978 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-493-0401 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-935-5043 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
2N5166 Electronic Industries Association
790-345 Bow Industries of Virginia Inc Dba Bow Industries (USA)
2N5166 Freescale Semiconductor, Inc. (USA)
RELEASE 5700 Electronic Industries Association
Related Parts
5961-00-069-5057INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-233-7193INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-450-1177INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-484-7978INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-493-0401INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-935-5043INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 5961-01-033-9378?

NSN 5961-01-033-9378 is a Semiconductor Device,thyristor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-033-9378?

NSN 5961-01-033-9378 has 4 cross-referenced part numbers: 2N5166 (Electronic Industries Association), 790-345 (Bow Industries of Virginia Inc Dba Bow Industries), 2N5166 (Freescale Semiconductor, Inc.), RELEASE 5700 (Electronic Industries Association).

What NSN replaces 5961-01-033-9378?

There are 6 known substitutes for 5961-01-033-9378: 5961-00-069-5057, 5961-00-233-7193, 5961-00-450-1177 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5166?

Key specifications for 2N5166: Maximum Operating Temp Per Measurement Point: 105.0 CELSIUS CASE DEGC; Overall Length: 0.380 INCHES MAXIMUM IN; Overall Diameter: 0.505 INCHES MAXIMUM IN; Current Rating Per Characteristic: 20.00 AMPERES NOMINAL ON-STATE CURRENT, RMS TOTAL. 13 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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