PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MCR3918-2Semiconductor Device,thyristor

Freescale Semiconductor, Inc. · NSN 5961-01-045-8242 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-045-8242 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-045-8242. Primary manufacturer part number: MCR3918-2.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Mounting Facility Quantity: 1
  • Overall Width Across Flats: 0.551 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
  • Terminal Type and Quantity: 1 THREADED STUD AND 2 TAB, SOLDER LUG
  • Features Provided: HERMETICALLY SEALED CASE
  • Nominal Thread Size: 0.250 INCHES IN
  • Test Data Document: 09448-HY233-5 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-045-8242, 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 Freescale Semiconductor, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5961-01-045-8242
Primary Part NumberMCR3918-2
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Mounting Facility Quantity1
Overall Width Across Flats0.551 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
Power Rating Per Characteristic5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
Terminal Type and Quantity1 THREADED STUD AND 2 TAB, SOLDER LUG
Features ProvidedHERMETICALLY SEALED CASE
Nominal Thread Size0.250 INCHES IN
Test Data Document09448-HY233-5 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Mounting MethodTHREADED STUD(S)
Current Rating Per Characteristic20.00 AMPERES MAXIMUM ON-STATE CURRENT, RMS TOTAL AND 240.00 AMPERES MAXIMUM PEAK ON-STATE SURGE CURRENT
Thread Series DesignatorUNF
Semiconductor MaterialSILICON
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 75.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE AND 50.0 MAXIMUM REPETITIVE PEAK OFF-STATE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-152-8074 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-484-7978 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
MCR3918-2 Freescale Semiconductor, Inc. (USA)
HY-233-5G202 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
HY233-5G202 Hyperion Industries Inc (USA)
Related Parts
5961-00-152-8074INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-484-7978INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 5961-01-045-8242?

NSN 5961-01-045-8242 is a Semiconductor Device,thyristor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-045-8242?

NSN 5961-01-045-8242 has 3 cross-referenced part numbers: MCR3918-2 (Freescale Semiconductor, Inc.), HY-233-5G202 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), HY233-5G202 (Hyperion Industries Inc).

What NSN replaces 5961-01-045-8242?

There are 2 known substitutes for 5961-01-045-8242: 5961-00-152-8074, 5961-00-484-7978. Verify interchangeability with system specifications before substitution.

What are the specifications of MCR3918-2?

Key specifications for MCR3918-2: Mounting Facility Quantity: 1; Overall Width Across Flats: 0.551 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN; Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION; Terminal Type and Quantity: 1 THREADED STUD AND 2 TAB, SOLDER LUG. 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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