PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MCR2604L3Semiconductor Device,thyristor

Freescale Semiconductor, Inc. · NSN 5961-00-491-2177 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-491-2177 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-491-2177. Primary manufacturer part number: MCR2604L3.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Electrode Internally-Electrically Connected to Case: ANODE
  • Terminal Length: 1.320 INCHES MINIMUM IN
  • Internal Configuration: JUNCTION CONTACT
  • Current Rating Per Characteristic: 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Power Rating Per Characteristic: 500.0 MILLIWATTS MAXIMUM PEAK GATE POWER DISSIPATION
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
  • Mounting Method: TERMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-491-2177, 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 17 commercial cross-references from 8 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
NSN5961-00-491-2177
Primary Part NumberMCR2604L3
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusCANCELLED
Electrode Internally-Electrically Connected to CaseANODE
Terminal Length1.320 INCHES MINIMUM IN
Internal ConfigurationJUNCTION CONTACT
Current Rating Per Characteristic5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM PEAK GATE POWER DISSIPATION
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM BREAKOVER VOLTAGE, DC
Overall Diameter0.420 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Specification/standard Data80131-RELEASE5221 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-018-9118 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-107-2677 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-115-2249 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-122-1189 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-137-0613 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-163-3803 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-225-2132 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-238-2607 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-406-3073 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-471-2380 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
MCR2604L3 Freescale Semiconductor, Inc. (USA)
2N4186 Electronic Industries Association
2N4185 Freescale Semiconductor, Inc. (USA)
RELEASE5221 Electronic Industries Association
2N4186 Freescale Semiconductor, Inc. (USA)
1884-0018 Hewlett-Packard Company Dba HP (USA)
16758373-204 Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services (USA)
2N4185 Electronic Industries Association
2N4183 Electronic Industries Association
1884-0018 Avago Technologies Us Inc Div Avago Technologies (USA)
2N4186 Boss Mfg Co Industrial Div (USA)
2N4186A Adelco Elektronik Gmbh (DEU)
2N4183 Freescale Semiconductor, Inc. (USA)
MCR2604L4 Freescale Semiconductor, Inc. (USA)
2N4186 Adelco Elektronik Gmbh (DEU)
MCR2604-1 Freescale Semiconductor, Inc. (USA)
Q531786014 Rheinmetall Air Defence Ag (CHE)
Related Parts
5961-00-018-9118INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-107-2677INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-115-2249INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-122-1189INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-137-0613INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-163-3803INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-225-2132INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-238-2607INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-406-3073INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-471-2380INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-482-0728INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-491-2314INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 5961-00-491-2177?

NSN 5961-00-491-2177 is a Semiconductor Device,thyristor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-491-2177?

NSN 5961-00-491-2177 has 17 cross-referenced part numbers: MCR2604L3 (Freescale Semiconductor, Inc.), 2N4186 (Electronic Industries Association), 2N4185 (Freescale Semiconductor, Inc.), RELEASE5221 (Electronic Industries Association), 2N4186 (Freescale Semiconductor, Inc.) and 12 more.

What NSN replaces 5961-00-491-2177?

There are 12 known substitutes for 5961-00-491-2177: 5961-00-018-9118, 5961-00-107-2677, 5961-00-115-2249 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MCR2604L3?

Key specifications for MCR2604L3: Electrode Internally-Electrically Connected to Case: ANODE; Terminal Length: 1.320 INCHES MINIMUM IN; Internal Configuration: JUNCTION CONTACT; Overall Length: 0.185 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-491-2177 still in active supply?

NSN 5961-00-491-2177 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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