PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RELEASE5221Semiconductor Device,thyristor

Electronic Industries Association · NSN 5961-00-137-0613 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-137-0613 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-137-0613. Primary manufacturer part number: RELEASE5221.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Current Rating Per Characteristic: 5.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
  • Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 450.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
  • Electrode Internally-Electrically Connected to Case: ANODE
  • Internal Configuration: JUNCTION CONTACT
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-137-0613, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5961-00-137-0613
Primary Part NumberRELEASE5221
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusCANCELLED
Power Rating Per Characteristic5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Current Rating Per Characteristic5.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 450.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
Electrode Internally-Electrically Connected to CaseANODE
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Unable to DecodeUNABLE TO DECODE
Overall Diameter0.420 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Specification/standard Data80131-RELEASE5221 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
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
5961-00-163-3803 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
5961-00-482-0728 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-491-2177 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
RELEASE5221 Electronic Industries Association
2N4188A Lacon Electronic Gmbh (DEU)
2N4188 Electronic Industries Association
2N4188 Freescale Semiconductor, Inc. (USA)
2N4188A Adelco Elektronik Gmbh (DEU)
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
5961-00-163-3803INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-225-2132INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-238-2607INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-406-3073INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-482-0728INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-491-2177INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-491-2314INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-929-3815INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 5961-00-137-0613?

NSN 5961-00-137-0613 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 5961-00-137-0613?

NSN 5961-00-137-0613 has 5 cross-referenced part numbers: RELEASE5221 (Electronic Industries Association), 2N4188A (Lacon Electronic Gmbh), 2N4188 (Electronic Industries Association), 2N4188 (Freescale Semiconductor, Inc.), 2N4188A (Adelco Elektronik Gmbh).

What NSN replaces 5961-00-137-0613?

There are 12 known substitutes for 5961-00-137-0613: 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 RELEASE5221?

Key specifications for RELEASE5221: Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Current Rating Per Characteristic: 5.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 100.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT; Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 450.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-137-0613 still in active supply?

NSN 5961-00-137-0613 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.
PartsTable Design LLC · partstable.com