PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6L.5522.518.00-512591Semiconductor Device,thyristor

Leonardo Germany Gmbh · NSN 5961-00-071-9902 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-071-9902 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-071-9902. Primary manufacturer part number: 6L.5522.518.00-512591.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
  • Overall Diameter: 0.620 INCHES MAXIMUM0.620 INCHES MAXIMUM IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Mounting Facility Quantity: 22
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR100.0 CELSIUS AMBIENT AIR DEGC
  • Specification/standard Data: 80131-RELEASE4800 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION80131-RELEASE4800 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-071-9902, 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 Leonardo Germany Gmbh. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-071-9902
Primary Part Number6L.5522.518.00-512591
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLeonardo Germany Gmbh
StatusACTIVE
Power Rating Per Characteristic5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION
Overall Diameter0.620 INCHES MAXIMUM0.620 INCHES MAXIMUM IN
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity22
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point100.0 CELSIUS AMBIENT AIR100.0 CELSIUS AMBIENT AIR DEGC
Specification/standard Data80131-RELEASE4800 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION80131-RELEASE4800 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 2 UNINSULATED WIRE LEAD AND 1 CASE1 CASE
Electrode Internally-Electrically Connected to CaseANODEANODE
Semiconductor MaterialSILICONSILICON
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM BREAKOVER VOLTAGE, DC400.0 MAXIMUM BREAKOVER VOLTAGE, DC
Current Rating Per Characteristic3.20 AMPERES MAXIMUM COLLECTOR CURRENT, DC3.20 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-491-2569 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-00-945-3380 INTERCHANGEABLE
Semiconductor Device,thyristor
7530-01-289-81907530-01-289-8190 INTERCHANGEABLE
Label
North Central Sight Services Inc
5950-01-363-10762-17598-01 INTERCHANGEABLE
Transformer,power
Excelitas Technologies Corp
Cross-Reference Index
Part NumberManufacturer
6L.5522.518.00-512591 Leonardo Germany Gmbh (DEU)
2N3525 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
2N3525 Electronic Industries Association
007-6036-00 Honeywell International Inc. Dba Honeywell Aerospace Div Aerospace-Olathe (USA)
JHP124-049-11 Hollingsworth John R Co (USA)
2N3525 Rca Corp Distribution and Special Products (USA)
2N3525 Powerex, Inc. (USA)
05161 Basler Electric Co (USA)
2N3525 Renesas Electronics America Inc (USA)
RELEASE4800 Electronic Industries Association
Related Parts
5961-00-491-2569INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-00-945-3380INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
7530-01-289-8190INTERCHANGEABLE
LABEL
7530-01-289-8190
5950-01-363-1076INTERCHANGEABLE
TRANSFORMER,POWER
2-17598-01

Frequently Asked Questions

What is NSN 5961-00-071-9902?

NSN 5961-00-071-9902 is a Semiconductor Device,thyristor, manufactured by Leonardo Germany Gmbh, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-071-9902?

NSN 5961-00-071-9902 has 10 cross-referenced part numbers: 6L.5522.518.00-512591 (Leonardo Germany Gmbh), 2N3525 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 2N3525 (Electronic Industries Association), 007-6036-00 (Honeywell International Inc. Dba Honeywell Aerospace Div Aerospace-Olathe), JHP124-049-11 (Hollingsworth John R Co) and 5 more.

What NSN replaces 5961-00-071-9902?

There are 4 known substitutes for 5961-00-071-9902: 5961-00-491-2569, 5961-00-945-3380, 7530-01-289-8190 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6L.5522.518.00-512591?

Key specifications for 6L.5522.518.00-512591: Power Rating Per Characteristic: 5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION5.0 WATTS MAXIMUM PEAK GATE POWER DISSIPATION; Overall Diameter: 0.620 INCHES MAXIMUM0.620 INCHES MAXIMUM IN; Mounting Method: UNTHREADED HOLE(S); Overall Length: 0.340 INCHES MAXIMUM0.340 INCHES MAXIMUM IN. 15 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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