PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41018QTransistor

National Security Agency · NSN 5961-00-082-3737 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-082-3737 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-082-3737. Primary manufacturer part number: 41018Q.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 2 UNINSULATED WIRE LEAD AND 1 CASE1 CASE
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 55.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 55.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT
  • Power Rating Per Characteristic: 75.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION75.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Mounting Method: UNTHREADED HOLE(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-082-3737, 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 National Security Agency. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-082-3737
Primary Part Number41018Q
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNational Security Agency
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 2 UNINSULATED WIRE LEAD AND 1 CASE1 CASE
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 55.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 55.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Power Rating Per Characteristic75.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION75.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Mounting MethodUNTHREADED HOLE(S)
Specification/standard Data81349-MIL-S-19500/208 GOVERNMENT SPECIFICATION81349-MIL-S-19500/208 GOVERNMENT SPECIFICATION
Mounting Facility Quantity22
Maximum Operating Temp Per Measurement Point210.0 CELSIUS JUNCTION210.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic3.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM BASE CURRENT, DC AND 6.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC6.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Semiconductor MaterialSILICONSILICON
Overall Diameter0.875 INCHES MAXIMUM0.875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5961-00-052-4115 INTERCHANGEABLE
Transistor
5961-00-226-8692 INTERCHANGEABLE
Transistor
5961-00-857-6133 INTERCHANGEABLE
Transistor
5961-00-983-9748 INTERCHANGEABLE
Transistor
5961-01-600-2151 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
41018Q National Security Agency (USA)
JAN2N1487 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N1488 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/208 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5961PL0941917 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MILS19500-208 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4192800-140 Raytheon Company Div Rmd Strategic (USA)
JHP111-115 Hollingsworth John R Co (USA)
Related Parts
5961-00-052-4115INTERCHANGEABLE
TRANSISTOR
5961-00-226-8692INTERCHANGEABLE
TRANSISTOR
5961-00-857-6133INTERCHANGEABLE
TRANSISTOR
5961-00-983-9748INTERCHANGEABLE
TRANSISTOR
5961-01-600-2151INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-082-3737?

NSN 5961-00-082-3737 is a Transistor, manufactured by National Security Agency, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-082-3737?

NSN 5961-00-082-3737 has 8 cross-referenced part numbers: 41018Q (National Security Agency), JAN2N1487 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N1488 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/208 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5961PL0941917 (Jednolity Indeks Materialowy - Uniform Material Index) and 3 more.

What NSN replaces 5961-00-082-3737?

There are 5 known substitutes for 5961-00-082-3737: 5961-00-052-4115, 5961-00-226-8692, 5961-00-857-6133 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41018Q?

Key specifications for 41018Q: Overall Height: 0.562 INCHES MAXIMUM0.562 INCHES MAXIMUM IN; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 2 UNINSULATED WIRE LEAD AND 1 CASE1 CASE; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 55.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 55.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER; Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-082-3737 still in active supply?

NSN 5961-00-082-3737 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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