PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4811-183012Transistor

Fluke Corp · NSN 5961-00-917-3478 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-917-3478 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-917-3478. Primary manufacturer part number: 4811-183012.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACT
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Mounting Method: UNTHREADED HOLE(S)
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 1 CASE
  • Power Rating Per Characteristic: 117.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: 7.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-917-3478, 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 Fluke Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 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
NSN5961-00-917-3478
Primary Part Number4811-183012
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFluke Corp
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Mounting MethodUNTHREADED HOLE(S)
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 1 CASE
Power Rating Per Characteristic117.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic7.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.875 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Mounting Facility Quantity2
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, WITH SPECIFIED VOLTAGE BETWEEN BASE AND EMITTER AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-211-5579 INTERCHANGEABLE
Terminal,stud
5995-00-212-194140251 INTERCHANGEABLE
Cable Assembly,radio Frequency
Alliant Techsystems Operations Llc Div Defense Electronic Systems
6105-00-229-0504 INTERCHANGEABLE
Motor,direct Current
5930-00-253-934218301-2 INTERCHANGEABLE
Switch,thermostatic
Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
5975-00-280-95214-0251 INTERCHANGEABLE
Nut,coupling,electrical Conduit
Breeze-Eastern Llc
4920-00-626-591640-251 INTERCHANGEABLE
Hytrol Test Unit
Hydro-Aire Aerospace Corp
5961-00-758-5816 INTERCHANGEABLE
Transistor
5342-00-838-8820 INTERCHANGEABLE
Shield
5330-00-862-9288SRCCA1445 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5961-00-931-823740251 INTERCHANGEABLE
Transistor
Emcore Corporation Div Concord Division
Cross-Reference Index
Part NumberManufacturer
40251 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
40251 Rca Corp Distribution and Special Products (USA)
40251 Renesas Electronics America Inc (USA)
014-588 Ampex Great Britain Ltd (GBR)
SR0666/1 Devonport Royal Dockyard Limited, Devonport Royal Dockyard (GBR)
483230 Fluke Corp (USA)
4811-183012 PRIMARY Fluke Corp (USA)
40-666-695 Hensoldt Uk (GBR)
183012 Fluke Corp (USA)
40251 Rca Corp New Products Div (USA)
Related Parts
5940-00-211-5579INTERCHANGEABLE
TERMINAL,STUD
5995-00-212-1941INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
40251
6105-00-229-0504INTERCHANGEABLE
MOTOR,DIRECT CURRENT
5930-00-253-9342INTERCHANGEABLE
SWITCH,THERMOSTATIC
18301-2
5975-00-280-9521INTERCHANGEABLE
NUT,COUPLING,ELECTRICAL CONDUIT
4-0251
4920-00-626-5916INTERCHANGEABLE
HYTROL TEST UNIT
40-251
5961-00-758-5816INTERCHANGEABLE
TRANSISTOR
5342-00-838-8820INTERCHANGEABLE
SHIELD
5330-00-862-9288INTERCHANGEABLE
GASKET
SRCCA1445
5961-00-931-8237INTERCHANGEABLE
TRANSISTOR
40251
6350-00-932-7962INTERCHANGEABLE
DATUM BOX ASSY
613905-1
5961-01-181-3052INTERCHANGEABLE
TRANSISTOR
209285-008

Frequently Asked Questions

What is NSN 5961-00-917-3478?

NSN 5961-00-917-3478 is a Transistor, manufactured by Fluke Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-917-3478?

NSN 5961-00-917-3478 has 10 cross-referenced part numbers: 40251 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 40251 (Rca Corp Distribution and Special Products), 40251 (Renesas Electronics America Inc), 014-588 (Ampex Great Britain Ltd), SR0666/1 (Devonport Royal Dockyard Limited, Devonport Royal Dockyard) and 5 more.

What NSN replaces 5961-00-917-3478?

There are 12 known substitutes for 5961-00-917-3478: 5940-00-211-5579, 5995-00-212-1941, 6105-00-229-0504 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4811-183012?

Key specifications for 4811-183012: Features Provided: HERMETICALLY SEALED CASE; Internal Configuration: JUNCTION CONTACT; Overall Length: 0.375 INCHES NOMINAL IN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-917-3478 still in active supply?

NSN 5961-00-917-3478 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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