PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4028184Transistor

Department of the Army Hq United States Army Communications Research and Development Command · NSN 5961-01-207-6542 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-207-6542 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-207-6542. Primary manufacturer part number: B4028184.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Voltage Rating in Volts Per Characteristic: -40.0 MAXIMUM REVERSE GATE TO SOURCE VOLTAGE
  • Semiconductor Material: SILICON
  • Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 1.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-207-6542, 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 Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5961-01-207-6542
Primary Part NumberB4028184
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDepartment of the Army Hq United States Army Communications Research and Development Command
StatusACTIVE
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Voltage Rating in Volts Per Characteristic-40.0 MAXIMUM REVERSE GATE TO SOURCE VOLTAGE
Semiconductor MaterialSILICON
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM GATE CURRENT
Mounting MethodTERMINAL
Overall Diameter0.230 INCHES MAXIMUM IN
Power Rating Per Characteristic1.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length0.500 INCHES MINIMUM IN
Internal ConfigurationFIELD EFFECT
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-177-3356 INTERCHANGEABLE
Transistor
5961-00-243-9159 INTERCHANGEABLE
Transistor
5961-00-403-4293911416-3 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc.
5961-00-476-6663 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
B4028184 PRIMARY Department of the Army Hq United States Army Communications Research and Development Command (USA)
2N4858A Siliconix Incorporated Div Siliconix (USA)
Related Parts
5961-00-177-3356INTERCHANGEABLE
TRANSISTOR
5961-00-243-9159INTERCHANGEABLE
TRANSISTOR
5961-00-403-4293INTERCHANGEABLE
TRANSISTOR
911416-3
5961-00-476-6663INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-207-6542?

NSN 5961-01-207-6542 is a Transistor, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-207-6542?

NSN 5961-01-207-6542 has 2 cross-referenced part numbers: B4028184 (Department of the Army Hq United States Army Communications Research and Development Command), 2N4858A (Siliconix Incorporated Div Siliconix).

What NSN replaces 5961-01-207-6542?

There are 4 known substitutes for 5961-01-207-6542: 5961-00-177-3356, 5961-00-243-9159, 5961-00-403-4293 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B4028184?

Key specifications for B4028184: Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: -40.0 MAXIMUM REVERSE GATE TO SOURCE VOLTAGE; Semiconductor Material: SILICON; Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT. 12 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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