PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N4858Transistor

Texas Instruments Incorporated · NSN 5961-00-177-3356 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-177-3356 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-177-3356. Primary manufacturer part number: 2N4858.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Semiconductor Material: SILICON
  • Specification/standard Data: 80131-RELEASE5360 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Electrode Internally-Electrically Connected to Case: GATE
  • Power Rating Per Characteristic: 1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Internal Configuration: FIELD EFFECT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-177-3356, 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 Texas Instruments Incorporated. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-177-3356
Primary Part Number2N4858
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Overall Diameter0.230 INCHES MAXIMUM IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Specification/standard Data80131-RELEASE5360 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Electrode Internally-Electrically Connected to CaseGATE
Power Rating Per Characteristic1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Internal ConfigurationFIELD EFFECT
Terminal Length0.500 INCHES MINIMUM IN
Mounting MethodTERMINAL
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-18
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM GATE CURRENT
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM DRAIN TO GATE VOLTAGE AND 40.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND -40.0 MAXIMUM REVERSE GATE TO SOURCE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-146-0247 INTERCHANGEABLE
Transistor
5961-00-199-4102 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
5961-00-493-5250 INTERCHANGEABLE
Transistor
5961-01-207-6542B4028184 INTERCHANGEABLE
Transistor
Department of the Army Hq United States Army Communications Research and Development Command
Cross-Reference Index
Part NumberManufacturer
2N4858 Texas Instruments Incorporated (USA)
RELEASE5360 Electronic Industries Association
5016091-002 Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR)
1261915-176 Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div (USA)
2N4858 Joint Electron Device Engineering Council
28459-037 Marconi Instruments Ltd (service Division) (GBR)
2N4858 Electronic Industries Association
2501502-601 Honeywell International Inc. Dba Honeywell International (USA)
2N4858 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N4858 Adelco Elektronik Gmbh (DEU)
531330-3 Raytheon Company Dba Raytheon (USA)
28459-037F Marconi Instruments Ltd (service Division) (GBR)
2N4858A Adelco Elektronik Gmbh (DEU)
10198959 Nimikkeistokeskus Ncb Finland (FIN)
28459-037F Trescal Limited (GBR)
15-09900-00 Compaq Federal Llc (USA)
1261915-176 Honeywell Intl Inc Defense Avionics Systems (USA)
28459-037 Trescal Limited (GBR)
5800583-949000-114 Hensoldt Sensors Gmbh (DEU)
2N4858 National Semiconductor Corporation (USA)
Related Parts
5961-00-146-0247INTERCHANGEABLE
TRANSISTOR
5961-00-199-4102INTERCHANGEABLE
TRANSISTOR
5961-00-243-9159INTERCHANGEABLE
TRANSISTOR
5961-00-403-4293INTERCHANGEABLE
TRANSISTOR
911416-3
5961-00-476-6663INTERCHANGEABLE
TRANSISTOR
5961-00-493-5250INTERCHANGEABLE
TRANSISTOR
5961-01-207-6542INTERCHANGEABLE
TRANSISTOR
B4028184

Frequently Asked Questions

What is NSN 5961-00-177-3356?

NSN 5961-00-177-3356 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-177-3356?

NSN 5961-00-177-3356 has 20 cross-referenced part numbers: 2N4858 (Texas Instruments Incorporated), RELEASE5360 (Electronic Industries Association), 5016091-002 (Thales Uk Limited Dba Thales Uk Ltd Training and Simulation), 1261915-176 (Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div), 2N4858 (Joint Electron Device Engineering Council) and 15 more.

What NSN replaces 5961-00-177-3356?

There are 7 known substitutes for 5961-00-177-3356: 5961-00-146-0247, 5961-00-199-4102, 5961-00-243-9159 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N4858?

Key specifications for 2N4858: Overall Diameter: 0.230 INCHES MAXIMUM IN; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Semiconductor Material: SILICON; Specification/standard Data: 80131-RELEASE5360 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. 14 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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