PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N3866Transistor

Freescale Semiconductor, Inc. · NSN 5961-00-062-2075 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-062-2075 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-062-2075. Primary manufacturer part number: 2N3866.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION175.0 CELSIUS JUNCTION DEGC
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: 400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Electrode Internally-Electrically Connected to Case: COLLECTORCOLLECTOR
  • Internal Junction Configuration: NPNNPN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-062-2075, 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 Freescale Semiconductor, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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: Active.

Technical Specifications
ParameterValue
NSN5961-00-062-2075
Primary Part Number2N3866
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION175.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Electrode Internally-Electrically Connected to CaseCOLLECTORCOLLECTOR
Internal Junction ConfigurationNPNNPN
Overall Diameter0.350 INCHES MINIMUM AND 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
Mounting MethodTERMINALTERMINAL
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICONSILICON
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-39TO-39
Terminal Circle Diameter0.190 INCHES MINIMUM AND 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM0.210 INCHES MAXIMUM IN
Terminal Length0.500 INCHES MINIMUM0.500 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-096-1926536157-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-168-8389958-033-0003 INTERCHANGEABLE
Semiconductor Device Set
Northrop Grumman Systems Corporation
5961-00-450-1124SM-A-696868-5 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-469-9896352-0671-011 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-00-485-8781 INTERCHANGEABLE
Transistor
5961-00-486-61812N3866 INTERCHANGEABLE
Transistor
L3 Technologies, Inc. Div L3 Telemetry & Rf Products
5961-00-548-1894151-0446-00 INTERCHANGEABLE
Transistor
Tektronix, Inc.
5961-00-759-8867 INTERCHANGEABLE
Transistor
5961-00-896-6014 INTERCHANGEABLE
Transistor
5961-00-931-7028 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N3866 Freescale Semiconductor, Inc. (USA)
02N3866 Mak Industries Inc (USA)
13217E1513 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
5L5512-201-57 Hensoldt Sensors Gmbh Div Seps (DEU)
134155 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
2N3866 Aim Infrarot-Module Gmbh (DEU)
2N3866 British Sarozal Ltd (GBR)
13217E1513 Cecom Lr Center (USA)
SS3893 Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-096-1926INTERCHANGEABLE
TRANSISTOR
536157-1
5961-00-168-8389INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
958-033-0003
5961-00-450-1124INTERCHANGEABLE
TRANSISTOR
SM-A-696868-5
5961-00-469-9896INTERCHANGEABLE
TRANSISTOR
352-0671-011
5961-00-485-8781INTERCHANGEABLE
TRANSISTOR
5961-00-486-6181INTERCHANGEABLE
TRANSISTOR
2N3866
5961-00-548-1894INTERCHANGEABLE
TRANSISTOR
151-0446-00
5961-00-759-8867INTERCHANGEABLE
TRANSISTOR
5961-00-896-6014INTERCHANGEABLE
TRANSISTOR
5961-00-931-7028INTERCHANGEABLE
TRANSISTOR
5961-00-954-4864INTERCHANGEABLE
TRANSISTOR
5961-01-023-5131INTERCHANGEABLE
TRANSISTOR
352-0671-040

Frequently Asked Questions

What is NSN 5961-00-062-2075?

NSN 5961-00-062-2075 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-062-2075?

NSN 5961-00-062-2075 has 9 cross-referenced part numbers: 2N3866 (Freescale Semiconductor, Inc.), 02N3866 (Mak Industries Inc), 13217E1513 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 5L5512-201-57 (Hensoldt Sensors Gmbh Div Seps), 134155 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 4 more.

What NSN replaces 5961-00-062-2075?

There are 12 known substitutes for 5961-00-062-2075: 5961-00-096-1926, 5961-00-168-8389, 5961-00-450-1124 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N3866?

Key specifications for 2N3866: Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE; Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION175.0 CELSIUS JUNCTION DEGC; Power Rating Per Characteristic: 5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION. 16 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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