PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5181Transistor

Electronic Industries Association · NSN 5961-00-233-3849 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-233-3849 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-233-3849. Primary manufacturer part number: 2N5181.
Features
  • Transistor — FSC 5961
  • Nominal Thread Size: 0.164 INCHES IN
  • Semiconductor Material: SILICON
  • Power Rating Per Characteristic: 180.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 45.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 3.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Internal Configuration: JUNCTION CONTACT
  • Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
  • Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-233-3849, 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 Electronic Industries Association. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN5961-00-233-3849
Primary Part Number2N5181
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusACTIVE
Nominal Thread Size0.164 INCHES IN
Semiconductor MaterialSILICON
Power Rating Per Characteristic180.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating in Volts Per Characteristic45.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 3.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Internal ConfigurationJUNCTION CONTACT
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
Mounting Facility Quantity1
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTHREADED STUD(S)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-103-1670 INTERCHANGEABLE
Transistor
5961-00-184-6491 INTERCHANGEABLE
Transistor
5961-00-242-2398 INTERCHANGEABLE
Transistor
5961-00-401-05072N5179 INTERCHANGEABLE
Transistor
Semitronics Corp
Cross-Reference Index
Part NumberManufacturer
2N5181 Electronic Industries Association
2N5181 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1854-0390 Keysight Technologies, Inc. (USA)
RELEASE5595 Electronic Industries Association
1854-0390 Hewlett-Packard Company Dba HP (USA)
2N5181 Renesas Electronics America Inc (USA)
1854-0390 Keysight Technologies Inc (USA)
Related Parts
5961-00-103-1670INTERCHANGEABLE
TRANSISTOR
5961-00-184-6491INTERCHANGEABLE
TRANSISTOR
5961-00-242-2398INTERCHANGEABLE
TRANSISTOR
5961-00-401-0507INTERCHANGEABLE
TRANSISTOR
2N5179

Frequently Asked Questions

What is NSN 5961-00-233-3849?

NSN 5961-00-233-3849 is a Transistor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-233-3849?

NSN 5961-00-233-3849 has 7 cross-referenced part numbers: 2N5181 (Electronic Industries Association), 2N5181 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1854-0390 (Keysight Technologies, Inc.), RELEASE5595 (Electronic Industries Association), 1854-0390 (Hewlett-Packard Company Dba HP) and 2 more.

What NSN replaces 5961-00-233-3849?

There are 4 known substitutes for 5961-00-233-3849: 5961-00-103-1670, 5961-00-184-6491, 5961-00-242-2398 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5181?

Key specifications for 2N5181: Nominal Thread Size: 0.164 INCHES IN; Semiconductor Material: SILICON; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Power Rating Per Characteristic: 180.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION. 13 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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