PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8155875-2Transistor

L3 Technologies, Inc. Div Communication Systems-East · NSN 5961-01-027-5743 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-027-5743 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-027-5743. Primary manufacturer part number: 8155875-2.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 400.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
  • Mounting Method: THREADED STUD(S)
  • Terminal Type and Quantity: 3 PIN
  • Semiconductor Material: SILICON
  • Test Data Document: 49671-8155875 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-027-5743, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-027-5743
Primary Part Number8155875-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Current Rating Per Characteristic400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 400.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
Mounting MethodTHREADED STUD(S)
Terminal Type and Quantity3 PIN
Semiconductor MaterialSILICON
Test Data Document49671-8155875 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic5.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Voltage Rating in Volts Per Characteristic55.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 3.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Mounting Facility Quantity1
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Overall Width Across Flats0.430 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-124-4970 INTERCHANGEABLE
Transistor
5961-00-469-5785352-0794-011 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-01-250-3389912342-1 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
8155875-2 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
2N5090 Electronic Industries Association
AS-.5-270OHM5% International Resistive Company, Inc. Div Wire and Film Technologies (waft) (USA)
8155875-2 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
Related Parts
5961-00-124-4970INTERCHANGEABLE
TRANSISTOR
5961-00-469-5785INTERCHANGEABLE
TRANSISTOR
352-0794-011
5961-01-250-3389INTERCHANGEABLE
TRANSISTOR
912342-1

Frequently Asked Questions

What is NSN 5961-01-027-5743?

NSN 5961-01-027-5743 is a Transistor, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-027-5743?

NSN 5961-01-027-5743 has 4 cross-referenced part numbers: 8155875-2 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 2N5090 (Electronic Industries Association), AS-.5-270OHM5% (International Resistive Company, Inc. Div Wire and Film Technologies (waft)), 8155875-2 (L3 Technologies, Inc. Div Communication Systems-East).

What NSN replaces 5961-01-027-5743?

There are 3 known substitutes for 5961-01-027-5743: 5961-00-124-4970, 5961-00-469-5785, 5961-01-250-3389. Verify interchangeability with system specifications before substitution.

What are the specifications of 8155875-2?

Key specifications for 8155875-2: Current Rating Per Characteristic: 400.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 400.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC; Mounting Method: THREADED STUD(S); Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Terminal Type and Quantity: 3 PIN. 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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