PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3575Transistor

Aeronautical Communications Equipment Inc · NSN 5961-00-137-0813 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-137-0813 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-137-0813. Primary manufacturer part number: A3575.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Internal Configuration: UNIJUNCTION
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Overall Diameter: 0.195 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-137-0813, 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 Aeronautical Communications Equipment Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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
NSN5961-00-137-0813
Primary Part NumberA3575
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAeronautical Communications Equipment Inc
StatusACTIVE
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Internal ConfigurationUNIJUNCTION
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Overall Diameter0.195 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length0.500 INCHES MINIMUM IN
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM EMITTER CURRENT, DC
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BASE TO EMITTER VOLTAGE, DC
Specification/standard Data81349-MIL-S-19500/425 GOVERNMENT SPECIFICATION
Electrode Internally-Electrically Connected to CaseBASE 2
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4140-00-041-3733A3575 INTERCHANGEABLE
Impeller,fan,axial
Aerocontrolex Group, Inc. Div Talley Actuators
4720-01-500-0634A357-5 INTERCHANGEABLE
Hose,nonmetallic
Crane Carrier Company, Llc
5996-01-590-5109A-3575 INTERCHANGEABLE
Amplifier,radio Frequency
Ultralife Corp Div Communications Systems
Cross-Reference Index
Part NumberManufacturer
A3575 Aeronautical Communications Equipment Inc (USA)
JAN2N5431 Freescale Semiconductor, Inc. (USA)
JAN2N5431 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/425 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N5431 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N5431 Freescale Semiconductor, Inc. (USA)
Related Parts
4140-00-041-3733INTERCHANGEABLE
IMPELLER,FAN,AXIAL
A3575
4720-01-500-0634INTERCHANGEABLE
HOSE,NONMETALLIC
A357-5
5996-01-590-5109INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
A-3575

Frequently Asked Questions

What is NSN 5961-00-137-0813?

NSN 5961-00-137-0813 is a Transistor, manufactured by Aeronautical Communications Equipment Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-137-0813?

NSN 5961-00-137-0813 has 6 cross-referenced part numbers: A3575 (Aeronautical Communications Equipment Inc), JAN2N5431 (Freescale Semiconductor, Inc.), JAN2N5431 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/425 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N5431 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5961-00-137-0813?

There are 3 known substitutes for 5961-00-137-0813: 4140-00-041-3733, 4720-01-500-0634, 5996-01-590-5109. Verify interchangeability with system specifications before substitution.

What are the specifications of A3575?

Key specifications for A3575: Power Rating Per Characteristic: 300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION; Special Features: JUNCTION PATTERN ARRANGEMENT: PN; Internal Configuration: UNIJUNCTION; Semiconductor Material: SILICON. 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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