PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N44AZ1Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-800-1084 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-800-1084 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-800-1084. Primary manufacturer part number: 2N44AZ1.
Features
  • Transistor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 75.0 CELSIUS JUNCTION DEGC
  • Voltage Rating in Volts Per Characteristic: -45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -5.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
  • Mounting Method: TERMINAL
  • Semiconductor Material: GERMANIUM
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Power Rating Per Characteristic: 150.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Specification/standard Data: 81349-MIL-PRF19500/6 GOVERNMENT SPECIFICATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-800-1084, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-800-1084
Primary Part Number2N44AZ1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Maximum Operating Temp Per Measurement Point75.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic-45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -5.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS
Mounting MethodTERMINAL
Semiconductor MaterialGERMANIUM
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Power Rating Per Characteristic150.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Specification/standard Data81349-MIL-PRF19500/6 GOVERNMENT SPECIFICATION
Internal ConfigurationJUNCTION CONTACT
Terminal Length1.500 INCHES MINIMUM IN
Electrode Internally-Electrically Connected to CaseBASE
Test Data Document81349-MIL-PRF-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.).
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.430 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5961-00-752-0338 INTERCHANGEABLE
Transistor
5961-01-463-4765 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N44AZ1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N44A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N44AZ1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
694049-102 Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
Related Parts
5961-00-752-0338INTERCHANGEABLE
TRANSISTOR
5961-01-463-4765INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-800-1084?

NSN 5961-00-800-1084 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-800-1084?

NSN 5961-00-800-1084 has 5 cross-referenced part numbers: 2N44AZ1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N44A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N44AZ1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 694049-102 (Stromberg-Carlson Corp a Plessey Telecommunications Co).

What NSN replaces 5961-00-800-1084?

There are 2 known substitutes for 5961-00-800-1084: 5961-00-752-0338, 5961-01-463-4765. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N44AZ1?

Key specifications for 2N44AZ1: Overall Length: 0.185 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Maximum Operating Temp Per Measurement Point: 75.0 CELSIUS JUNCTION DEGC; Voltage Rating in Volts Per Characteristic: -45.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -5.0 MAXIMUM EMITTER TO BASE VOLTAGE, INSTANTANEOUS; Mounting Method: TERMINAL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-800-1084 still in active supply?

NSN 5961-00-800-1084 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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