PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

579R939H02Transistor

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5961-00-064-3237 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-064-3237 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-064-3237. Primary manufacturer part number: 579R939H02.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
  • Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
  • Mounting Method: TERMINALTERMINAL
  • Overall Diameter: 0.320 INCHES MAXIMUM0.320 INCHES MAXIMUM IN
  • Semiconductor Material: SILICONSILICON
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-064-3237, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5961-00-064-3237
Primary Part Number579R939H02
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Terminal Circle Diameter0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Mounting MethodTERMINALTERMINAL
Overall Diameter0.320 INCHES MAXIMUM0.320 INCHES MAXIMUM IN
Semiconductor MaterialSILICONSILICON
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Length1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
Current Rating Per Characteristic0.50 AMPERES MAXIMUM BASE CURRENT, DC AND 0.50 AMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Electrode Internally-Electrically Connected to CaseCOLLECTORCOLLECTOR
Voltage Rating in Volts Per Characteristic450.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 450.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 350.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 350.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR200.0 CELSIUS AMBIENT AIR DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-022-5670 INTERCHANGEABLE
Transistor
5961-00-055-7897207026P1 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5961-00-116-8950352-0825-020 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-00-137-8312 INTERCHANGEABLE
Transistor
5961-00-240-3007 INTERCHANGEABLE
Transistor
2510-00-307-628437681 INTERCHANGEABLE
Floor,body,vehicular
L3harris Technologies, Inc Div Space & Airborne Systems
5120-00-473-653616A088 INTERCHANGEABLE
Wrench Spark Plug
Larson Tool and Stamping Co
5961-00-489-202154000-90068-1 INTERCHANGEABLE
Transistor
Textron Systems Corporation Dba Textron Systems Corp
5961-00-862-8738 INTERCHANGEABLE
Transistor
5961-00-925-3762 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
579R939H02 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
2N3439 Silicon Transistor Corporation Dba Same (USA)
37681 Renesas Electronics America Inc (USA)
Related Parts
5961-00-022-5670INTERCHANGEABLE
TRANSISTOR
5961-00-055-7897INTERCHANGEABLE
TRANSISTOR
207026P1
5961-00-116-8950INTERCHANGEABLE
TRANSISTOR
352-0825-020
5961-00-137-8312INTERCHANGEABLE
TRANSISTOR
5961-00-240-3007INTERCHANGEABLE
TRANSISTOR
2510-00-307-6284INTERCHANGEABLE
FLOOR,BODY,VEHICULAR
37681
5120-00-473-6536INTERCHANGEABLE
WRENCH SPARK PLUG
16A088
5961-00-489-2021INTERCHANGEABLE
TRANSISTOR
54000-90068-1
5961-00-862-8738INTERCHANGEABLE
TRANSISTOR
5961-00-925-3762INTERCHANGEABLE
TRANSISTOR
5961-01-057-0062INTERCHANGEABLE
TRANSISTOR
10182379
5961-01-105-1704INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-064-3237?

NSN 5961-00-064-3237 is a Transistor, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-064-3237?

NSN 5961-00-064-3237 has 3 cross-referenced part numbers: 579R939H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 2N3439 (Silicon Transistor Corporation Dba Same), 37681 (Renesas Electronics America Inc).

What NSN replaces 5961-00-064-3237?

There are 12 known substitutes for 5961-00-064-3237: 5961-00-022-5670, 5961-00-055-7897, 5961-00-116-8950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 579R939H02?

Key specifications for 579R939H02: Terminal Circle Diameter: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN; Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT; Overall Length: 0.250 INCHES MAXIMUM0.250 INCHES MAXIMUM IN; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD. 15 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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