PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12645-002Transistor

Systron-Donner Corp Microwave/instrument Div · NSN 5961-00-425-8839 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-425-8839 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-425-8839. Primary manufacturer part number: 12645-002.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Junction Configuration: NPN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Internal Configuration: JUNCTION CONTACT
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-425-8839, 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 Systron-Donner Corp Microwave/instrument Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-425-8839
Primary Part Number12645-002
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSystron-Donner Corp Microwave/instrument Div
StatusACTIVE
Semiconductor MaterialSILICON
Features ProvidedHERMETICALLY SEALED CASE
Internal Junction ConfigurationNPN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Internal ConfigurationJUNCTION CONTACT
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2940-00-477-60831046Z-283 INTERCHANGEABLE
Filter Element,intake Air Cleane
Morris Material Handling, Inc.
5955-01-433-8859126450-02 INTERCHANGEABLE
Oscillator,noncrystal Controlled
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
12645-002 Systron-Donner Corp Microwave/instrument Div (USA)
22635-006 Systron-Donner Corp Microwave/instrument Div (USA)
DP636 Systron-Donner Corp Microwave/instrument Div (USA)
106587 Systron-Donner Corp Microwave/instrument Div (USA)
Related Parts
2940-00-477-6083INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
1046Z-283
5955-01-433-8859INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
126450-02

Frequently Asked Questions

What is NSN 5961-00-425-8839?

NSN 5961-00-425-8839 is a Transistor, manufactured by Systron-Donner Corp Microwave/instrument Div, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-425-8839?

NSN 5961-00-425-8839 has 4 cross-referenced part numbers: 12645-002 (Systron-Donner Corp Microwave/instrument Div), 22635-006 (Systron-Donner Corp Microwave/instrument Div), DP636 (Systron-Donner Corp Microwave/instrument Div), 106587 (Systron-Donner Corp Microwave/instrument Div).

What NSN replaces 5961-00-425-8839?

There are 2 known substitutes for 5961-00-425-8839: 2940-00-477-6083, 5955-01-433-8859. Verify interchangeability with system specifications before substitution.

What are the specifications of 12645-002?

Key specifications for 12645-002: Semiconductor Material: SILICON; Features Provided: HERMETICALLY SEALED CASE; Internal Junction Configuration: NPN; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD. 7 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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