PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E109Transistor

Siliconix Incorporated Div Siliconix · NSN 5961-00-558-9085 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-558-9085 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-558-9085. Primary manufacturer part number: E109.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.192 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
  • Internal Configuration: JUNCTION CONTACT
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Electrode Internally-Electrically Connected to Case: GATE
  • 3 verified cross-references
  • Primary manufacturer: Siliconix Incorporated Div Siliconix
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-558-9085, 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 Siliconix Incorporated Div Siliconix. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-558-9085
Primary Part NumberE109
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSiliconix Incorporated Div Siliconix
StatusACTIVE
Overall Diameter0.192 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Electrode Internally-Electrically Connected to CaseGATE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-816-0675 INTERCHANGEABLE
Socket,plug-in Electronic Compon
4320-00-847-7572E109 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
Cross-Reference Index
Part NumberManufacturer
E109 Siliconix Incorporated Div Siliconix (USA)
J109-18 Intersil Inc Sub of General Electric Co (USA)
J109-18 National Semiconductor Corporation (USA)
Related Parts
5935-00-816-0675INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4320-00-847-7572INTERCHANGEABLE
RING,WEARING
E109

Frequently Asked Questions

What is NSN 5961-00-558-9085?

NSN 5961-00-558-9085 is a Transistor, manufactured by Siliconix Incorporated Div Siliconix, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-558-9085?

NSN 5961-00-558-9085 has 3 cross-referenced part numbers: E109 (Siliconix Incorporated Div Siliconix), J109-18 (Intersil Inc Sub of General Electric Co), J109-18 (National Semiconductor Corporation).

What NSN replaces 5961-00-558-9085?

There are 2 known substitutes for 5961-00-558-9085: 5935-00-816-0675, 4320-00-847-7572. Verify interchangeability with system specifications before substitution.

What are the specifications of E109?

Key specifications for E109: Overall Diameter: 0.192 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; Semiconductor Material: SILICON; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com