Sign in

Private company

Siliconix

Logo: Original: Siliconix Vector recreation: VectorVoyager, Public domain, via Wikimedia Commons3

Defunct American semiconductor company

Siliconix Inc., later Temic Siliconix Inc. was a pioneering American semiconductor company known for its MOSFET designs.2 It is part of Vishay Intertechnology.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

See how the biggest companies compare on our leaderboards

Siliconix Inc., later Temic Siliconix Inc. was a pioneering American semiconductor company known for its MOSFET designs.2

Corporate structure

Siliconix is part of a group headed by Vishay Intertechnology. 97 entities, 34 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Vishay Intertechnology Malvern, Pennsylvania, United States
    • Siliconix
    • Sprague Electric Subsidiary · North Adams
    • Telefunken Subsidiary · Frankfurt, Germany
      • Transradio AG für drahtlosen Übersee-Verkehr Subsidiary · Germany
    • ECOMAL Austria GmbH Subsidiary · Austria
    • ECOMAL Belgium BV Subsidiary · Belgium
    • ECOMAL Ceska republika S.r.O. Subsidiary · Czechia
    • ECOMAL Denmark A/S Subsidiary · Denmark
    • ECOMAL Elektronske Komponente d.o.o. Subsidiary · Slovenia
    • ECOMAL Europe GmbH Subsidiary · Germany
    • ECOMAL Finland OY Subsidiary · Finland
    • ECOMAL France S.A.S. Subsidiary · France
    • Ecomal Hungary Kft. Subsidiary · Hungary
    • ECOMAL Iberia S.A.U. Subsidiary · Spain
    • ECOMAL Israel Ltd. Subsidiary · Israel
    • ECOMAL Italy s.r.l. Subsidiary · Italy
    • ECOMAL Nederland BV Subsidiary · Netherlands
    • Ecomal Poland Sp. Z.o.o. Subsidiary · Poland
    • ECOMAL Schweiz A.G. Subsidiary · Switzerland
    • ECOMAL Sweden AB Subsidiary · Sweden
    • ECOMAL Turkey Elektronik Anonim Sirketi Subsidiary · Turkey
    • ECOMAL UK Ltd. Subsidiary · United Kingdom
    • Electronica Dale de Mexico S.A. de C.V. Subsidiary · Mexico
    • Inmos microprocessor factory Subsidiary · Newport, United Kingdom
    • MaxPower Semiconductor U.K., Ltd. Subsidiary · United Kingdom
    • MaxPower Semiconductor, Inc. Subsidiary · Delaware, United States
    • and 70 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3