Powersem — Supply Chain & Business Relationships

Every relationship below is sourced to a verbatim quote from a public company filing that names the counterparty, with a one-click link to the original document.

Click a company to open its map · drag to explore · hover a line to read the source quote. Green = supplies · orange dashed = competes · blue = partners · purple = ownership · grey dashed = suspended · how to read this data.

See Powersem in the full map →

1 supplier1 customer1 ownership tie1 source filing

Customers (companies it supplies)

Supplies to → Littelfuse Equity-method associate ~45%

Filed 2026-02-19 · 137 days ago

“Powersem GmbH: The Company owns 45 % of the outstanding equity of Powersem GmbH (“Powersem”), a module manufacturer based in Germany. … Fiscal Year Ended December 27, 2025 December 28, 2024 (in millions) Powersem EB Tech ATEC Powersem EB Tech ATEC Sales to related party $ 1.2 $ — $ — $ 1.5 $ — $ — Purchase of material/services from related party 2.2 0.9 9.0 3.8 0.7 5.7 Accounts payable balance $ 0.1 $ 0.1 $ 2.1 $ 0.7 $ 0.1 $ 0.7”
— LFUS 10-K, filed 2026-02-19 · View source filing ↗

Suppliers (companies that supply it)

Supplied by ← Littelfuse Equity-method associate ~45%

Filed 2026-02-19 · 137 days ago

“Fiscal Year Ended December 27, 2025 December 28, 2024 (in millions) Powersem EB Tech ATEC Powersem EB Tech ATEC Sales to related party $ 1.2 $ — $ — $ 1.5 $ — $ — Purchase of material/services from related party 2.2 0.9 9.0 3.8 0.7 5.7 Accounts payable balance $ 0.1 $ 0.1 $ 2.1 $ 0.7 $ 0.1 $ 0.7”
— LFUS 10-K, filed 2026-02-19 · View source filing ↗

Ownership & investments

Held by ← Littelfuse Equity-method associate ~45%

Filed 2026-02-19 · 137 days ago

“The Company owns 45 % of the outstanding equity of Powersem GmbH”
— LFUS 10-K, filed 2026-02-19 · View source filing ↗