The Dortmund Semiconductor GmbH manufactures and processes microelectronic components (wafers) for integrated circuits. In fiscal year 2024 the company was a 100% subsidiary of Elmos Semiconductor SE, with Elmos also being the sole customer in 2024. The shares of Dortmund Semiconductor GmbH were sold to Littelfuse, Inc. effective 31 December 2024; Littelfuse specializes in circuit protection, power control and sensing components. The company maintains high quality standards and is certified to IATF 16949, ISO 50001, ISO 14001 and ISO 45001; in 2024 the average number of employees was 230 and revenues were 46,831 thousand EUR.
Die Fertigung und Prozessierung von mikroelektronischen Bauelementen für integrierte Schaltkreise (sog. Wafer).
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Dortmund Local Court, HRB 33499 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Cordula Pritz | Geschäftsführer(in) | Dortmund |
Source: German Commercial Register (Handelsregister) Dortmund Local Court, HRB 33499 (as of 31 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 25.11.2021 | Company Name Registered | Dortmund Semiconductor GmbH |
| 25.11.2021 | Registered Seat | Dortmund |
| 25.11.2021 | Business Address Registered | Heinrich-Hertz-Str. 1, 44227 Dortmund |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 25.11.2021 | Share Capital Set | — | 25.000 € |
Source: German Commercial Register (Handelsregister) Dortmund Local Court, HRB 33499 (as of 31 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €46,831,000 | €2,550,000 | €40,043,099 | — |
| 2023 | €42,053,000 | €2,883,350 | €40,493,323 | — |
| 2022 | €32,480,000 | €1,061,000 | €40,990,000 | — |
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Source: German Commercial Register (Handelsregister) Dortmund Local Court, HRB 33499 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €16,449,000 | 47.9% |
| Material Costs | €14,954,000 | 43.5% |
| Depreciation | €2,971,000 | 8.6% |
