# SK key foundry and Elmos sign long-term wafer supply deal

SK key foundry and Elmos Semiconductor SE have signed a long-term wafer supply contract based on 130nm technology, extending their partnership through 2037. The first product developed will be the E550.01 smart 4-channel eFuse controller, with mass production starting in 2027.

- Type: Contract
- Announced: 2026-09-09
- Where: South Korea
- Status: announced
- Products: 130nm mixed-signal semiconductors, E550.01 smart 4-channel eFuse controller, eFlash memory cell
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [Elmos Semiconductor](https://endata.com/companies/36142.md) (customer)
- [SK key foundry](https://endata.com/companies/93989.md) (supplier)

## Sources

- [businesskorea.co.kr](https://www.businesskorea.co.kr/news/articleView.html?idxno=276480), 2026-09-09: "SK키파운드리가 최근 자동차 산업용 혼합 신호 반도체의 글로벌 선도 공급업체인 엘모스 세미컨덕터와 130nm 기술 협력 강화와 장기 웨이퍼 공급을 위한 계약을 맺었다."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.