SFA Semicon
SFA Semicon is a niche in the OSAT segment of the semiconductor & AI supply chain, headquartered in South Korea. Its key customers include NVIDIA, AMD, Qualcomm.
Korean OSAT, the former STS Semiconductor.
- Ticker
- KOSDAQ: 036540
- Headquarters
- South Korea
- Revenue
- $269M (FY2025) · -8.3% YoY
- Net income
- $-14M
- Operating margin
- -4.9%
- Market position
- niche
- Value-chain segment
- Outsourced Assembly & Test
- Key products
- mobile memory packaging/test (LPDDR4/5, DDR4/5, eMMC, eMCP), PMIC / audio codec wafer-level packaging, automotive/network/CPU flip chip packaging
About SFA Semicon
SFA Semicon, headquartered in South Korea, operates in the Outsourced Assembly & Test segment of the semiconductor & AI supply chain and is positioned as a market niche there. Its key products include mobile memory packaging/test (LPDDR4/5, DDR4/5, eMMC, eMCP), PMIC / audio codec wafer-level packaging, automotive/network/CPU flip chip packaging. wafergraph maps 6 tracked customers for SFA Semicon across the value chain. It has a supply-chain criticality score of 50/100, with 236 companies downstream of it.
Role in the chain
SFA Semicon is a market niche in OSAT (Outsourced Assembly & Test), headquartered in South Korea. Korean OSAT, the former STS Semiconductor.
Diligence questions
- The dataset names 6 tracked customers for SFA Semicon. How concentrated is demand among those names, and which of them have a documented second source in this graph?
- SFA Semicon is headquartered in South Korea. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
- SFA Semicon trades as KOSDAQ:036540. What does the latest reported period say about capacity and backlog versus the graph position above?
- Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.
Key products
- mobile memory packaging/test (LPDDR4/5, DDR4/5, eMMC, eMCP)
- PMIC / audio codec wafer-level packaging
- automotive/network/CPU flip chip packaging
Customers
More OSAT companies
Compare with
ASE Technology · JCET Group · Tongfu Microelectronics · Amkor Technology · King Yuan Electronics (KYEC) · Huatian Technology
Sources
Open the interactive supply-chain view →
Cite as: wafergraph, “SFA Semicon — supply chain, financials & market position”, https://wafergraph.com/company/sfa_semicon (data as of 2026-09-05).
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