Samsung Electro-Mechanics: AI Clients Lock In MLCC and Substrate Supply Through 2027, Setting Quarterly Revenue Record
nashnova research
Samsung Electro-Mechanics says long-term agreements will cover over 60% of next year's MLCC revenue as AI datacenter builders lock in supply; Q3 revenue hit a record ₩3.76 trillion with profit up 165% YoY, while lead times have stretched to 52 weeks.
Over 60% of revenue locked under long-term deals — what does that signal?
SEMCO has signed or is finalizing long-term MLCC agreements with roughly 50 customers; LTAs are expected to exceed 60% of MLCC revenue next year.
This means → AI datacenter builders are no longer buying quarter-by-quarter — they are locking supply one to two years ahead, competing for capacity, not price.
Contracts center on 1005-size 47µF and 1608-size 100µF parts — the core power-supply MLCCs for datacenter hardware.
SEMCO is reportedly negotiating a ~₩700 billion LTA with Delta Electronics of Taiwan, its seventh such deal this year.
Deep tie-up with Nvidia — what exactly is being locked in?
SEMCO and Nvidia announced a joint investment to build dedicated ABF substrate lines — a high-end packaging substrate that connects chips to circuit boards — in Sejong and Busan, with shipments starting in 2026.
Annual shipment volume is expected to grow at a double-digit rate; Nvidia's allocated share is projected to account for a significant portion of SEMCO's substrate capacity by 2028.
This means → Nvidia is not just placing orders — it is embedding its capacity needs directly into SEMCO's factory plans, turning a supplier into a dedicated production partner.
52-week lead times and rising prices — how tight is the seller's market?
MLCC lead times stretched to 52 weeks in October; only SEMCO and Japan's Murata can currently meet high-performance AI component demand worldwide.
Component-division utilization hit 91% in H1; MLCC blended ASPs have risen by double digits since Q2, while inventory has declined in parallel.
On the substrate side, SEMCO is negotiating price increases citing capacity shortages and higher raw-material costs; ASPs are expected to keep rising through 2027.
In plain terms = buyers wait a full year for delivery and sellers have the leverage to keep raising prices — a textbook seller's market.
More chips stacked per package — how does MLCC demand multiply alongside?
SEMCO says the chip count inside AI GPUs or ASICs will rise from 2 in 2026 to 4 in 2027 and 8 after 2028; core power-supply MLCC capacity demand doubles every year.
In plain terms = every AI chip needs a ring of capacitors around it for stable power delivery; stack more chips, and capacitor demand scales up in lockstep.
The 1005-size 47µF part is already shipping to all major tech companies' new platforms; demand is projected to grow roughly 8× by 2027.
MLCC revenue from optical transceivers — modules that convert electrical signals to light for high-speed GPU-to-GPU links — is expected to triple next year.
Massive capex — where is the money going and when does it pay off?
Total substrate investment: ₩6.78 trillion — ₩4.27 trillion for Sejong (construction through May 2028, volume production from September) and ₩2.51 trillion for equipment procurement in Vietnam.
Customers will fund part of the cost and guarantee offtake volumes. This reflects a level of downstream urgency where buyers are willing to co-finance factory construction to secure supply.
Capacity comes online in phases from 2027; meaningful revenue contribution starts in 2028, yet supply will still fall short of demand. A Philippines MLCC plant begins volume production next year, and 2026 capex will exceed the original plan.
Record Q3 — how strong are the numbers?
Q3 revenue rose 30% YoY to ₩3.76 trillion; operating profit surged 165% YoY to ₩691 billion; net profit reached ₩468.7 billion — all single-quarter records.
Management expects Q4 revenue to deliver another "above-normal" sequential increase and projects a full-year 2027 all-time high.
This means → with LTA lock-in ratios climbing and lead times lengthening in parallel, the verification point for the 2027 supply-demand picture has already shifted forward — to the quarter-by-quarter pace of capacity ramp-ups and pricing negotiations.
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