NewMoneyMoves
PerspectivesResearchTerminalsWeekend RWABoard
HomeThemesHaelangdal Insight: AI Infrastructure Value ChainPower Semiconductors (SiC/GaN)

Power Semiconductors (SiC/GaN)

Critical for data center power efficiency. SiC/GaN power semiconductors reduce losses by 30-50% compared to conventional silicon. Benefiting from the 48V to 800V transition trend.

Updated: 7/12/202618-36 months

Investment Confidence

Confidence Index87%
LowMediumHigh

Theme Analysis

Key Drivers

  • Surging data center power density (600kW per rack, 2027 Rubin Ultra)
  • 800V HVDC architecture transition (NVIDIA 2027 rollout)
  • EV-to-DC crossover demand
  • Fast-growing AI power revenue (Infineon EUR 1.5bn FY26 to EUR 2.5bn FY27)
  • SiC cost reduction trend

Risk Factors

  • SiC substrate supply shortage
  • GaN mass production stability
  • Cost premium vs. conventional silicon
  • Wolfspeed financial risk

Catalysts

  • 800V HVDC architecture adoption expansion
  • SiC 8-inch wafer transition
  • Big tech power efficiency targets tightening
  • onsemi data center revenue doubling in 2026

Related Investment Ideas

2
ONMedium

onsemi — SiC Power Semiconductor Leader, EV+DC Dual Beneficiary

Expanding SiC MOSFET market share. Dual beneficiary of EV traction inverters + data center power conversion. El Catedral 200mm SiC fab operation securing cost competitiveness.

IFNNYMedium

Infineon — Europe's #1 Power Semiconductor, Full SiC/GaN Lineup

Global #1 market share in power semiconductors. Full SiC/GaN/Si IGBT lineup. Benefiting across automotive, industrial, and data center segments. Europe's largest semiconductor company.

Related Reports

57
Weekly Review
7/12/202615 min read

Weekly Market Review: Week 28 (July Week 2)

The Week Samsung Posted Record Earnings and Still Crashed -7% — a Peak-Out-Fear Circuit Breaker, a Two-Day -10% Plunge and a Two-Day Rebound, and SK Hynix's $26.5 Billion Nasdaq IPO, the Largest Ever by a Foreign Company

Thematic Deep Dive
7/12/202630 min read

AI Data Centers' New Bottleneck, Power Delivery — Where SiC and GaN Power Semiconductors Sit

As rack power leaps from 120kW to 600kW and 800V DC becomes the standard, where do onsemi and Infineon stand?

테마 심층
7/7/202619 min read

Who Pays for Memory — Four Payment Channels and a Redrawn Contract Map

The buyer map and the contract map — dissecting the AI memory bill down to channel, company, and contract. The thinnest point on this map is that the largest new buyer, which reserved 40% of the world's DRAM, is a loss-making company

테마 심층
7/6/202643 min read

Documents, Not Shovels — The Stock-Price Grammar of Memory Capacity Cycles

How to read the Korea–US–Japan mega-expansion wave and the early-July crash — what broke the stocks was not groundbreaking but documents combined with a demand crack, and a contract revolution is rewriting that grammar

Weekly Review
7/5/202614 min read

Weekly Market Review: Week 27 (July Week 1)

The Week KOSPI Crashed -7.89% in a Day and Rebounded +5.76% the Next — the Meta Cloud Shock, a 17-Year High in USDKRW at 1,555.8, a Payrolls Shock, and a Buy Sidecar

주간 리뷰
7/5/202614 min read

Weekly Market Review: Week 26 (June Week 4)

From an all-time high of 9,114 to two circuit breakers — KOSPI swung nearly 7% in a single week, Micron's earnings beat confirmed the memory supercycle, and the AI capital cycle kept flowing regardless of the short-term collapse

Thematic Deep Dive
7/5/202620 min read

Higher HBM Mix, Safer Stock? — How Base Die Logic Migration Shifts AI Memory Margin to Foundries

From HBM4, the base die becomes a leading-edge logic chip. Part of AI memory's value migrates from the three memory makers to foundries. The same 'HBM mix' hides different profit structures at Samsung, SK Hynix, and Micron

Stock Analysis
7/3/202621 min read

SK hynix Nasdaq ADR — Anatomy of a 43 Trillion Won Deal and the Premium Equation

The memory champion debuts on Nasdaq as an American depositary receipt on July 10. The largest US listing by a foreign company in history is aiming not at fundraising but at a re-rating — the valuation gap with Micron, and the 2.5% conversion cap separating the underlying shares from the ADR, together write the premium equation.

Stock Analysis
6/21/202618 min read

SK Square — Buying HBM Leader SK Hynix at a Discount

A holding-company lever on SK Hynix, the true global leader of the memory supercycle. About 98% of net asset value (NAV) is a single stock, SK Hynix, and a narrowing holdco discount makes that exposure even cheaper.

Theme Deep-Dive
6/20/202616 min read

The Pulled-Forward Future — The AI Capital Cycle's Repayment Chain and the Accounting of Inference Margins

Demand (PC, memory) and capital (bonds, equity) both dragged into the present — the whole chain's fate rests on the durability of the inference margin

Stock Analysis
6/20/202617 min read

Tokyo Electron — The 90% Coater Monopoly Every EUV Wafer Must Pass

About 90% global share in coater/developer track tools — the gating step for ASML's EUV patterning and Japan's #1 equipment maker

Stock Analysis
6/20/202617 min read

KLA — The Monopoly Tollgate of Inspection, Where Shrinking Equals Revenue

58% process-control share; node and HBM complexity raise inspection counts per chip — the gate on yield

Stock Analysis
6/20/202617 min read

Arista Networks — The #1 Back-End Ethernet That Stitches AI Clusters Together

In the AI back-end fabric that ties tens of thousands of accelerators, Ethernet is pushing out InfiniBand — and Arista sells that system

Stock Analysis
6/20/202618 min read

Applied Materials — The Full-Line Pickaxe That Now Sells Packaging Too

The deposition-etch-CMP leader opens a second growth track in HBM-stacking advanced packaging

Sector Analysis
6/20/202618 min read

The EDA Duopoly — The Design Gate Every AI Chip Passes Through: Cadence and Synopsys

TPU, Trainium, MI400 — no custom AI silicon reaches tape-out without these two companies' design software

Weekly Review
6/20/202614 min read

Weekly Market Review: Week 25 (June Week 3)

The Week KOSPI Crossed 9,000 for the First Time — an HBM4E-Led Memory Rally, Warsh's Hawkish FOMC, an Intel-Apple Deal, and a Korea-Only Record High on a Juneteenth Holiday

Stock Analysis
6/20/202619 min read

Micron — America's One and Only HBM Card

The only memory maker headquartered on US soil that builds the HBM (high-bandwidth memory) inside AI accelerators. The 2026 memory cycle has redrawn Micron from a cyclical name into an AI-infrastructure name.

Stock Analysis
6/20/202619 min read

Broadcom — The Tollgate on AI Infrastructure's Road That Is Not NVIDIA's

XPU (Custom AI Accelerator) Co-Design and 102.4 Tbps Ethernet — Ruler of the Custom-Silicon Track

Stock Analysis
6/18/202637 min read

Seagate — Bellwether of Mass Storage AI Revived

The HAMR areal-density leader that revived the HDD industry — anatomy of TAM, cost, supply discipline, the technology war, and valuation

Haelangdal's View
6/14/202620 min read

The CPU in the Inference Era — What Is Measured Fact and What Is Forecast

Decomposing the claim that 'inference needs this much CPU' into measured fact, stakeholder forecast and offsetting factors — three tiers of evidence and the Korean memory derivative

Weekly Review
6/14/202614 min read

Weekly Market Review: Week 24 (June Week 2)

A Volatile Week Shaped by Iran Missiles and a 3-Year-High CPI — From a KOSPI Circuit Breaker (-8.29%) to an +8% Rebound, with Ceasefire Hopes Turning the Weekend

Stock Analysis
6/12/202624 min read

Lam Research — When Etch and Deposition Intensity Is the Revenue

Inside the structural beneficiary of the $140B wafer fab equipment (WFE) cycle, where chip verticalization raises the number of etch and deposition steps per wafer non-linearly. It is the highest beta to the AI memory supercycle transitioning into equipment orders

Stock Analysis
6/12/202647 min read

ARM — The Moment the IP Company Holding AI Compute's Instruction Standard Becomes a Silicon Company

The ARM architecture has captured half of AI data center CPUs. On top of the proven engine of rising v9/CSS royalty-per-chip mix, a second growth engine has been added 35 years on — its own in-house silicon AGI CPU. We dissect the compute architecture layer.

Haelangdal's View
6/10/202649 min read

The Accounting of GW - Paper Capacity vs Physical Capacity in AI Data Centers

A site-by-site reconciliation of announced pipelines against energized capacity - delays do not destroy demand, they shift it to the right

Haelangdal's View
6/7/202620 min read

MLCC and FC-BGA — The Benefit Structure of Two Battlefields, Finished Goods and Materials

Dissecting the AI-server component supercycle as a vertical value chain — where finished goods (Samsung Electro-Mechanics et al.) and materials each benefit

Weekly Review
6/6/202614 min read

Weekly Market Review: Week 23 (June Week 1)

From Record Highs to an AI/Chip Plunge — A Week When Broadcom's Guidance and a Hot Jobs Report Hit Multiples at Once

Stock Analysis
6/1/202616 min read

SanDisk — The Purest Beta of NAND Memory Re-Rated in the AI Era

Pure-play NAND flash maker SanDisk (SNDK): the AI inference storage cycle, the Kioxia JV, and the HBF option in one stock

Stock Analysis
5/31/202612 min read

Intekplus — The 'Inspection' Node of the Semiconductor Capex Cycle

Inspection-equipment maker Intekplus (064290): a narrow, deep leader exposed to the quad expansion of foundry, packaging, and memory

Weekly Review
5/30/202614 min read

Weekly Market Review: Week 22 (May Week 5)

DELL After-Hours +15% Big Beat + KOSPI 8,476 Record High — A Week When AI Infrastructure Revenue Proved Pricing Power Twice

Company Analysis
5/27/202634 min read

Samsung Electro-Mechanics — The Top Korean Component Pick the Data-Center BOM Points To

Three axes — MLCC, FC-BGA, and glass substrate: why the data-center Bill of Materials (BOM) converges on a single company

Weekly Review
5/26/202615 min read

Weekly Market Review: May Week 4

NVIDIA Full Beat + Samsung Strike Settlement — S&P 8-Week Win Streak, Dow All-Time High as KOSPI Surges 6.55% in Single Day

Thematic Deep-Dive
5/23/202622 min read

The Place Memory Took — Vera Rubin Rewrites the Data Center BOM

Within a VR200 NVL72 rack at $7.8M, memory takes 25.6% — the "HBM 15.5%" proposition evolves into "memory 25.6%"

Company Analysis
5/22/202622 min read

PSK Holdings — The Small Window of Descum Is Opening

Korea's only equipment maker breaking Japan ULVAC's 30-year HBM/CoWoS Descum monopoly — a multi-exposure thesis

Stock Analysis
5/20/202628 min read

NVIDIA Earnings D-1: Six Bullish Theses for the Next 24 Hours

Q1 FY27 Pre-Earnings — Korea's 4-Line Supply Chain Beneficiary Check

Haelangdal Perspectives
5/17/202620 min read

AI Data Center BOM Reach Rate

AI Data Center Deep Dive — Part 3. NVIDIA gets a share, HBM, optical, and power must follow at theirs. Reverse-engineering revenue ceilings by industry through BOM accounting identity.

Haelangdal Perspectives
5/16/202618 min read

Reverse-engineering Agentic AI Penetration

Sequel to AI Data Center's Split — measuring the real depth of the agent economy through three gauges: tokens, traffic, ARR

Weekly Review
5/16/202615 min read

Weekly Market Review: Week 20 (May Week 3)

KOSPI hits 8,000 and crashes -6.12% the next day — AI super-cycle fundamentals and multiple limits collapsed into a 4-hour window

Industry Deep Dive
5/13/202618 min read

When GPUs Become an Asset: AI Infrastructure's Capital Structure Gets Rewritten

Six structural shifts in asset markets, credit, and corporate valuation triggered by CME's compute futures

Haelangdal Note
5/12/20263 min read

Surely, the throne of this new era goes to them — doesn't it?

A short note on S&P 500 IT earnings strength and the moment of revaluation for Nvidia's 2026 AI portfolio

Theme Deep-Dive
5/11/202618 min read

Is Samsung the Engine Behind a KOSPI 12,000?

Samsung fundamentals re-rated → fair market cap → reverse-engineered to KOSPI

Perspectives
5/10/202619 min read

The Splitting of the AI Data Center

How Training and Inference Diverge — Three Forks of Optical Backbone, Power, and Diversification, with Category Leaders Mapped

Weekly Review
5/10/202613 min read

Weekly Market Review: May Week 2

KOSPI 7,000 Breakout + Samsung's $1T Club + AMD/ARM Beats — Korea Memory's Pricing Power Exports to US

Theme Deep Dive
5/7/202614 min read

The Memory Pickaxe of This AI Gold Rush, Revisited

Why memory cycle peak debate is premature

Theme Deep Dive
5/5/202624 min read

RAMpocalypse — What Happens After the Memory Big-3 Leave

Memory Big-3 Series, Part 3 — AI is devouring the raw materials of memory; an industry golden age and consumer regression unfold side by side, in 8 questions

Theme Deep Dive
5/5/202622 min read

AI's Real Bottleneck — OSAT Packaging Wars

CoWoS capacity grew 13x and still fell short — the structural beneficiaries of the packaging bottleneck

Weekly Review
5/3/202616 min read

Weekly Market Review: Week 18 (May Week 1)

Big Tech 4 earnings and META -6.15% — for now, the market only watches one CapEx number

Sector Deep Dive
4/30/202627 min read

AI Infrastructure 4 Bottlenecks — Big Tech Q1 2026 Earnings Summary

Memory · Power · Custom Chips · Optics — Four Bottlenecks Converging Simultaneously

Thematic Deep Dive
4/28/202618 min read

Global Semiconductor CapEx Cycle Part 1 — Macro Decomposition

TSMC 2nm + simultaneous memory big-three expansion + the suppliers' triple order cycle

Thematic Deep Dive
4/27/202636 min read

KOSPI 10,000 Path Analysis

The Triple Shortage's Korean Supply-Chain Transposition Opens the First-Ever 300T KRW Operating Profit Era

Thematic Deep Dive
4/26/202635 min read

The All-Front Semi Shortage Confirmed by Intel Q1

CPU Renaissance · HBM/CoWoS/ABF Sold Out · ASIC Surge · Korean Value-Chain Exposure Map

Weekly Review
4/26/202615 min read

Weekly Market Review: Week 17 (April Week 4)

SK Hynix 72% OpMargin · Intel +2,800% Surprise — Korea-US Semis Hit Record Highs Together

Thematic Deep Dive
4/23/202628 min read

The Triple Power Chain of Agentic Transition

Gas Turbines, Optical Networking, and How Efficiency Amplifies Absolute Demand

Thematic Deep Dive
4/15/202625 min read

China LLM API Surge: The Token War Reversal

DeepSeek·Qwen 65% Share | 10T Daily Tokens | Price Disruption Strategy

Thematic Deep Dive
4/14/202630 min read

GPU Rental Price Surge: The Great Compute Shortage

Blackwell +48% | H100 +38% | Memory Supercycle | Neocloud Boom

Stock Analysis
4/7/202616 min read

Samsung Just Printed ₩57T Operating Profit — Now Look at What Comes Next

The memory supercycle peak is now confirmed in numbers. Consensus average is ₩339K. The market is looking higher.

Sector Analysis
4/3/202620 min read

Apple's Mobile DRAM Monopoly Strategy — The Hidden Winner of the Memory Supercycle

HBM Demand Explosion → Mobile DRAM Supply Shortage → Apple's Market Share Expansion Strategy Deep Dive

Thematic Deep Dive
3/11/202618 min read

The Structure of the Inference Bottleneck — Why Now Is the Turning Point

Memory Wall x Inference Cost: Why the HBM Supercycle Is a Structural Shift, Not a Cyclical Peak

Comments

Created: 2/22/2026Updated: 7/12/2026
Related Assets
onsemi
Direct Exposure
Relevance 90%
Infineon
Direct Exposure
Relevance 88%
Wolfspeed
Direct Exposure
Relevance 70%
Navitas
Direct Exposure
Relevance 65%
MPS
Indirect Exposure
Relevance 60%
Vicor
Indirect Exposure
Relevance 55%
Quick Stats
Confidence87%
Investment Period18-36 months
Investment Ideas2
Related Reports57
Report Shortcuts
Weekly Review
Weekly Market Review: Week 28 (July Week 2)
15 min read
Thematic Deep Dive
AI Data Centers' New Bottleneck, Power Delivery — Where SiC and GaN Power Semiconductors Sit
30 min read
테마 심층
Who Pays for Memory — Four Payment Channels and a Redrawn Contract Map
19 min read
테마 심층
Documents, Not Shovels — The Stock-Price Grammar of Memory Capacity Cycles
43 min read
Parent Theme
Mega Theme
Haelangdal Insight: AI Infrastructure Value Chain
NewMoneyMoves

Global Investment through Themes

Content

ThemesIdeasReportsEarnings

Explore

GuideETFsPerspectivesTelegramNVIDIA PortfolioWeekly ReviewCredit & Leverage

Community

Daily News

Legal

Privacy PolicyTerms of ServiceDisclaimer

© 2026 NewMoneyMoves. All rights reserved.