Why Obsolete IGBT Prices Are Rising in 2025 — And Why You Should Stock Up Now
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If you're managing critical spare parts for industrial systems, now is the time to act. Obsolete and end-of-life IGBTs—already difficult to source—are about to get even harder to find and significantly more expensive.
Due to a combination of increased global demand, ongoing supply constraints, and newly imposed tariffs on semiconductor components, the cost of many legacy IGBTs is rising sharply. Buyers who depend on legacy parts for maintenance, repair, and production continuity are already seeing lead times stretch and prices climb.
In a previous article, "2025 Tariff Surge and the Obsolete IGBT Supply Chain," we outlined the broader policy changes and macroeconomic factors driving these disruptions. In this post, we focus on what matters most to purchasing teams: which IGBTs are hardest to find, why prices are surging, and how to prepare your inventory strategy before these parts become unavailable.
What's Driving the Price Surge?
There are three main forces putting pressure on obsolete IGBT availability and pricing:
- 2025 Tariffs on Chinese Electronics: New tariffs on Chinese-made semiconductors and power electronics are increasing costs across the supply chain, especially for buyers who source obsolete components through Asia-based brokers.
- Global Demand Spike: High-performance IGBTs are used not just in legacy systems, but increasingly in EV infrastructure, renewable energy, and AI-related data center projects. That demand is spilling into the older part market, draining inventories.
- Shrinking Supply of Legacy Parts: As manufacturers phase out production of older models, supply is limited to existing stock. Once it's gone, replacement options may require circuit redesign or expensive retrofitting.
Top Obsolete IGBTs In Stock Now — While Supplies Last
Here are some of the most sought-after obsolete IGBTs that are still available through ATI Accurate Technology Inc. as of May 2025:
BSM100GB60DLC (Infineon) – 600V, 100A
- Used in industrial drives and power supplies
- View on ATI
SKKD100/16 (Semikron) – 1600V, 100A thyristor
- Common in welding and high-voltage applications
- View on ATI
SKM75GB12T4 (Semikron) – 1200V, 75A
- Widely used in motor drives and industrial automation
- View on ATI
These parts are not only hard to find but are also prone to price increases as inventories tighten globally. All are available directly from ATI's U.S.-based stock, with same-day shipping options.
What You Should Do Now
- Audit Your Inventory: Check which machines or systems depend on the parts above. Determine current stock levels and usage rates.
- Plan for Obsolescence: If any of these components are critical to your operations, source replacements now. Don’t wait for failure to trigger a scramble.
- Ask About Substitutes: Some newer IGBTs can be adapted into existing systems with minor engineering support. Work with a specialist to evaluate your options.
- Lock in Pricing Early: With tariffs and demand rising, prices are unlikely to fall anytime soon. Buying ahead now could save significantly over the next 6–12 months.
How ATI Accurate Technology Inc. Can Help
ATI specializes in hard-to-find and obsolete IGBTs. Our team tracks supply movements daily and works with a global network of vetted suppliers to ensure reliable access to legacy parts.
If your operation depends on end-of-life components, we can help you:
- Source original and tested parts from trusted global inventory
- Identify substitutes or drop-in replacements
- Secure forward stock before pricing spikes
Visit igbts.us to search real-time inventory, or reach out directly to request a quote or custom stock alert for the parts you rely on.
Now is the time to assess your risk and take action. Contact ATI Accurate Technology Inc. to discuss your sourcing strategy before these components disappear from the market.
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