2026 Complete Guide to Thermal Link: Functions, Selection and Real-World Performance
Published Time:
2026-05-29
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This SEO-optimized guide based on SUPfuse’s 12+ years of thermal management R&D experience covers full details of Thermal Link, including its working mechanism, core performance metrics, selection steps, industrial use cases and side-by-side comparison with traditional thermal solutions. It also answers common user questions with 2026 industry test data to help engineers make informed product choices.
📋 Article Overview
This 2026 professional guide breaks down all critical details of Thermal Link for electronics, aerospace, new energy and industrial manufacturing users, with hands-on test data and no exaggerated marketing claims.
What Is Thermal Link: Core Definition and Working Mechanism
Thermal Link refers to a high-thermal-conductivity connecting component that bridges two heat transfer interfaces to minimize total thermal resistance. Unlike general thermal interface materials, it provides rigid or semi-rigid structural support while delivering consistent heat transfer performance even under extreme temperature cycling conditions.
In practical field tests by SUPfuse engineering teams from 2024 to 2026, properly installed Thermal Link can eliminate 70% of air gaps between mismatched contact surfaces that traditional thermal grease cannot fill, bringing obvious improvement to long-term operation stability of high-power equipment.
Follow these 3 standard steps to install Thermal Link correctly for maximum performance:
- Polish and degrease both mounting surfaces to remove residual dust, oxide layer and old thermal interface material, keep surface flatness within 0.02mm
- Apply a 5-10 micron thin layer of thermal coupling agent on both contact sides of the Thermal Link, align the component to the pre-marked mounting position
- Apply uniform pressure of 0.3-0.5MPa on the top surface, fasten screws in diagonal order to avoid local stress deformation, and conduct 24-hour aging test before formal use
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