Caly Technologies Releases TIM Selection Guide for Power Electronics, Optimizing Thermal Management for SiC and GaN Devices

September 13, 2026

Alibaba Electronics China

Overview

Caly Technologies has published a Thermal Interface Material (TIM) selection guide for power electronics, aiding in optimizing thermal management for high-performance devices like SiC half-bridge modules and GaN FETs. The guide details various TIMs, including thermal greases, pads, phase-change materials, and silver sintered/graphene spreaders. It highlights that silver sintered/graphene spreaders offer peak performance for demanding applications requiring AEC-Q200 compliance, over 15 years of lifespan, and 10,000+ thermal cycles. Proper TIM selection is crucial for enhancing device reliability and ensuring long-term performance.

In Depth

Key Findings

Caly Technologies has released a comprehensive guide for selecting Thermal Interface Materials (TIMs) in power electronics applications. This guide provides crucial insights to maximize the cooling efficiency and reliability of next-generation power devices, such as Silicon Carbide (SiC) half-bridge modules and Gallium Nitride (GaN) FETs.

Technical / Clinical Details

The guide meticulously analyzes major TIM types available on the market, including thermal conductive greases, thermal pads, Phase Change Materials (PCMs), and cutting-edge silver sintered and graphene spreaders. Each material possesses distinct thermal conductivity, stability, and processing requirements. Notably, for stringent applications demanding AEC-Q200 automotive compliance, a lifespan exceeding 15 years, and endurance through over 10,000 thermal cycles, silver sintered materials and graphene spreaders are highlighted as offering the best thermal management performance. These materials minimize thermal resistance, maintaining device junction temperatures within safe operating limits, thereby ensuring long-term operational reliability.

Background & Context

Power electronics are indispensable across various sectors, including electric vehicles, renewable energy systems, and industrial motor control. The adoption of wide-bandgap semiconductors like SiC and GaN has led to increased efficiency and power density. However, this also results in higher heat generation, making thermal management one of the most critical challenges impacting device performance and reliability. Inadequate thermal management accelerates device failure rates and shortens operational lifespans. Caly Technologies’ guide offers practical solutions to this complex issue.

Strategic Significance & Outlook

This TIM selection guide serves as an invaluable resource for power electronics designers and engineers, assisting them in choosing optimal thermal management solutions based on specific application requirements. Particularly in high-reliability applications such as automotive and industrial sectors, the correct TIM selection will be key to enhancing product competitiveness. As the adoption of SiC and GaN devices continues to expand, the demand for higher-performance and more durable TIMs is expected to grow significantly.

Source: https://electronics.alibaba.com/buyingguides/power-electronics-thermal-management-guide

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