2025年中国一体成型电感行业概览：从算力基建到电动化浪潮，一体成型电感重塑高端应用边界（精华版）

Investment Rating - The report indicates that the integrated inductor industry is currently in a "golden development period" characterized by simultaneous growth in both volume and price [2]. Core Insights - The demand for integrated inductors is being driven by strong growth in AI servers, automotive electronics, and high-end consumer electronics, leading to a significant increase in market volume [2]. - The product structure is evolving towards high current, high frequency, and miniaturization, which is pushing up average prices [2]. - Chinese manufacturers, represented by companies like MPS and SLL, are accelerating their entry into the high-end supply chain, achieving mass supply in AI servers and 800V electric drive systems, thus speeding up the process of domestic substitution [2]. - Advanced manufacturing techniques such as copper-iron co-sintering are still in the early stages but are becoming important exploration directions for the next generation of high power density inductors [2]. Summary by Sections Industry Overview - The integrated inductor is defined as a type of inductor that uses magnetic powder to encapsulate the coil completely, offering significant advantages in terms of high current capacity, low DC resistance, EMI shielding, and high reliability compared to other inductor types [7][19]. Key Raw Materials - Soft magnetic materials account for 60%-70% of the cost structure of integrated inductors, with metal magnetic powder cores being the mainstream choice due to their high saturation magnetic induction and good high-frequency characteristics [19][26]. Manufacturing Processes - The main manufacturing processes for integrated inductors are cold pressing and hot pressing, with copper-iron co-sintering being a notable emerging technique that offers significant performance and structural advantages [39]. Market Dynamics - The rapid penetration of 5G smartphones, electric vehicles, and AI servers is significantly increasing the demand for integrated inductors, driving market expansion and continuous performance upgrades [5][53][60]. - The market for integrated inductors used in 5G smartphones is projected to grow from 2.085 billion CNY in 2021 to 3.699 billion CNY in 2024, with a compound annual growth rate (CAGR) of 21.06% [52]. - The market for integrated inductors in the electric vehicle sector is expected to grow from 0.169 billion CNY in 2021 to 2.639 billion CNY in 2024, with a staggering CAGR of 149.95% [59]. - The AI server market for integrated inductors is anticipated to grow from 0.049 billion CNY in 2021 to 1.674 billion CNY in 2024, with a CAGR of 50.49% [68].