Amphenol's Communications Solutions revenue surges 85% on AI demand

Amphenol's strong second-quarter results reflect how AI infrastructure spending is reshaping demand for the physical components that connect computing systems. The company's Communications Solutions segment now accounts for roughly 62% of total revenues, making it the largest growth engine, with IT datacom alone representing 43% of second-quarter sales, rising 89% year over year and 63% organically. Sequentially, IT datacom revenues climbed 22%, and virtually all of that sequential growth came from AI-related products, showing just how concentrated the momentum is in that area.

The company's broad portfolio across high-speed copper, fiber-optic and power interconnects positions it to benefit as computing architectures become denser and more power-intensive, with customers increasingly requiring all three technologies. The CommScope acquisition is strengthening its optical interconnects exposure—CommScope generated slightly more than $1.2 billion in second-quarter sales, with its IT datacom business nearly doubling year over year, and Amphenol now expects CommScope to generate $4.6 billion of sales in 2026, up from its earlier expectation of $4.1 billion. This helped segment operating margin expand to 33.6% from 30.6% a year earlier on higher organic volumes.

The competitive landscape is also shifting. TE Connectivity is expanding its AI infrastructure exposure, with year-to-date DDN orders up more than 70% and power already representing roughly one-third of its DDN business, while Bel Fuse's ITDS segment grew 31.1% year over year to $100.2 million in Q2 2026. Whether Amphenol sustains its momentum hinges on AI data center investment staying on track and on the company delivering the mid-teens sequential IT datacom increase it has guided for Q3. With shares trading at 27.47X forward earnings—a premium to the broader sector's 19.95X—the stock looks priced for continued execution, which may leave little room for disappointment if AI spending slows.