Amphenol (NYSE: APH) reported record first quarter 2026 revenue of $7.62 billion, up about 58% year over year, with adjusted diluted earnings of $1.06 per share and record orders of $9.4 billion. Investor's Business Daily reported the connector maker as an AI data center play, and the cooling angle sits inside the order book. The company makes the physical interconnect layer for liquid-cooled racks: quick-disconnect coolant couplings and high-power busbars.
IT Datacom posted roughly 81% organic growth on AI-related demand. Communications Solutions revenue rose 88% to $4.5 billion. Amphenol guided second quarter sales to $8.1 to $8.2 billion and adjusted earnings of $1.14 to $1.16 per share. The stock touched an all-time high around $167.27, with trailing-twelve-month revenue growth cited near 54%.
Amphenol Industrial Operations expanded its quick-disconnect liquid cooling connector series to meet the thermal and operational needs of large-scale AI data centers. These are the blind-mate couplings that carry coolant to and from cold plates when a rack gets serviced. A leak at that junction drops a row, so the spec is leak-tight engagement under repeated mating cycles.
Power rides alongside the coolant. The BarKlip series of high-power busbars feeds the dense, liquid-cooled racks where direct-to-chip plumbing has replaced fans. As rack density crosses the threshold where air stops working, the connector and busbar count per rack climbs. Coolant routing and the flow-balancing problem across cold plates turn the interconnect into a thermal component, not an afterthought.
In January 2026 Amphenol closed its $10.5 billion cash acquisition of CommScope's Connectivity and Cable Solutions business, its largest deal, widening its data center fiber reach. The total data center fiber portfolio now sits near $3.0 billion. Fiber and coolant connectors land in the same rack, sold to the same builders chasing the same megawatts.
For cooling buyers the read is direct. Every direct-to-chip rack needs leak-tight blind-mate couplings and busbars rated for the current that NVIDIA's watt roadmap keeps pushing higher. Amphenol prices into that thermal load through the interconnect, which makes its order book a forward signal on how fast the air-to-liquid transition is moving across the floor.