WALLINGFORD, CT -- Amphenol reported first-quarter profits rose 20.5% year-over-year to $153.6 million.

Sales rose 10% year-over-year to $1.08 billion, and orders reached $1.12 billion in the first quarter, representing a book-to-bill of 1.04 to 1.

Amphenol guided for second-quarter revenues of $1.115 billion to $1.14 billion and annual sales of $4.58 billion to $4.655 billion.

President and chief executive Adam Norwitt said, “The sales growth was driven by increases in nearly all of our served markets led by mobile devices, commercial aerospace, broadband communications and industrial, with contributions from both organic growth and our acquisition program.”

Amephenol makes printed circuit boards and connectors.