Semtech to buy Hiefo Corporation for $34 million in cash

Semtech to buy Hiefo Corporation for $34 million in cash

Semtech Acquires HieFo Corporation to Strengthen Data Center Portfolio

Semtech Corporation (Nasdaq: SMTC) has completed the acquisition of HieFo Corporation, a California-based manufacturer of high-efficiency Indium Phosphide (InP) optoelectronic devices, for approximately $34 million in cash. The transaction aims to enhance Semtech's data center connectivity solutions by integrating HieFo's advanced optical technologies, including lasers and gain chips, into its existing semiconductor and chipset offerings.

HieFo's expertise in InP-based components is critical for optical transceivers used in data center interconnects (DCI) and intra-data center applications. Its distributed feedback (DFB) laser technology, known for power efficiency and performance stability across temperature variations, complements Semtech's transimpedance amplifiers (TIAs) and laser drivers. This integration is expected to enable tighter optimization of electronic-photonic systems, reducing power consumption and supporting next-generation architectures such as co-packaged optics (CPO) and near-packaged optics (NPO).

The acquisition aligns with growing demand for high-bandwidth, low-latency networking solutions driven by AI infrastructure expansion. Semtech's CEO, Hong Hou, emphasized that combining HieFo's capabilities with Semtech's existing portfolio strengthens its position in addressing the technical challenges of 1.6T and 3.2T data center architectures. The company also plans to expand manufacturing capacity at HieFo's Alhambra, California facility to meet rising demand from hyperscalers and AI ecosystem partners.

Financially, the transaction is projected to be accretive to non-GAAP diluted earnings per share within the first year. Regulatory approval was secured through the Committee on Foreign Investment in the United States (CFIUS), ensuring compliance with national security guidelines.

This move underscores Semtech's strategy to consolidate upstream optical supply chain capabilities while diversifying its revenue streams in the data center sector. With AI-driven infrastructure investments accelerating, the acquisition positions Semtech to capitalize on long-term growth in high-performance connectivity markets.

Business Wire, March 2026: Semtech Expands Data Center Portfolio with Acquisition of HieFo Corporation.