Circuit Functions, Inc. (CFI)

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Circuit Functions, Inc. (CFI) manufactures both standard and custom ceramic capacitors. The product line includes high‑temperature and high‑voltage versions, as well as multilayer and radial‑lead configurations. These components are designed for blocking, decoupling, bypassing, filtering, and frequency‑discriminating circuit applications. CFI supplies its capacitors to customers in the oil and gas, aviation, aerospace, automotive, and mining sectors.

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