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The ON5040 is a single-channel, single-pole single-throw (SPST) analog switch manufactured by Rochester Electronics. It utilizes CMOS technology and is housed in a 16-pin plastic dual in-line package (PDIP). The device functions as an electronic switch for signal routing applications within integrated circuits.
Rochester Electronics specializes in the sourcing and distribution of obsolete and hard-to-find components. The ON5040 represents a legacy version of the Harris HI3-5040 series, ensuring continuity for designs requiring this specific analog switch architecture.
Public documentation confirms the HI3-5040-5 as a direct equivalent part number from manufacturers such as Renesas and Harris. Verification of pinout and electrical characteristics against the original design specifications is required before substitution.