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The onsemi 4N30 is a single-channel transistor output optocoupler featuring a Darlington photodetector. It provides high isolation voltage of 5300 Vrms and supports a forward current of 80 mA with a minimum current transfer ratio of 100%. The device operates within a temperature range of -55°C to 100°C and is available in a 6-pin DIP package.
Verify the specific lifecycle status as obsolete or active before procurement planning. Confirm compliance documentation availability for target markets. Ensure packaging specifications match assembly requirements. Check regional availability constraints through authorized distributors.
Select this component when high isolation voltage and Darlington output gain are required. Consider the 6-pin DIP package for through-hole mounting needs. Evaluate thermal management capabilities within the specified operating temperature range. Compare current transfer ratio requirements against application load conditions.
The 4N30 belongs to the family of general-purpose optocouplers designed for reliable electrical isolation. It utilizes infrared LED technology coupled with a Darlington phototransistor array. This configuration ensures robust signal transmission across isolated circuits while maintaining safety standards.
Public confirmed substitute part numbers include 4N29A and 4N32A. Verify pinout compatibility and electrical parameter alignment before substitution.