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The Everlight 4N30 is a single-channel optoisolator featuring a Darlington transistor output with base connection. It provides high isolation voltage of 5000Vrms and operates within a temperature range of -55°C to 100°C. Key electrical parameters include a maximum collector-emitter voltage of 55V, forward current of 60mA, and typical turn-on/turn-off times of 5µs and 40µs respectively. The device utilizes a 6-DIP package for through-hole mounting.
Verify the specific suffix (e.g., -V) against the manufacturer's latest datasheet to ensure compliance with current RoHS and REACH directives. Confirm package dimensions and pinout compatibility with existing PCB footprints before finalizing procurement orders.
Select this component when high current transfer ratio is required due to the Darlington configuration. Ensure the application does not demand faster switching speeds than the typical 40µs turn-off time allows. Verify that the 55V collector-emitter voltage rating exceeds the load voltage requirements.
This part belongs to the standard 4Nxx series of optocouplers manufactured by Everlight Electronics. It serves as a general-purpose isolation device widely used in legacy and modern electronic designs where galvanic separation is necessary between low-voltage control circuits and higher-power loads.
Direct substitutes include the TIL113 and H11Bx series components which share similar pinouts and functional characteristics. Verify that any replacement maintains the same Darlington output type and isolation voltage ratings.