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- 4n25rev5
Revision 5 of a datasheet for the 4N25 optocoupler, a 281 KB PDF. The 4N25 is one of the oldest and most common phototransistor-output isolators, often found in power…
Schematic · 281 KB · 2 Aug 2026Schematic pdf—281 KB - 4N25-28,35-37
Combined datasheet PDF of 210 KB covering the 4N25 to 4N28 and 4N35 to 4N37 optocouplers, although indexed as a schematic.
Schematic · 210 KB · 2 Aug 2026Schematic pdf—210 KB