If you are working on a specific layout, please share the and output load characteristics so I can calculate the precise resistor values for your design. Share public link
The 1458 optocoupler—most commonly encountered as the or as part of the broader 1458 series of optical isolators—is a specialized semiconductor component designed to transfer electrical signals between two isolated circuits using light. By using a light-emitting diode (LED) paired with a photosensitive transistor, this device prevents high voltages on the output side from damaging sensitive components on the input side. 1458 optocoupler datasheet
Since we are treating "1458" as a placeholder, let us dissect the datasheet of the , one of the most common, general-purpose optocouplers available. If you find a component labeled "1458" in an isolation slot, its electrical characteristics will likely mirror this family. If you are working on a specific layout,