High speed transistor optocoupler dil 8 toshiba 6n136 a 6n136 high speed transistor optocoupler consisting of a high emitting diode and a one chip photo diode transistor each unit is in an 8 lead dip package can be used in digital logic isolation line receivers power supply control switching power supplies transistor inverting toshiba 6n136 highspeed transistor optocoupler