Isocom-High-Voltage-Darlington-Output-Optoisolator-Isocom-H11G1-p-An-optically-coupled-isolator-optisolator-consisting-of-an-infrared-light-emitting-diode-&-a-high-voltage-NPN-silicon-photo-darlington-suitable-for-use-in-modems-copiers-facsimiles-&-numeric-control-machines-p-Isocom-H11G1-Darlington-Optoisolator