Isocom-IS2801-4-Optoisolator-4-Channel-SO-16-Isocom-IS2801-4-p-A-4-channel-optoisolator-using-an-IR-LED-with-an-NPN-photodiode-High-current-transfer-ratio-&-high-density-mounting-make-this-device-suitable-for-applications-such-as-hybrid-substrates-requiring-high-density-mounting-programmable-controllers-test-&-measurement-equipment-etc-p-Isocom-IS2801-4-Optoisolator-4-Channel-50-600-CTR-3KV-SO-16