Kingbright-AC-Input-Darlington-Output-Photocoupler-Single-Channel-Kingbright-KB8141-p-General-purpose-Darlington-transistor-single-channel-photocoupler-from-Kingbright-housed-in-a-standard-DIP-package-&-offering-high-isolation-Each-channel-contains-two-Ga As-LEDs-&-an-NPN-silicon-phototransistor-Typical-applications-include-computer-terminals-registers-copiers-vending-machines-&-measuring-instruments-p-Kingbright-KB8141-Single-Channel-Photocoupler