Click to expand Tap to zoom 5 piece MCT6 QTC Opto-Coupler Photo-Transistor Optoisolator 8 Pin DIP - NOS by EcoTech Solutions Inc. Sale $14.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 5 piece MCT6 QTC Opto-Coupler Photo-Transistor Optoisolator 8 Pin DIP - NOS