AC Input-Transistor Output Optocoupler, 1-Element, 5000V Isolation, PLASTIC, DIP-4
Transistor Output Optocoupler, 4-Element, 5000V Isolation, PLASTIC, DIP-16
Pushbutton Switch, DPDT, Momentary, 1A, 28VDC, Solder Terminal, Through Hole-straight
Transistor Output Optocoupler, 1-Element, 3750V Isolation, PLASTIC, SOP-4

Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Ultra Small Flat T/R
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP Magazine

Optocoupler DC-IN 1-CH Darlington DC-OUT 4-Pin PDIP Magazine

Switch Push Button N.O./N.C. SPDT Round Plunger 5A 125VAC 28VDC Momentary Contact PC Pins Panel Mount/Through Hole
AC Input-Darlington Output Optocoupler, 4-Element, 5000V Isolation, PLASTIC, DIP-16