Cosmo Electronics Corporation has become worlds leading manufacturers in the field of Photo Couplers and Relay.

IC Output Optocoupler
Transistor Output Optocoupler, 4-Element, 5000V Isolation
IC Output Optocoupler
Solid State Relay
Transistor Output Optocoupler
Triac Output Optocoupler, 1-Element, 5300V Isolation
Transistor Output Optocoupler, 4-Element, 5000V Isolation
Triac Output Optocoupler, 1-Element, 5300V Isolation
Solid State Relay
Transistor Output Optocoupler, 1-Element, 5000V Isolation
Transistor Output Optocoupler, 1-Element, 5000V Isolation
Transistor Output Optocoupler, 1-Element, 3750V Isolation
Solid State Relay
Transistor Output Optocoupler, 1-Element, 5000V Isolation
Transistor Output SSR, 1-Channel, 5000V Isolation, ROHS COMPLIANT, DIL-4
Transistor Output Optocoupler, 1-Element, 5000V Isolation
Solid State Relay
Triac Output Optocoupler, 1-Element, 5300V Isolation
Dry Reed Relay, DPST, Momentary, 0.036A (Coil), 5VDC (Coil), 180mW (Coil), 0.5A (Contact), 200VDC (Contact), DC Input, DC Output, Through Hole-Straight Mount
Transistor Output Optocoupler, 1-Element, 5000V Isolation