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Optoisolators, also referred to as optical couplers, photocouplers, and optocouplers, are devices that use light to transmit electrical signals to isolated circuits. Output types include logic, transistor, photovoltaic, triac, and SCR.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() FOD817C300 $0.36 | onsemi | OPTOISOLATOR 5KV 1CH TRANS 4-DIP | Tube | 4-DIP | Through Hole | - | -55°C ~ 110°C |
![]() FOD817C300W $0.47 | onsemi | OPTOISOLATOR 5KV 1CH TRANS 4-DIP | Tube | 4-DIP | Through Hole | - | -55°C ~ 110°C |
![]() FOD817C3S $0.45 | onsemi | OPTOISOLATOR 5KV 1CH TRANS 4-SMD | Tube | 4-SMD | Surface Mount | - | -55°C ~ 110°C |
![]() FOD817C3SD $0.41 | onsemi | OPTOISOLATOR 5KV 1CH TRANS 4-SMD | Tape & Reel (TR),Cut Tape (CT) | 4-SMD | Surface Mount | - | -55°C ~ 110°C |
![]() FOD817CS $0.46 | onsemi | OPTOISOLATOR 5KV 1CH TRANS 4-SMD | Tube | 4-SMD | Surface Mount | - | -55°C ~ 110°C |
![]() FOD817CSD $0.35 | onsemi | OPTOISOLATOR 5KV 1CH TRANS 4-SMD | Tape & Reel (TR),Cut Tape (CT) | 4-SMD | Surface Mount | - | -55°C ~ 110°C |
| onsemi | OPTOISOLATOR 5KV 1CH TRANS 4-DIP | Box | 4-DIP | Through Hole | - | -55°C ~ 110°C | |
![]() FOD817CW $0.09 | Fairchild Semiconductor | OPTOISOLATOR 5KV 1CH TRANS 4-DIP | Box | 4-DIP | Through Hole | - | -55°C ~ 110°C |

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