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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 |
|---|---|---|---|---|---|---|---|
![]() FOD4218S $1.96 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Bulk | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4218SD $2.52 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Tape & Reel (TR),Cut Tape (CT) | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4218SDV $2.41 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Tape & Reel (TR),Cut Tape (CT) | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4218SV $1.87 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Tube | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4218T $1.87 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-DIP | Bulk | 6-DIP | Through Hole | - | -55°C ~ 100°C |
![]() FOD4218TV $3.37 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-DIP | Bulk | 6-DIP | Through Hole | - | -55°C ~ 100°C |
![]() FOD4218V $1.64 | Fairchild/ON Semiconductor | OPTOISOLATOR 5KV TRIAC 6DIP | Tube | - | - | * | - |
![]() FOD617A $0.07 | Fairchild Semiconductor | OPTOISOLATOR 5KV 1CH TRANS 4-DIP | Bulk | 4-DIP | Through Hole | - | -55°C ~ 110°C |

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