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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 |
|---|---|---|---|---|---|---|---|
![]() HCPL2731 $3.26 | onsemi | OPTOISOLTR 2.5KV 2CH DARL 8-DIP | Tube,Tube | 8-DIP | Through Hole | - | -40°C ~ 85°C |
![]() HCPL2731M $1.86 | onsemi | OPTOISOLATOR 5KV 2CH DARL 8-DIP | Tube | 8-DIP | Through Hole | - | -40°C ~ 100°C |
![]() HCPL2731S $1.58 | onsemi | OPTOISOLTR 2.5KV 2CH DARL 8-SMD | Tube,Tube | 8-SMD | Surface Mount | - | -40°C ~ 85°C |
![]() HCPL2731SD $2.12 | onsemi | OPTOISOLTR 2.5KV 2CH DARL 8-SMD | Tape & Reel (TR),Cut Tape (CT) | 8-SMD | Surface Mount | - | -40°C ~ 85°C |
![]() HCPL2731SDM $2.26 | onsemi | OPTOISOLATOR 5KV 2CH DARL 8-SMD | Tape & Reel (TR),Cut Tape (CT) | 8-SMD | Surface Mount | - | -40°C ~ 100°C |
![]() HCPL2731SM $1.68 | onsemi | OPTOISOLATOR 5KV 2CH DARL 8-SMD | Bulk | 8-SMD | Surface Mount | - | -40°C ~ 100°C |
![]() HCPL2731SV $0.85 | onsemi | OPTOISOLTR 2.5KV 2CH DARL 8-SMD | Bulk | 8-SMD | Surface Mount | - | -40°C ~ 85°C |
![]() HCPL2731V $1.89 | onsemi | OPTOISOLTR 2.5KV 2CH DARL 8-DIP | Tube,Tube | 8-DIP | Through Hole | - | -40°C ~ 85°C |

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