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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 |
|---|---|---|---|---|---|---|---|
![]() HCPL-4100-300ME $4.23 | Flip Electronics | Logic Output Opto-isolator 3.75k | Bulk | - | - | - | - |
![]() HCPL-4200-300ME $4.76 | Flip Electronics | HCPL-4200-300ME | Bulk | - | - | - | - |
![]() HCPL-4502 $1.27 | Broadcom Limited | OPTOISO 3.75KV 1CH TRANS 8-DIP | Tube,Tube | 8-DIP | Through Hole | - | -55°C ~ 100°C |
| Broadcom Limited | OPTOISOLATOR 5KV 1CH TRANS 8-DIP | Tube | 8-DIP | Through Hole | - | -55°C ~ 100°C | |
| Broadcom Limited | OPTOISO 3.75KV 1CH TRANS 8-DIP | Tube | 8-DIP | Through Hole | - | -55°C ~ 100°C | |
| Broadcom Limited | OPTOISO 3.75KV TRANS 8-DIP GW | Tube | 8-DIP Gull Wing | Surface Mount | - | -55°C ~ 100°C | |
| Broadcom Limited | OPTOISO 3.75KV TRANS 8-DIP GW | Tape & Reel (TR) | 8-DIP Gull Wing | Surface Mount | - | -55°C ~ 100°C | |
![]() HCPL-4502-000E $2.11 | Broadcom Limited | OPTOISO 3.75KV 1CH TRANS 8-DIP | Tube | 8-DIP | Through Hole | - | -55°C ~ 100°C |

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