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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 |
|---|---|---|---|---|---|---|---|
| onsemi | OPTOISO 5.3KV DARL W/BASE 6-SMD | Tube | 6-SMD | Surface Mount | - | -55°C ~ 100°C | |
| onsemi | OPTOISO 5.3KV DARL W/BASE 6-SMD | Tape & Reel (TR) | 6-SMD | Surface Mount | - | -55°C ~ 100°C | |
![]() H11G1SM $0.34 | Isocom Components 2004 LTD | OPTOISO 5.3KV 1CH DARL W/BASE | Tube | - | Surface Mount | H11G | -25°C ~ 100°C |
![]() H11G1SMT&R $0.35 | Isocom Components 2004 LTD | OPTOISO 5.3KV 1CH DARL W/BASE | Tape & Reel (TR) | - | Surface Mount | H11G | -25°C ~ 100°C |
![]() H11G1SR2M $1.01 | onsemi | OPTOISO 4.17KV DARL W/BASE 6-SMD | Tape & Reel (TR),Cut Tape (CT) | 6-SMD | Surface Mount | - | -40°C ~ 100°C |
![]() H11G1TVM $0.98 | onsemi | OPTOISO 4.17KV DARL W/BASE 6-DIP | Tube | 6-DIP | Through Hole | - | -40°C ~ 100°C |
| onsemi | OPTOISO 5.3KV DARL W/BASE 6-DIP | Tube | 6-DIP | Through Hole | - | -55°C ~ 100°C | |
![]() H11G1X $0.93 | Isocom Components 2004 LTD | OPTOISO 5.3KV DARL W/BASE 6-DIP | Tube | 6-DIP | Through Hole | H11G | -25°C ~ 100°C |

Compare Pt100 and Pt1000 RTDs, two-, three- and four-wire connections, excitation and self-heating. Build an error budget from element to reported temperature.
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