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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 |
|---|---|---|---|---|---|---|---|
| Lite-On Inc. | OPTOISO 5KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | H11AX | -55°C ~ 100°C | |
| onsemi | OPTOISO 5.3KV TRANS W/BASE 6-SMD | Tube | 6-SMD | Surface Mount | - | -55°C ~ 100°C | |
![]() H11A2S1(TA) $0.25 | Everlight Electronics Co Ltd | OPTOISO 5KV TRANS W/BASE 6-SMD | Tape & Reel (TR) | 6-SMD | Surface Mount | - | -55°C ~ 110°C |
![]() H11A2SM $0.19 | Isocom Components 2004 LTD | OPTOISO 5.3KV 1CH TRANS W/BASE | Tube | - | Surface Mount | H11A | -55°C ~ 100°C |
| onsemi | OPTOISO 7.5KV TRANS W/BASE 6-SMD | Bulk | 6-SMD | Surface Mount | - | -40°C ~ 100°C | |
![]() H11A2SMT&R $0.22 | Isocom Components 2004 LTD | OPTOISO 5.3KV 1CH TRANS W/BASE | Tape & Reel (TR) | - | Surface Mount | H11A | -55°C ~ 100°C |
| onsemi | OPTOISO 7.5KV TRANS W/BASE 6-SMD | Tape & Reel (TR) | 6-SMD | Surface Mount | - | -40°C ~ 100°C | |
| onsemi | OPTOISO 7.5KV TRANS W/BASE 6-SMD | Tape & Reel (TR) | 6-SMD | Surface Mount | - | -40°C ~ 100°C |

Select MOV varistors by continuous voltage, clamping behavior, surge waveform and repetition. Check thermal disconnection, fuse coordination and replacements.
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