| Компонент | Описание | Производитель | |
| PS2561L-4 | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES |
California Eastern Labs |
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| PS2561L-4-A | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES |
California Eastern Labs |
|
| PS2561L-4-V | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES |
California Eastern Labs |
|
| PS2561L-4-V-A | HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE MULTI PHOTOCOUPLER SERIES |
California Eastern Labs |