The Sharp PC817 (EL817C) optocoupler in the DIP4 housing, which is used, among others, for safety in electrical devices. Optocouplers are used in automation systems, control systems, impulse power supplies or stationary telephones. Technical data Maximum voltage: 20V Number of channels: 1 Number of pins: 4 Housing: DIP4 A pack of 10 pcs. https://elecena.pl/product/22622159/optocoupler-pc817-sharp-dip4-housing-10-pcs 2023-02-23 https://elecena.pl/product/22622159/optocoupler-pc817-sharp-dip4-housing-10-pcs 2023-08-16 https://elecena.pl/product/22622159/optocoupler-pc817-sharp-dip4-housing-10-pcs 2025-10-25 https://elecena.pl/product/22622159/optocoupler-pc817-sharp-dip4-housing-10-pcs 2025-10-28