光耦合器（opticalcoupler equipment，英文缩写为OCEP）亦称光电隔离器或光电耦合器，简称光耦。它是以光为媒介来传输电信号的器件，通常把发光器（红外线发光二极管LED）与受光器（光敏半导体管，光敏电阻）封装在同一管壳内。 PC817 Datasheet, PC817 PDF, PC817 Data sheet, PC817 manual, PC817 pdf, PC817, datenblatt, Electronics PC817, alldatasheet, free, datasheet, Datasheets, data sheet ... 2n3904 small signal npn transistor preliminary data silicon epitaxial planar npn transistor to-92 package suitable for through-hole pcb assembly the pnp complementary type is 2n3906 applications well suitable for tv and home appliance equipment small load switch transistor with Request Fairchild Semiconductor LM7808: The LM78XX series of three terminal positive regulators are available in the TO- 220 package and with several fixed output voltages, making them useful in a wide range of applications online from Elcodis, view and download LM7808 pdf datasheet, Fairchild Semiconductor specifications. 7808 datasheet, 7808 ... Data Sheet PS2801-1,PS2801-4 HIGH ISOLATION VOLTAGE SSOP PHOTOCOUPLER DESCRIPTION The PS2801-1 and PS2801-4 are optically coupled isolators containing a GaAs light emitting diode and an NPN silicon phototransistor in a plastic SSOP for high density applications. This package has shield effect to cut off ambient light. FEATURES Frequently Asked Questions About Other Integrated Circuits. Whether you’re repairing a gaming console or building your own electronic systems, integrated circuits are likely to come into play.