Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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PC357N2J0000C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Sharp 8051
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AUD 0.0893
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TLP161J(TPL,U,C,F)


Triac Optocouplers SOP-4_P2.54 RoHS
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Toshiba 4212
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AUD 0.8513
Multiples of: 1

LTV-814HS


Transistor Output Optocouplers Optocoupler AC input
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Lite-On 2230
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AUD 0.2597
Multiples of: 1

VOM160PT


Triac & SCR Output Optocouplers 600V 7mA 0.5K DV/DT Non-Zero Crossing
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Vishay 2227
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AUD 0.504
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FOD817BS


Transistor Output Optocouplers TRANSISTOR OUTPUT SMD LEAD BEND
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ON Semiconductor 2217
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AUD 0.1985
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VO3053-X007T


Triac & SCR Output Optocouplers Non Zero Crossing Phototriac 600V 5mA
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Vishay 2213
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AUD 0.5206
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IL4218


Triac & SCR Output Optocouplers Phototriac Output Very Low Input Curr
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Vishay 2201
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AUD 2.2164
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PS2701-1-L


3.75kV 6V 1.2V DC SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 2032
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AUD 0.0798
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TCLT1007


Transistor Output Optocouplers Phototransistor Out
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Vishay 910
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AUD 0.318
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KPC354NT0B


Optocouplers SOP-4 RoHS
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Cosmo 43
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AUD 0.2301
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