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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TLP268J(TPL,E


Toshiba Triac & SCR Output Optocouplers Triac Optocoupler Low Trigger Current
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Toshiba 2410
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AUD 0.5821
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TLP291(V4GBTP,E(O


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2410
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AUD 0.7607
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HCPL-2601-000E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 2407
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AUD 1.5791
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LTV-852M


Transistor Output Optocouplers Optocoupler
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Lite-On 2405
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AUD 0.6346
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TLP109(TPL.E(T


High Speed Optocouplers
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Toshiba 2405
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AUD 1.2
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Hot CNY17F-4


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 2403
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AUD 0.1746
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CNY17-4.


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 2400
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AUD 0.3038
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FODM3012R2V_NF098


Triac & SCR Output Optocouplers MFP, 250V Random Phase Triac Output
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ON Semiconductor 2400
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AUD 0.7159
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4N37SM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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ON Semiconductor 2392
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AUD 0.2776
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PS2701A-1Y-A


Transistor Output Optocouplers BV 3750 Vr=6V Pc=150mW
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Renesas 2389
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AUD 0.6519
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