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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TLP5752H(D4TP4,E


Logic Output Opto-couplers GATE DRIVE COUPLER
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Toshiba 2777
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AUD 1.254
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FOD814300


Transistor Output Optocouplers OPTO_LIGHTING
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ON Semiconductor 2775
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AUD 0.2373
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SFH6156-4X001T


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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Vishay 2774
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AUD 0.2417
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PS2703-1-F3-A


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV; SOP4
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RENESAS 2774
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AUD 0.3944
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ACPL-P341-560E


Logic Output Opto-couplers Gate Drive Opto
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Broadcom 2773
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AUD 1.7282
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VOT8026AD


Triac & SCR Output Optocouplers Zero 800V Vrdm 100mA DIP6; 5300V Vrms
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Vishay 2771
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AUD 0.4415
Multiples of: 1

AT816D-FEH-S


5kV 50mA 400mV@1mA,1mA 1 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 2764
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AUD 0.048
Multiples of: 10

CYPC357(A-TP)


SOP-4 Optocouplers - Phototransistor Output ROHS
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OCIC 2764
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AUD 0.0609
Multiples of: 10

TLP385(BL-TPR,E(T


SOP-4-300mil-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2760
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AUD 0.4582
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CNY173SM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1799
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AUD 0.2771
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