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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CNY65


Transistor Output Optocouplers Phototransistor Out
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Vishay 3007
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AUD 1.3111
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HCPL0500R2


Fairchild Semiconductor High Speed Optocouplers HS Optocoupler 1Ch Transistor
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ON Semiconductor 3003
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AUD 1.6248
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PVI5033RSPBF


Photodiode Output Optocouplers 2 FORM A PHOTO VOLTAIC ISOLATOR
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Infineon 2988
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AUD 11.5762
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HCPL-063L-500E


Logic Output Optoisolator 15MBd Open Collector, Schottky Clamped 3750Vrms 2 Channel 10kV/µs CMTI 8-SO Tall
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Broadcom 2971
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AUD 1.8852
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LTV-852S


Transistor Output Optocouplers Optocoupler Phototransistor
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Lite-On 2968
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AUD 0.3981
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LTV-817M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 2966
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AUD 0.1667
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HCPL-0201-500E


High Speed Optocouplers 5MBd 1Ch 1.6mA
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Broadcom 2955
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AUD 1.4934
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H11D1SR2M


Transistor Output Optocouplers Hi Volt Phototrans
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ON Semiconductor 2944
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AUD 0.6233
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SFH610A-1


Transistor Output Optocouplers RECOMMENDED ALT 78-VO610A-1
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Vishay 2939
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AUD 0.4111
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MCT6SD


Transistor Output Optocouplers 8-Pin Optocoupler Dual Ch Phototrans
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ON Semiconductor 2939
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AUD 0.529
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