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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TLP781(GB,F)


Toshiba Transistor Output Optocouplers Transistor Coupler CTR=100-600% BVS=5kV
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Toshiba 5820
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AUD 0.1884
Multiples of: 5

VOS617A-4T


Vishay Semiconductors Transistor Output Optocouplers CTR 160-320% 5mA
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Vishay 5820
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AUD 0.2056
Multiples of: 3000

VOL617A-3T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler LSOP4
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Vishay 5820
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AUD 0.2076
Multiples of: 3000

FOD814A3SD


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 5820
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AUD 0.2153
Multiples of: 1000

VOL617A-4X001T


Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=5MA
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Vishay 5820
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AUD 0.2602
Multiples of: 1

VOL617AT


Transistor Output Optocouplers CPLR
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Vishay 5820
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AUD 0.2705
Multiples of: 1

4N35SVM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 5820
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AUD 0.2917
Multiples of: 1000

VOL618AT


Transistor Output Optocouplers CPLR
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Vishay 5820
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AUD 0.3627
Multiples of: 1

FOD817CS


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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ON Semiconductor 3686
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AUD 0.2262
Multiples of: 250

MOC217M


Transistor Output Optocouplers SO-8 PHOTO TRANS
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ON Semiconductor 1152
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AUD 0.2606
Multiples of: 1

First...7677787980...

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