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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SFH6156-1


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 6762
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AUD 0.3563
Multiples of: 1

EL817S1(A)(TU)-F


Optocouplers SMD-4 RoHS
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Everlight 6760
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AUD 0.0586
Multiples of: 10

PS2706-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 6738
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AUD 0.7997
Multiples of: 1

PS2801C-1-A


Transistor Output Optocouplers SNGL Tr DC Couplr
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CEL 6734
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AUD 1.6394
Multiples of: 1

LTV-844HS


Transistor Output Optocouplers Optocoupler AC in 4-CHNL
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Lite-On 6725
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AUD 0.8619
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LTV-8141


Optoisolator Darlington Output 5000Vrms 1 Channel 4-DIP
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Lite-On 6685
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AUD 0.3579
Multiples of: 1

CNY17F-3X009


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 6618
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AUD 0.3284
Multiples of: 1

TLP185(GR-TPR,E(T


Optocouplers SMD-4 RoHS
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Toshiba 6588
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AUD 0.6231
Multiples of: 1

TLP351H(F)


Logic Output Optocouplers Photo-IC 3750 Vrms 35V VCC 5mA 30V
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Toshiba 6528
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AUD 0.8537
Multiples of: 1

6N137S


10Mbit/s 100ns 2.7V~5.5V 10kV DC SOP-8 Logic Output Optoisolators ROHS
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AOTE 6348
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AUD 0.2858
Multiples of: 5

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