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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SFH617A-3X017


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 16898
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AUD 0.557
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VOM617AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOP4
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Vishay 16876
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AUD 0.2085
Multiples of: 1

VOS618A-8X001T


Transistor Output Optocouplers CTR 130-260% 1mA
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Vishay 16818
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AUD 0.3865
Multiples of: 1

TLP627(TP1,F)


Transistor Output Optocouplers 300V Phototransistor 5000 Vrms 60 IF
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Toshiba 16807
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AUD 0.9913
Multiples of: 1

PS2711-1-F3-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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Renesas 16698
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AUD 0.576
Multiples of: 1

CPC1001N


Transistor Output Optocouplers Dual 1 Form-A relay 4-Pin SOP
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IXYS 16682
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AUD 0.8964
Multiples of: 1

MCT6


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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ON Semiconductor 16665
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AUD 0.3642
Multiples of: 1

H11A1M


Optocoupler; THT; Channels:1; Out: transistor; 4.17kV; DIP6
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ON Semiconductor 16612
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AUD 0.3087
Multiples of: 1

CNY17F2SR2M


Optocoupler DC-IN 1-CH Transistor DC-OUT 6-Pin PDIP SMD White T/R
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ON Semiconductor 16470
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AUD 0.3379
Multiples of: 1

4N35S-TA1


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.55kV
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Lite-On 16407
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AUD 0.1428
Multiples of: 1

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