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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FOD817C300W


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 3821
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AUD 0.1712
Multiples of: 5

TLP521-4X


Optoisolator Transistor Output 5300Vrms 4 Channel 16-DIP
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Isocom 3811
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AUD 1.1978
Multiples of: 1

VO615A-6


Transistor Output Optocouplers H.Temp Phototrnstr 100-300% CTR
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Vishay 3805
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AUD 0.1729
Multiples of: 1

CNY75A


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 3795
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AUD 0.309
Multiples of: 1

CNY17-3X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 3791
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AUD 0.4138
Multiples of: 1

PS2561D-1Y-A


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP Magazine
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Renesas 3791
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AUD 0.4417
Multiples of: 1

VO615A-8X018T


Transistor Output Optocouplers H.Temp Phototrnstr 130-260 % CTR VDE
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Vishay 3790
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AUD 0.268
Multiples of: 1

HCPL0601R2(TOKMAS)


10Mbit/s 60ns 4.5V~26.4V 50kV/us DC SOIC-8 Optocouplers - Logic Output ROHS
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Tokmas 3783
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AUD 0.4331
Multiples of: 1

IL256AT


Transistor Output Optocouplers Phototransistor Out Single CTR >20%
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Vishay 3783
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AUD 0.7174
Multiples of: 1

MOC3022VM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 1940
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AUD 0.3655
Multiples of: 1000

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