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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MOC3022VM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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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 3798
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AUD 0.3677
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

IL256AT


Transistor Output Optocouplers Phototransistor Out Single CTR >20%
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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.

Vishay 3783
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AUD 0.7174
Multiples of: 1

CNY17F-3S


Transistor Output Optocouplers Optocoupler Phototrans
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Lite-On 3782
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AUD 0.1789
Multiples of: 1

H11D2


Transistor Output Optocouplers HV Phototransistor
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Vishay 3775
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AUD 0.9161
Multiples of: 1

TLP292(GB-TPL.E(T


Optocoupler; SMD; Ch: 1; Uinsul: 3.75kV; Uce: 80V; SO4; 50mA
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Toshiba 3769
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AUD 0.454
Multiples of: 1

VO615A-1X006


Transistor Output Optocouplers H.Temp Phototrnstr 40-80% CTR
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Vishay 3765
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AUD 0.2043
Multiples of: 1

HCPL-181-06BE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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Broadcom 3723
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AUD 0.3618
Multiples of: 1

PC817B


DIP-4 Optocouplers - Phototransistor Output ROHS
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Youtai 3608
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AUD 0.0251
Multiples of: 20

SFH628A-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-500%
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Vishay 3165
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AUD 0.6286
Multiples of: 1

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