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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FOD3150


Logic Output Opto-couplers High Noise Immunity 1.0A Out, Gate
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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 1802
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AUD 0.9573
Multiples of: 1

TCDT1120


Transistor Output Optocouplers Phototransistor Out
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Vishay 1799
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AUD 0.2972
Multiples of: 1

VO615A-X007T


Transistor Output Optocouplers H.Temp Phototrnstr 50-600% CTR, 5mA
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Vishay 1794
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AUD 0.2019
Multiples of: 1

FOD852300


Transistor Output Optocouplers OPTO LIGHTING
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ON Semiconductor 1794
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AUD 0.4335
Multiples of: 1

TLP719F(D4-TP,F)


SOIC-6 Optocouplers - Logic Output ROHS
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Toshiba 1787
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AUD 1.0185
Multiples of: 1

HCPL0700


Fairchild Semiconductor High Speed Optocouplers Hi Gain Optocoupler 1Ch LC Darlington
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ON Semiconductor 1787
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AUD 1.8577
Multiples of: 1

TLP268J(TPL,E


Toshiba Triac & SCR Output Optocouplers Triac Optocoupler Low Trigger Current
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Toshiba 1781
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AUD 0.5823
Multiples of: 1

CNY17-4X017


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1776
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AUD 0.3891
Multiples of: 1

4N28SM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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ON Semiconductor 1770
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AUD 0.2857
Multiples of: 1

LTV-845


Optocoupler; THT; Channels:4; Out: Darlington; Uinsul:5kV; Uce:35V
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Lite-On 1518
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AUD 0.8422
Multiples of: 1

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