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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VOM3053T


Triac & SCR Output Optocouplers 600V 5mA 1.5K DV/DT Non-Zero Crossing
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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 3371
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AUD 0.8669
Multiples of: 1

TLP785F(GB-TP7,F)


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 3370
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AUD 0.2023
Multiples of: 5

PC817AS


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4-6.5mm-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 3356
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AUD 0.0499
Multiples of: 10

PC817X2YIPW


Sharp Microelectronics
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Sharp 3356
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AUD 0.1055
Multiples of: 5

TLP293(GRL-TPL,E


Toshiba Transistor Output Optocouplers X36 PBF Transistor Optocoupler AC 125C
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Toshiba 3355
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AUD 0.4028
Multiples of: 1

VO615A-X009T


Transistor Output Optocouplers H.Temp Phototrnstr 50-600% CTR 5mA
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Vishay 3354
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AUD 0.1729
Multiples of: 1

VOH1016AD-V


High Speed Optocouplers 1MBps Schmitt-Trigr DIP-6; VDE
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Vishay 3354
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AUD 0.6923
Multiples of: 1

TCET1109G


Transistor Output Optocouplers Phototransistor Out Single CTR 200-400%
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Vishay 3353
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AUD 0.2674
Multiples of: 1

FODM217AV


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 3350
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AUD 0.3201
Multiples of: 1

SFH617A-2X019


Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 3347
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AUD 0.6788
Multiples of: 1

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