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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Hot SFH610A-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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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 5939
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AUD 0.573
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VO3063-X007T


Triac & SCR Output Optocouplers Zero Crossing Photo Triac 600V 5mA
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Vishay 935
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AUD 0.6584
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MOC3020SM


100mA 60mA 1.23V Two-way thyristor SOP-6-2.54mm Triac, SCR Output Optoisolators ROHS
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AOTE 489
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AUD 0.1753
Multiples of: 5

VOM160RT


Triac & SCR Output Optocouplers 600V 10mA 0.5K DV/DT Non-Zero Crossing
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Vishay 487
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AUD 0.5287
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TLP2405(TP,F)


High Speed Optocouplers Photocoupler, Photo IC Output
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Toshiba 486
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AUD 1.7129
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MOC3082SM


100mA 60mA 800V 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 485
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AUD 0.244
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FODM2701R4


Optoisolator Transistor Output 3750Vrms 1 Channel 4-SMD
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ON Semiconductor 484
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AUD 0.4724
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HMHA281R2V


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 479
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AUD 0.3169
Multiples of: 1

ILQ1615-4


Transistor Output Optocouplers Phototransistor Out Quad CTR > 160-320%
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Vishay 478
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AUD 2.5192
Multiples of: 1

VOM160N-X001T


Triac & SCR Output Optocouplers SOP-4 P.TRIAC NZC,5MA,0.5K DV
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Vishay 0
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AUD 0.285
Multiples of: 2000

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