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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MOC3020S-TA


Lite-On Triac & SCR Output Optocouplers Optocoupler TRIAC
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Lite-On 7736
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AUD 0.3212
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VO610A-3X016


Transistor Output Optocouplers Phototransistor Out CTR 100-200%
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Vishay 7696
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AUD 0.168
Multiples of: 1

LTV-826S-TA


Transistor Output Optocouplers Optocoupler
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Lite-On 7677
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AUD 0.2479
Multiples of: 1

TLP184(V4GBTL,SE(T


SOP-4 Optocouplers - Phototransistor Output ROHS
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Toshiba 7672
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AUD 0.4297
Multiples of: 1

OR-3H7-4GB-TA1-GK


80V 3750V 50mA 0.1V@1mA,20mA 4 6V 1.2V DC SOP-16-4.4mm Optocouplers - Phototransistor Output ROHS
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Orient 7654
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AUD 0.4223
Multiples of: 1

VOS628AT


Transistor Output Optocouplers AC Input, Phtotrnstr 50-600%CTR, +/-1MA
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Vishay 7633
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AUD 0.3737
Multiples of: 1

VO615A-7X006


Transistor Output Optocouplers H.Temp Phototrnstr 80-160% CTR
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Vishay 7631
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AUD 0.1606
Multiples of: 1

VOS618AT


Transistor Output Optocouplers CTR 50-600% 1mA
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Vishay 7628
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AUD 0.2514
Multiples of: 1

TLP291(V4GBTP,SE(T


Optocouplers SO4 RoHS
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Toshiba 7409
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AUD 0.2163
Multiples of: 1

LTV-817S-TA


Optoisolator Transistor Output 5000Vrms 1 Channel 4-SMD
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Lite-On 2616
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AUD 0.1589
Multiples of: 1

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