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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TLP291(V4GLTR,SE(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2087
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AUD 0.7105
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TLP2761(D4-TP,E


15Mbit/s 80ns 2.7V~5.5V 20kV/us AC,DC SO-6 Logic Output Optoisolators ROHS
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Toshiba 2086
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AUD 0.8255
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H11D1SR2M


Transistor Output Optocouplers Hi Volt Phototrans
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ON Semiconductor 2080
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AUD 0.5641
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H11D3SR2M


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 2077
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AUD 0.5751
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ACPL-K342-000E


Logic Output Opto-couplers Optocoupler
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Broadcom 2076
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AUD 4.9522
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TLP388(D4-TPL,E


Transistor Output Optocouplers Photocoupler 350V .05A 5000Vrms
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Toshiba 1979
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AUD 0.6238
Multiples of: 1

TLP105(TPL,F)


250ns 10kV/us DC SOP-5-175mil Optocouplers - Logic Output ROHS
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Toshiba 1978
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AUD 0.9593
Multiples of: 1

TLP781(GB,F)


Toshiba Transistor Output Optocouplers Transistor Coupler CTR=100-600% BVS=5kV
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Toshiba 1930
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AUD 0.2611
Multiples of: 5

MOC3062M


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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ON Semiconductor 1140
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AUD 0.5137
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MOCD213R2VM


Transistor Output Optocouplers 8-Pin Optocoupler 2Ch Phototransistor
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ON Semiconductor 0
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AUD 0.4466
Multiples of: 2500

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