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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LTV-829


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:50V
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Lite-On 2372
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AUD 0.3265
Multiples of: 1

TLP293-4(GB,E


Toshiba Transistor Output Optocouplers 4ch Transistor opto coupler
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Toshiba 2371
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AUD 1.1398
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CNY17F-2X006


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 2366
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AUD 0.4085
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TLP291(V4GBTP,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2366
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AUD 0.7505
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H11AA1


Optoisolator Transistor with Base Output 5300Vrms 1 Channel 6-DIP
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Vishay 2366
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AUD 0.7683
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CNY65ABST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 80-240%
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Vishay 2365
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AUD 2.1825
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MOC3041TVM


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 2364
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AUD 0.557
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LTV-358T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Lite-On 2361
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AUD 0.2759
Multiples of: 1

MOC213VM


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 2360
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AUD 0.3981
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6N138S


High Speed Optocouplers Darlington 100KBd Transistor Output
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Lite-On 2360
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AUD 0.4292
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