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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TLP785F(D4GRT7,F(C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 1504
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AUD 0.1777
Multiples of: 5

VOH1016AD


High Speed Optocouplers 1MBps Schmitt-Trigr DIP-6
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Vishay 1497
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AUD 0.5763
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HCPL-0452-500E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 1496
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AUD 2.0177
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EL3022


Triac Optocouplers DIP-6 RoHS
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Everlight 1493
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AUD 0.1489
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H11A1SR2M


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1493
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AUD 0.3513
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EL817S1(B)(TU)


Transistor Output Optocouplers Optocoupler Transistor DC Input
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Everlight 1488
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AUD 0.1063
Multiples of: 5

AT3062-CuH-SE


100mA 60mA 600V 1.3V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 1488
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AUD 0.2329
Multiples of: 5

VOM618A-5X001T


Transistor Output Optocouplers Phototransistor Out CTR 50-100% 1mA VDE
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Vishay 1488
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AUD 0.2357
Multiples of: 1

TLP2303(E(T


High Speed Optocouplers
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Toshiba 1488
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AUD 0.8178
Multiples of: 1

CNY17F-4X009T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1484
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AUD 0.4202
Multiples of: 1

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