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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ACPL-M60L-500E


Logic Output Optoisolator 15MBd Open Collector, Schottky Clamped 3750Vrms 1 Channel 10kV/µs CMTI 5-SO
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Broadcom 2250
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AUD 0.7651
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14230624300


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac ZC / WE30x-4L DIP 4 SL-Type 600V 10mA ZC
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Wurth 1445
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AUD 0.594
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TLP2761(TP4,E(T


SMD-6P Logic Output Optoisolators ROHS
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Toshiba 1444
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AUD 1.3293
Multiples of: 1

TLP292-4(V4GBTPE


Transistor Output Optocouplers 4ch Transistor opto coupler
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Toshiba 1443
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AUD 1.514
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CNY17-3-000E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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Broadcom 1442
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AUD 0.5704
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TCET1100


Transistor Output Optocouplers Phototransistor Out
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Vishay 1438
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AUD 0.2479
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IL212AT


Transistor Output Optocouplers Phototransistor Out Single CTR >50%
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Vishay 1438
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AUD 0.509
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APV2121SZ


Photodiode Output Optocouplers Driver 4-pin SOP T&R Driver 4-pin SOP T&R
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Panasonic 1437
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AUD 1.21
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VOS627A-3X001T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SSOP4
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Vishay 1433
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AUD 0.3809
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MCT2ESR2VM


Transistor Output Optocouplers 6pin Optocoupler Photodarlington
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ON Semiconductor 919
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AUD 0.3449
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