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 575
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AUD 0.9118
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Hot SFH6916


Transistor Output Optocouplers Phototransistor Out Quad CTR 50-300%
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Vishay 574
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AUD 1.8444
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4N30SR2M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 569
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AUD 0.3841
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IL4116-X007


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 569
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AUD 2.9571
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H11AV1AM


Transistor Output Optocouplers 0.4" Optocoupler Phototransistor
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ON Semiconductor 568
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AUD 0.3422
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LCR-0202


Optocouplers Through Hole RoHS
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Senba 568
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AUD 0.5899
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H11L3SM


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; Gull wing 6
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Isocom 567
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AUD 0.7941
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SFH617A-2X019T


Transistor Output Optocouplers H. Relblty 5300 Vrms 63-125% CTR VDE
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Vishay 563
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AUD 0.6076
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LTV-4N25


Optocouplers DIP-6 RoHS
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Lite-On 562
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AUD 0.1468
Multiples of: 5

MOC3020S


60mA 400V 1.15V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 0
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AUD 0.1354
Multiples of: 5

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