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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PS2706-1-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 715
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AUD 1.8213
Multiples of: 1

H11B1SR2VM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 713
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AUD 0.447
Multiples of: 1

IS355


Optocoupler; SMD; Channels:1; Out: Darlington; Uinsul:3.75kV
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Isocom 713
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AUD 0.5778
Multiples of: 1

CNY17-3


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 712
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AUD 0.1678
Multiples of: 5

AB42S


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SOP4; 42; 60V
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MGT Brightek 711
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AUD 5.4533
Multiples of: 1

IL4116


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 710
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AUD 3.2857
Multiples of: 1

TLP197G(F)


Relay SSR 50mA 1.3V DC-IN 0.12A 350V AC/DC-OUT 6-Pin SOP
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Toshiba 709
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AUD 3.5833
Multiples of: 1

AT817A-FeL-SE


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 708
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AUD 0.0443
Multiples of: 10

OPI1264B


Transistor Output Optocouplers Output Photosensor Input Diode
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TT Electronics 707
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AUD 4.4873
Multiples of: 1

6N136-X007T


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>35%
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Vishay 706
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AUD 0.9516
Multiples of: 1

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