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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VOM617A-2X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 63-125% 5mA VDE
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Vishay 4696
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AUD 0.2011
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TLP183(TPL,E(T


SOP-4 Optocouplers - Phototransistor Output ROHS
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Toshiba 4690
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AUD 0.4719
Multiples of: 1

FOD8163V


Logic Output Optocouplers SSO6 3.3V 10MB VDE
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ON Semiconductor 4690
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AUD 1.8984
Multiples of: 1

VOL617A-3T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler LSOP4
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Vishay 4687
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AUD 0.2561
Multiples of: 1

CNY17F-4S


Optocoupler DC-IN 1-CH Transistor DC-OUT 6-Pin PDIP SMD
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Lite-On 4682
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AUD 0.1897
Multiples of: 1

IL4108-X007


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 4673
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AUD 2.4514
Multiples of: 1

AT817A-FeH-DE


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC DIP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 4656
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AUD 0.0336
Multiples of: 20

HMHA2801


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 4430
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AUD 0.2161
Multiples of: 1

MOC217M


Transistor Output Optocouplers SO-8 PHOTO TRANS
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ON Semiconductor 4423
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AUD 0.3017
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6N139S-TA1


High Speed Optocouplers Darlington 100KBd Transistor Output
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Lite-On 4293
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AUD 0.3913
Multiples of: 1

First...9192939495...

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