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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CNY17F1M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 1980
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AUD 0.3335
Multiples of: 1

MOC3042SM


Triac & SCR Output Optocouplers SO-6 ZERO TRIAC
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ON Semiconductor 142
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AUD 0.5657
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VO2601


Vishay Semiconductors High Speed Optocouplers 10Mbd Open Collector Single Channel
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Vishay 142
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AUD 1.32
Multiples of: 1

TLP293-4(V4LGB,E


Toshiba Transistor Output Optocouplers 4ch Transistor opto coupler
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Toshiba 140
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AUD 0.92
Multiples of: 1

ACPL-7970-500E


Optically Isolated Amplifiers Isolation Amplifier Sigma-Delta Modulatr
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Broadcom 139
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AUD 3.2114
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HCPL-4100-000E


Logic Output Opto-couplers 20mA Current Loop
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Broadcom 139
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AUD 6.4179
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JAN4N24


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin TO-5
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Micropac 139
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AUD 22.1935
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TCLT1016


Transistor Output Optocouplers Phototransistor 100-300% CTR 5mA
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Vishay 137
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AUD 0.4725
Multiples of: 1

CNY17F-3


Transistor Output Optocouplers 100-200CTR 5000Vrms -55 to +110 Op Temp
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Everlight 135
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AUD 0.3422
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SFH615A-3X009


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 111
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AUD 0.2949
Multiples of: 5

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