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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VO2631


High Speed Optocouplers 10Mbd Open Collector Dual Channel
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Vishay 2008
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AUD 1.9373
Multiples of: 1

EL817(D)-F


Optocouplers Through Hole RoHS
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Everlight 2007
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AUD 0.0518
Multiples of: 10

4N26


Transistor Output Optocouplers PTR 20%, 2.5KV
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Lite-On 2005
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AUD 0.1642
Multiples of: 1

4N32VM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 1999
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AUD 0.3943
Multiples of: 1

4N26-X009


Transistor Output Optocouplers Phototransistor Out CTR>20%
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Vishay 1997
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AUD 0.3387
Multiples of: 1

TLP785(GR,F)


Transistor Output Optocouplers Photo-IC 60mA 80V 5000 Vrms 8000 Vpk
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Toshiba 1988
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AUD 0.1247
Multiples of: 5

FOD8001


High Speed Optocouplers 3.3V Logic Gate Drvr w/High Noise Immnty
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ON Semiconductor 1987
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AUD 1.4949
Multiples of: 1

FOD8343R2


Logic Output Optocouplers 3.0AHighSpeedGateDrv OptocoupInStretchSO6
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ON Semiconductor 1986
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AUD 2.5577
Multiples of: 1

TLP5772H(TP,E


Logic Output Opto-couplers Gate Drive Coupler; 2.5A; High Temp; RoHS
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Toshiba 1983
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AUD 1.8712
Multiples of: 1

TCLT1107


Transistor Output Optocouplers Phototransistor Out Single CTR 80-160%
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Vishay 1982
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AUD 0.3751
Multiples of: 1

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