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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VOM160NT


Triac & SCR Output Optocouplers 600V 5mA 0.5K DV/DT Non-Zero Crossing
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Vishay 14428
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AUD 0.4663
Multiples of: 1

PS8101-F3-AX


Optocouplers SO-5 RoHS
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Renesas 125
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AUD 1.6013
Multiples of: 1

TLP223GA(D4TP1,F


MOSFET Output Optocouplers Photorelay; RoHS; VDE
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Toshiba 110
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AUD 1.6981
Multiples of: 1

FODM8071R2


High Speed Optocouplers High Noise Immunity 3.3/5V Logic Gat Out
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ON Semiconductor 109
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AUD 2.6912
Multiples of: 1

CNY17F-2


Transistor Output Optocouplers 63-125CTR 5000Vrms -55 to +110 Op Temp
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Everlight 108
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AUD 0.3949
Multiples of: 2

TLP548J(TP1,F)


Triac & SCR Output Optocouplers Photo-IC 600V 2500Vrms 150mA
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Toshiba 108
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AUD 1.6055
Multiples of: 1

OPI128


High Speed Optocouplers Optoisolator
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TT Electronics 107
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AUD 14.2507
Multiples of: 1

4N22


Optek TT Electronics Transistor Output Optocouplers Optocoupled Isolator
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TT Electronics 102
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AUD 51.4045
Multiples of: 1

OR-M0C3063(L)S-TA1


SCR Output Optoisolators
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Orient 97
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AUD 0.1599
Multiples of: 5

IL300-F-X017T


Optocoupler DC-IN 1-CH Linear Photovoltaic DC-OUT 8-Pin PDIP-8A SMD T/R
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Vishay 52
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AUD 8.7507
Multiples of: 1

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