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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IS281-4GB


Optoisolator Transistor Output 3750Vrms 4 Channel
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Isocom 97000
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AUD 1.1055
Multiples of: 2000

HCPL-0370-500E


Logic Output Optocouplers 1Ch 50mA 275mW
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Broadcom 2152
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AUD 2.3593
Multiples of: 1

FOD8480


Optically Isolated Intelligent Power Module Driver in Stretched Body Totem-Pole 5.5mA 6-Pin SOP Tube
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ON Semiconductor 1185
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AUD 1.6746
Multiples of: 1

TLP293(V4-BLTL,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 1185
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AUD 0.3667
Multiples of: 1

VOT8024AD


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC DIP4
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Vishay 1184
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AUD 0.4679
Multiples of: 1

EL0501(TA)


Optoisolator Transistor with Base Output 3750Vrms 1 Channel 8-SOP
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Everlight 1183
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AUD 0.9319
Multiples of: 1

ACPL-C79A-500E


Optically Isolated Amplifiers Precision Iso-Amp
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Broadcom 1150
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AUD 3.1104
Multiples of: 1

CNY17F-3X017T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1131
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AUD 0.4564
Multiples of: 1

FOD4218S


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 245
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AUD 1.7567
Multiples of: 1

TLP291(GR,SE


Toshiba Transistor Output Optocouplers Gen Purp 1-Circuit 50mA 80V 3750Vrms
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Toshiba 228
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AUD 0.3929
Multiples of: 1

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