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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HCPL-4506-500E


Logic Output Optoisolator Open Collector, Schottky Clamped 3750Vrms 1 Channel 15kV/µs CMTI 8-DIP Gull Wing
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Broadcom 1022
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AUD 1.2273
Multiples of: 1

CNY17F1SR2VM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 1021
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AUD 0.2923
Multiples of: 1

HCPL-2531-500E


Optoisolator Transistor Output 3750Vrms 2 Channel 8-DIP Gull Wing
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Broadcom 1021
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AUD 1.6396
Multiples of: 1

VO615A-9X007T


Transistor Output Optocouplers Optcplr 200-400% CTR 5mA SMD-4
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Vishay 1020
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AUD 0.1848
Multiples of: 1

FOD8001R2


Fairchild Semiconductor High Speed Optocouplers 3.3V Logic Gate with High Noise Immunity
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ON Semiconductor 1020
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AUD 1.3954
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PC3H7BJ0001H


Transistor Output Optocouplers Photocoupler
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Sharp 1019
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AUD 0.386
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TLP291(SE(T


Transistor Output Optocouplers
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Toshiba 1018
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AUD 0.3623
Multiples of: 350

SFH617A-3X001


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 1018
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AUD 0.4667
Multiples of: 1

VO3120-X019T


Logic Output Opto-couplers IGBT MOSFET Driver 2.5A VDE
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Vishay 1018
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AUD 1.0371
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TLP290(GB.SE(T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV; SO4
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Toshiba 1016
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AUD 0.398
Multiples of: 1

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