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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VO615A-2X019T


Transistor Output Optocouplers RECOMMENDED ALT 782-SFH615A-2X019T
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Vishay 749
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AUD 0.1776
Multiples of: 1

SFH6345-X009T


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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Vishay 748
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AUD 1.232
Multiples of: 1

515-1230F


Transistor Output Optocouplers LIGHT PIPE
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Dialight 746
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AUD 1.4446
Multiples of: 100

VO617A-7


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 80-160%
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Vishay 744
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AUD 0.1681
Multiples of: 1

FOD814S


Transistor Output Optocouplers OPTO_LIGHTING
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ON Semiconductor 744
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AUD 0.2121
Multiples of: 1

SFH615AGR-X007T


Vishay Transistor Output Optocouplers Phototransistor Out Single CTR>100-300%
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Vishay 744
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AUD 0.4101
Multiples of: 1

HCPL-0302-000E


Logic Output Opto-couplers 8MBd 1Ch 0.5mA
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Broadcom 744
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AUD 1.84
Multiples of: 1

ACPL-M61L-000E


High Speed Optocouplers 10MBd 15k V/us
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Broadcom 744
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AUD 2.4
Multiples of: 1

PC3H7J00001H


Transistor Output Optocouplers Photocoupler
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Sharp 743
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AUD 0.354
Multiples of: 1

TLP291(BLL,SE


Toshiba Transistor Output Optocouplers Gen Purp 1-Circuit 50mA 80V 3750Vrms
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Toshiba 702
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AUD 0.3832
Multiples of: 1

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