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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TCMT1600T3


Transistor Output Optocouplers AC Input, Phtotrnstr 80-300% CTR VDE
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Vishay 1513
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AUD 0.3767
Multiples of: 1

PC923LRNIP0F


500ns 15kV/us DC SOP-8-2.54mm Optocouplers - Logic Output ROHS
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Sharp 591
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AUD 0.7504
Multiples of: 1

FOD4216SV


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 341
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AUD 2.9881
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CNY17F1SR2M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 339
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AUD 0.2842
Multiples of: 1

LIA130S


Optically Isolated Amplifiers Optically Isolated Linear Error Amp
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IXYS 339
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AUD 0.6728
Multiples of: 1

14230224010


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x-4L DIP 4 Standard 400V 10mA NZC
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Wurth 337
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AUD 0.6364
Multiples of: 1

VO617A-X018T


Transistor Output Optocouplers CPLR
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Vishay 336
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AUD 0.4269
Multiples of: 1

HCPL-0453-000E


Optocoupler; THT; Channels:1; Out: transistor; 3.75kV; 1Mbps; DIP8
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Broadcom 333
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AUD 1.9015
Multiples of: 1

ACPL-W340-000E


Logic Output Opto-couplers Gate Drive Opto
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Broadcom 332
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AUD 2.6328
Multiples of: 1

MOC3081M


100mA 60mA 800V 1.5V Two-way thyristor DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Youtai 194
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AUD 0.2511
Multiples of: 5

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