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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FOD817B300W


Transistor Output Optocouplers 4-Pin DIP Photo Xstr Output Optocoupler
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ON Semiconductor 5434
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AUD 0.1855
Multiples of: 1

ACPL-C78A-500E


Optically Isolated Amplifiers 5000 Vrms 10 kHz
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Broadcom 1608
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AUD 8.349
Multiples of: 1

VO615A-6X001


Vishay Semiconductors Transistor Output Optocouplers Optocuopler DIP4
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Vishay 1604
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AUD 0.1757
Multiples of: 1

HCPL3700SV


Logic Output Optocouplers Optocoupler aC/DC to Logic
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 1604
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AUD 3.4549
Multiples of: 1

Hot FOD8173


Logic Output Optocouplers SSO6 3.3V 10MB
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ON Semiconductor 1603
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AUD 0.9167
Multiples of: 1

VOT8025AB-T


Triac & SCR Output Optocouplers Zero 800V Vrdm 100mA SMD6; 5300V Vrms
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Vishay 1602
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AUD 0.5051
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ISP814XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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Isocom 1583
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AUD 0.42
Multiples of: 1

TLP2303(TPL,E(T


SO-5-4.6mm Logic Output Optoisolators ROHS
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Toshiba 1561
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AUD 0.5047
Multiples of: 1

TLP785(GR,F)


Transistor Output Optocouplers Photo-IC 60mA 80V 5000 Vrms 8000 Vpk
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Toshiba 1401
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AUD 0.1636
Multiples of: 5

PS8802-1-F3-AX


High Speed Optocouplers SGL Tr DC Fast Couplr
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Renesas 262
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AUD 2.5474
Multiples of: 1

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