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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TLP151A(TPR,E)


Logic Output Opto-couplers Photo-IC 10 to 30V 3750 Vrms 500ns
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Toshiba 10442
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AUD 0.9457
Multiples of: 1

VOS627A-2T


Transistor Output Optocouplers AC Input Phtotrnstr 63-125%CTR +-5MA
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Vishay 2037
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AUD 0.3513
Multiples of: 1

ACPL-217-50CE


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 2035
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AUD 0.4096
Multiples of: 1

4N32


Transistor Output Optocouplers Optocouplers
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Everlight 2031
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AUD 0.3218
Multiples of: 2

VOH1016AD


High Speed Optocouplers 1MBps Schmitt-Trigr DIP-6
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Vishay 2030
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AUD 0.5362
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AT3061-CuH-DE


100mA 60mA 1.23V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 2022
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AUD 0.139
Multiples of: 5

CNY17F-3X017


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1972
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AUD 0.4844
Multiples of: 1

PS2805C-4-F3


Optocouplers SO-16 RoHS
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Renesas 1924
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AUD 0.8044
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CNY17-1


Optoisolator Transistor with Base Output 5000Vrms 1 Channel 6-DIP
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Vishay 1876
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AUD 0.3087
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LTV-814HS-TA1


Optoisolator Transistor Output 5000Vrms 1 Channel 4-SMD
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Lite-On 1833
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AUD 0.2545
Multiples of: 1

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