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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PC3H7AJ0000F


Transistor Output Optocouplers 35-70% CTR ranked PC3H7J00000F
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Sharp 0
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AUD 0.3631
Multiples of: 1

MOC3052-V


New Quadratic Unclassified Data DIP-6 RoHS
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Lite-On 0
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AUD 0.3636
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CNY17-1-500E


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP SMD T/R
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Broadcom 0
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AUD 0.3645
Multiples of: 1000

HMA121CR3V-NF098


Transistor Output Optocouplers Optocoupler
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ON Semiconductor 0
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AUD 0.3645
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TIL113SM


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 0
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AUD 0.3646
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4N36-X009T


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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Vishay 0
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AUD 0.3647
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TLP293(BL,E(T


Optocouplers SO-4 RoHS
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Toshiba 0
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AUD 0.3649
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TLP265J(E


Triac & SCR Output Optocouplers Gen Purp 1-Circuit 70mA 600V 3750Vrms
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AUD 0.3649
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TPC817D C9G


Transistor Output Optocouplers Photocoupler DC input 80V 50mA
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Taiwan Semiconductor 0
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AUD 0.3657
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ISP521-1XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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Isocom 0
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AUD 0.3662
Multiples of: 1

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