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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VO617A-4X016


Vishay Semiconductors Transistor Output Optocouplers Optocuopler DIP4
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Vishay 294847
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AUD 0.1658
Multiples of: 1

EL817S1(C)(TU)-F


Optocouplers SMD-4 RoHS
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Everlight 291000
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AUD 0.0424
Multiples of: 10

MOC207R2M


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 269175
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AUD 0.3146
Multiples of: 2500

FODM124R2


Transistor Output Optocouplers Phototransistor Output Optocoupler
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ON Semiconductor 266750
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AUD 0.2238
Multiples of: 2500

PS2801C-1-F3-A


Transistor Output Optocouplers SGL Tr DC Couplr T/R versn die shrnk
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Renesas 263542
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AUD 0.4033
Multiples of: 1

VO615A-3X007T


Transistor Output Optocouplers Optcplr 100-200% CTR 10mA SMD-4
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Vishay 246830
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AUD 0.1668
Multiples of: 1

EL817S1(D)(TU)-F


Optocouplers SMD-4 RoHS
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Everlight 242063
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AUD 0.0542
Multiples of: 10

PS2705A-1-F3-A


Transistor Output Optocouplers SGL Tr AC Couplr
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CEL 233669
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AUD 0.6111
Multiples of: 1

Hot FOD8173SD


Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4
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ON Semiconductor 230450
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AUD 0.164
Multiples of: 1

MOC217R2M


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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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 223100
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AUD 0.2921
Multiples of: 2500

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