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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MOC3023S-TA1


Triac & SCR Output Optocouplers Optocoupler TRIAC
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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.

Lite-On 33028
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AUD 0.1466
Multiples of: 5

MOC8102-X009


Transistor Output Optocouplers Phototransistor Out Single CTR > 73-117%
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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.

Vishay 10738
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AUD 0.8224
Multiples of: 1

CNY17-4X007


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 10670
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AUD 0.3632
Multiples of: 1

PS2561DL-1Y-V-F3-A


CEL Transistor Output Optocouplers BV=5000Vr.m.s 1 Channel
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CEL 10456
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AUD 0.5173
Multiples of: 1

TLP126(TPL,F)


Transistor Output Optocouplers
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Toshiba 10432
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AUD 0.9639
Multiples of: 1

4N35-X009T


Transistor Output Optocouplers Phototransistor Out Single CTR >100%
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Vishay 9496
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AUD 0.3737
Multiples of: 1

EL827


Transistor Output Optocouplers Optocoupler Dual Ch Transistor DC Input
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Everlight 9108
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AUD 0.1744
Multiples of: 5

CNY17-3


Transistor Output Optocouplers NPN Phototransistor
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Vishay 8538
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AUD 0.3003
Multiples of: 1

H11L1VM


Logic Output Optocouplers Optocoupler Schmitt Trigger
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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 7924
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AUD 0.4565
Multiples of: 1

ACPL-217-500E


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 5039
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AUD 0.3047
Multiples of: 5

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