About Optocouplers / Photocouplers

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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TCMT1108


Transistor Output Optocouplers Phototransistor Out
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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 174780
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AUD 0.2654
Multiples of: 1

TLP187(TPL,E(T


Optocouplers SO-4 RoHS
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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.

Toshiba 171248
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AUD 0.3142
Multiples of: 5

PS2802-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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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.

CEL 165643
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AUD 0.8433
Multiples of: 1

MOC3063S-TA1


Optotriac; 5kV; Uout:600V; zero voltage crossing driver
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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 157933
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AUD 0.178
Multiples of: 5

SFH6156-3T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 157140
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AUD 0.2328
Multiples of: 1000

PC357N2J000F


Transistor Output Optocouplers 130-260% CTR ranked PC357NJ0000F
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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.

Sharp 152260
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AUD 0.1365
Multiples of: 5

FOD3182SDV


Fairchild Semiconductor High Speed Optocouplers High Speed 3A OUT MOSFET Gate Driver
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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 151805
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AUD 2.476
Multiples of: 1

TCMT1102


Transistor Output Optocouplers Phototransistor Out
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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 151320
Ships to you
between Fri. 26 Jul to Tue. 30 Jul Calender.png

AUD 0.2654
Multiples of: 1

VO617A-3X017T


Transistor Output Optocouplers RECOMMENDED ALT 782-SFH617A-3X017T
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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 145643
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between Fri. 26 Jul to Tue. 30 Jul Calender.png

AUD 0.1663
Multiples of: 1

PC817X2CSP9F


Transistor Output Optocouplers Photocoupler
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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.

Sharp 143787
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AUD 0.1024
Multiples of: 5

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