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-3


Transistor Output Optocouplers RECOMMENDED ALT 782-SFH617A-3
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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 3260
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AUD 0.1681
Multiples of: 1

MOC3020M


DIP-6 Optocouplers - Thyristor Signal Output 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.

Youtai 3234
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AUD 0.1643
Multiples of: 5

FODM217C


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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ON Semiconductor 3234
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AUD 0.2605
Multiples of: 1

VO615A-8X001


Transistor Output Optocouplers Optocuopler DIP4
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Vishay 3225
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AUD 0.1681
Multiples of: 1

TCET1203


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 3219
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AUD 0.2514
Multiples of: 1

VO617A-3X006


Transistor Output Optocouplers H. Relblty 5300 Vrms 100-200% CTR
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Vishay 3218
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AUD 0.1681
Multiples of: 1

FOD8173S


Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4
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ON Semiconductor 3212
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AUD 0.2477
Multiples of: 1

OR-3H7-4GB-TA1-GK


80V 3750V 50mA 0.1V@1mA,20mA 4 6V 1.2V DC SOP-16-4.4mm Optocouplers - Phototransistor Output ROHS
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Orient 2177
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AUD 0.3672
Multiples of: 1

EL817(D)-F


Optocouplers Through Hole RoHS
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Everlight 1881
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AUD 0.0496
Multiples of: 10

HTLP181GB-S


SOP-4 Transistor Output Optocoupler ROHS
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HXY MOS 1634
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AUD 0.0802
Multiples of: 5

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