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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VOS617A-9T


Vishay Semiconductors Transistor Output Optocouplers CTR 130-260% 5mA
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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 9026
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AUD 0.2401
Multiples of: 1

MOC206M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:2.5kV; SO8
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ON Semiconductor 8730
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AUD 0.3668
Multiples of: 1

MOC3020M


DIP-6 Optocouplers - Thyristor Signal Output ROHS
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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 0.2973
Multiples of: 1

VO615A-8X001


Transistor Output Optocouplers Optocuopler DIP4
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Vishay 3225
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AUD 0.1757
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

FODM217CR2


Transistor Output Optocouplers 4 PIN TRANSISTOR OUTPUT MFP
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ON Semiconductor 3134
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AUD 0.2587
Multiples of: 1

6N139


High Speed Optocouplers HG Photodarlington
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Vishay 2882
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AUD 0.9575
Multiples of: 1

IS281-4


Optoisolator Transistor Output 3750Vrms 4 Channel
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Isocom 2585
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AUD 1.0714
Multiples of: 1

TCET1203


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 0
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AUD 0.2514
Multiples of: 1

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