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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TLP521-1XGB


0.1V@1mA,20mA DIP-4 Optocouplers - Phototransistor 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.

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AUD 0.2267
Multiples of: 5

AT4N38-CuH-S


100mA 5kV 300mV@2mA,50mA 1 6V 1.2V DC SMD-6P Transistor, Photovoltaic Output Optoisolators 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.

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AUD 0.2272
Multiples of: 5

HCPL-817-30LE


Avago Technologies Transistor Output Optocouplers 5000 Vrms 50mA
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AUD 0.2276
Multiples of: 27800

HCPL-817-06BE


Avago Technologies Transistor Output Optocouplers 5000 Vrms 50mA
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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.

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AUD 0.2276
Multiples of: 1

HCPL-817-06AE


Transistor Output Optocouplers 5000 Vrms 50mA
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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.

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AUD 0.2276
Multiples of: 1

HCPL-817-W0CE


Avago Technologies Transistor Output Optocouplers 5000 Vrms 50mA
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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.

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AUD 0.2276
Multiples of: 1

HCPL-817-W0LE


Transistor Output Optocouplers 5000 Vrms 50mA
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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.

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AUD 0.2276
Multiples of: 27800

TLP621GB


DIP-4 Optocouplers - Phototransistor Output ROHS
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AUD 0.2282
Multiples of: 5

KL3081M


800V 1.5V DIP-6 Triac, SCR Output Optoisolators ROHS
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AUD 0.2286
Multiples of: 5

CNY17-3-W00E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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AUD 0.2286
Multiples of: 25025

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