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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HCPL0534R2


High Speed Optocouplers 1Mbit/s HS Dual Channel Tran-15kV/us
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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 181
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AUD 1.6905
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HCPL2630V


Fairchild Semiconductor High Speed Optocouplers 2Ch 10MBits Optocpl Logic Gate Output
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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 180
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AUD 1.8552
Multiples of: 1

TLP352(D4,F)


Toshiba Logic Output Optocouplers Gate Drive Coupler
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Toshiba 178
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AUD 1.1111
Multiples of: 1

HCPL-0721-000E


High Speed Optocouplers 25MBd 1Ch 150mA
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Broadcom 177
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AUD 7.0209
Multiples of: 1

EL3011


Triac & SCR Output Optocouplers 250PBV 5000Vrms -55 to +100 Op Temp
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Everlight 175
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AUD 0.5328
Multiples of: 1

3C92C


Optek TT Electronics Transistor Output Optocouplers Optocoupled Isolator
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TT Electronics 175
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AUD 31.7522
Multiples of: 1

PC817B


35V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC SMD-4 Optocouplers - Phototransistor Output ROHS
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SLKORMICRO 174
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AUD 0.0349
Multiples of: 20

14230526011


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x DIP 6 Standard 600V 10mA NZC
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Wurth 174
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AUD 0.9857
Multiples of: 1

K844P


Transistor Output Optocouplers Phototransistor Out Quad CTR >20%
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Vishay 174
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AUD 1.256
Multiples of: 1

KMOC3041S TL


SMD Optocouplers - Phototransistor Output ROHS
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Cosmo 92
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AUD 0.3538
Multiples of: 5

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