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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HCNW2211-500E


High Speed Optocouplers 5MBd 1Ch 1.6mA
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Broadcom 727
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AUD 4.0502
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FOD8318R2V


Logic Output Optocouplers VDE tested, 2.5A IGBT Drive Optocoupl
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ON Semiconductor 727
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AUD 5.081
Multiples of: 1

4N38-X009T


Transistor Output Optocouplers Phototransistor Out Single CTR>20%
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Vishay 725
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AUD 0.4121
Multiples of: 1

HCNW4506-500E


Logic Output Opto-couplers 1Ch 12mA 145mW
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Broadcom 725
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AUD 2.7553
Multiples of: 1

Hot CNY17F3VM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:4.17kV; DIP6
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ON Semiconductor 720
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AUD 0.2986
Multiples of: 1

PS2561DL2-1Y-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 720
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AUD 0.7031
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H11L2VM


Logic Output Optocouplers Optocoupler Schmitt Trigger
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ON Semiconductor 719
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AUD 1.1062
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LTV-331J-TP1


SOP-16 Optocouplers - Phototransistor Output ROHS
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Lite-On 719
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AUD 3.4177
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LOC112STR


IXYS Integrated Circuits High Linearity Optocouplers Linear Optocoupler
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IXYS 718
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AUD 2.2524
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4N25


100mA 5kV 300mV@2mA,50mA 1 6V 1.2V DC DIP-6 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 717
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AUD 0.1592
Multiples of: 5

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