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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4N35M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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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 45056
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AUD 0.2313
Multiples of: 1

VO615A-2X009T


Transistor Output Optocouplers Optocplr 63-125% CTR 10mA SMD-4
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Vishay 760
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AUD 0.1855
Multiples of: 1

FOD8384R2V


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 759
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AUD 4.4493
Multiples of: 1

H11N1SM


High Speed Optocouplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 757
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AUD 1.1739
Multiples of: 1

SL3021


SMD Optocouplers - Phototransistor Output ROHS
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SLKORMICRO 756
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AUD 0.2996
Multiples of: 5

H11D1-X009T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 20%
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Vishay 756
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AUD 1.123
Multiples of: 1

TCET1100G


Transistor Output Optocouplers Phototransistor Out Single CTR 50-600%
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Vishay 754
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AUD 0.2627
Multiples of: 1

IL4118-X017


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 752
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AUD 2.8896
Multiples of: 1

PS2805C-4-A


Transistor Output Optocouplers Quad sgl Tr AC Couplr
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CEL 752
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AUD 4.6955
Multiples of: 1

TLP621-2X


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:55V
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Isocom 743
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AUD 0.7899
Multiples of: 1

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