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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HCPL2531M


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 12610
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AUD 1.5284
Multiples of: 1000

TLP521-1XSM


Optocouplers SMD-4 RoHS
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Isocom 1957
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AUD 0.3803
Multiples of: 1

PS2562L1-1-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 1956
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AUD 0.7749
Multiples of: 1

ACPL-P346-500E


Logic Output Opto-couplers OPTOCOUPLER GATE DRV, TR+LF
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Broadcom 1945
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AUD 3.4657
Multiples of: 1

VOT8026AG


Triac & SCR Output Optocouplers Zero 800V Vrdm 100mA DIP6; 5300V Vrms
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Vishay 1943
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AUD 0.4632
Multiples of: 1

SFH6106-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1942
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AUD 0.1807
Multiples of: 1

CNY17-1X007T


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 1892
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AUD 0.3891
Multiples of: 1

TLP2748(D4-TP,E(T


Optocouplers SO-6L RoHS
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Toshiba 1868
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AUD 0.7479
Multiples of: 1

CYPC817(B-TP2)


Optocouplers SOP-4 RoHS
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OCIC 640
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AUD 0.0399
Multiples of: 10

OR-0631-TA1


- Logic Output Optocoupler ROHS
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Orient 505
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AUD 0.8686
Multiples of: 1

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