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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TLP521-4


TLP521-4
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Isocom 970
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AUD 1.0714
Multiples of: 25

VO3063-X017T


Triac & SCR Output Optocouplers Phototriac ZC 1.5kV/us 5mA VDE
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Vishay 970
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AUD 1.15
Multiples of: 1

6N135SDM


Fairchild Semiconductor High Speed Optocouplers HI-SPEED SM LEAD BEND
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ON Semiconductor 970
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AUD 1.1737
Multiples of: 1

FOD2741ASV


Fairchild Semiconductor Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 970
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AUD 1.2066
Multiples of: 1

VO2630-X007T


High Speed Optocouplers 10Mbd High-Speed Dual CTR>300%
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Vishay 970
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AUD 1.8229
Multiples of: 1

HCPL2601V


Fairchild Semiconductor High Speed Optocouplers 13 Mbit Optocoupler 1Ch HS Logic Gate
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ON Semiconductor 970
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AUD 2.0345
Multiples of: 1

HCPL4503TSVM


High Speed Optocouplers HI-SPEED TRANSISTOR 8-PIN, SMD, VDE
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ON Semiconductor 970
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AUD 2.1973
Multiples of: 1

IL4208-X009T


Vishay Semiconductors Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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Vishay 970
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AUD 2.2679
Multiples of: 1000

FOD4108SD


Fairchild Semiconductor Triac & SCR Output Optocouplers Black Pkg Zero Cross Snubless Triac Drver
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ON Semiconductor 970
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AUD 2.4986
Multiples of: 1

FOD410TV


Fairchild Semiconductor Triac & SCR Output Optocouplers Zero-Cross Triac Out Snubberless VDE .4in
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ON Semiconductor 970
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AUD 3.0302
Multiples of: 1

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