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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4N25TVM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1721
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AUD 0.4399
Multiples of: 1

4N26-X009T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>20%
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Vishay 1716
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AUD 0.3859
Multiples of: 1

ILQ1-X007


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Quad CTR > 20%
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Vishay 1714
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AUD 2.0577
Multiples of: 1

FODM8061


High Speed Optocouplers Hi Noise Immunity 5V 10M/sec Logic Gt Out
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ON Semiconductor 1713
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AUD 3.6444
Multiples of: 1

TLP183(BLL-TPL,E


Transistor Output Optocouplers X36 PBF Trans Opto couplr 110C3750Vrms
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Toshiba 1713
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AUD 0.5003
Multiples of: 1

PC851XNNIP1H


Transistor Output Optocouplers Photocoupler
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Sharp 1711
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AUD 0.7231
Multiples of: 1

MOC3012TVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin 250V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 1710
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AUD 0.6517
Multiples of: 1

HCPL0731


High Speed Optocouplers Dual Ch Optocoupler LCHG SplitDarlington
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ON Semiconductor 1709
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AUD 2.0877
Multiples of: 1762

FOD073LR2


High Speed Optocouplers SC LC HG Split Dar Output Coupler
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ON Semiconductor 1709
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AUD 2.373
Multiples of: 1

VO0601-X001T


Triac & SCR Output Optocouplers H. Speed Optocplr 10MBd 5kV/us CMR VDE
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Vishay 1707
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AUD 2.0769
Multiples of: 1

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