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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HCPL0637R2


Fairchild Semiconductor High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 1483
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AUD 2.6604
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HCPL0638


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 1480
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AUD 2.5728
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TLP387(D4-TPR,E(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 1479
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AUD 0.9814
Multiples of: 1

SFH600-3


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1475
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AUD 0.4994
Multiples of: 1

PC457L0NIP0F


High Speed Optocouplers Photocoupler High CMR1Mbps
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Sharp 1468
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AUD 0.7949
Multiples of: 1

Hot VO0600T


High Speed Optocouplers 10Mbd Open Collector Single Channel
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Vishay 1467
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AUD 0.9445
Multiples of: 1

CNY17F-4X007


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1463
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AUD 0.3632
Multiples of: 1

OR-MOC3053(L)S-TA1


SCR Output Optoisolators
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Orient 1459
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AUD 0.1463
Multiples of: 5

K20101B


Optocouplers DIP-6 RoHS
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Cosmo 1459
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AUD 0.1802
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4N27


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:1.5kV; DIP6
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Lite-On 1458
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AUD 0.1527
Multiples of: 1

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