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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VOM618A-5X001T


Transistor Output Optocouplers Phototransistor Out CTR 50-100% 1mA VDE
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Vishay 1488
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AUD 0.2357
Multiples of: 1

TLP2303(E(T


High Speed Optocouplers
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Toshiba 1488
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AUD 0.8178
Multiples of: 1

VO3120


Logic Output Optocouplers 2.5A Current Out IGBT/MOSFET Drvr
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Vishay 1487
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AUD 1.1035
Multiples of: 1

CNY17F-4X009T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1484
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AUD 0.4202
Multiples of: 1

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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MCT2ESR2VM


Transistor Output Optocouplers 6pin Optocoupler Photodarlington
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ON Semiconductor 1480
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AUD 0.3649
Multiples of: 1

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

HCPL2630


Optocoupler; THT; Channels:2; Out: logic; 2.5kV; 10Mbps; DIP8
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ON Semiconductor 1479
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AUD 1.6915
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

HCPL2530M


Transistor Output Optocouplers HIGH SPEED TRANS OPTOCOUPLERS
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ON Semiconductor 1473
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AUD 1.5199
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