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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TLP185(Y.SE(T


Transistor Output Optocouplers
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Toshiba 4482
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AUD 0.3844
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CNY17-2


Transistor Output Optocouplers Optocoupler PTR 40%, 5KV, 6PIN
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Lite-On 4470
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AUD 0.1658
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HCPL0453R2


High Speed Optocouplers Optocoupler 1Ch HS Transistor
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ON Semiconductor 4459
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AUD 0.8028
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LTV-217B


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.2V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 4432
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AUD 0.0748
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VOM617A-8X001T


Transistor Output Optocouplers Phototransistor Out CTR 130-260% 5mA VDE
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Vishay 4429
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AUD 0.2069
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TLP701(TP,F)


Logic Output Opto-couplers IC Cplr IGBT drive IFLH=5mA
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Toshiba 4419
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AUD 1.2351
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IL250


Transistor Output Optocouplers Phototransistor Out Single CTR >50%
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Vishay 4418
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AUD 0.9434
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Hot LTV-814M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 4412
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AUD 0.2069
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TCLT1006


Transistor Output Optocouplers Phototransistor Out
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Vishay 4369
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AUD 0.3382
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SFH6286-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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Vishay 4161
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AUD 0.6567
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