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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PC357B


3.75kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4-208mil-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 8642
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AUD 0.048
Multiples of: 10

TLP293(V4BLLTL,E


Transistor Output Optocouplers
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Toshiba 4403
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AUD 0.4028
Multiples of: 1

6N139S-TA1


High Speed Optocouplers Darlington 100KBd Transistor Output
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Lite-On 4293
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AUD 0.4039
Multiples of: 1

CNY17F-2X006


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay 4290
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AUD 0.33
Multiples of: 1

TCDT1124G


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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Vishay 4282
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AUD 0.3219
Multiples of: 1

SFH6286-2X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 4276
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AUD 0.736
Multiples of: 1

VO618A-4


Transistor Output Optocouplers Optcplr 160-320% CTR 1mA DIP-4
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Vishay 4272
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AUD 0.1741
Multiples of: 1

MOC3083S


Triac & SCR Output Optocouplers 800VDRM IFT=5mA 6 Pin Optocoupler
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Lite-On 4207
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AUD 0.4477
Multiples of: 1

CNY17F3SR2M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 3880
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AUD 0.2674
Multiples of: 1000

MOC3043SM


100mA 60mA 400V 1.23V Two-way thyristor SMD-6P Thyristor Output Optocoupler ROHS
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AOTE 2662
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AUD 0.2033
Multiples of: 5

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