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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VOS615A-2T


Transistor Output Optocouplers Phototransistor 63-125% CTR 10MA
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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 1913
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AUD 0.2263
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VOM618A-5T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 50-100% 1mA
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Vishay 1911
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AUD 0.2326
Multiples of: 1

CNY17F3SM


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 1909
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AUD 0.2671
Multiples of: 1

VO4258H


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 2mA
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Vishay 1907
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AUD 3.1032
Multiples of: 1

FOD2711AV


Transistor Output Optocouplers OPTICALLY ISOLATED ERROR AMPLIFIER
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ON Semiconductor 1902
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AUD 0.7448
Multiples of: 1

SFH6186-5T


Transistor Output Optocouplers Phototransistor Out Single CTR 250-500%
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Vishay 1901
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AUD 0.46
Multiples of: 1

TPC816A C9G


Transistor Output Optocouplers Photocoupler DC input 70V 50mA
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Taiwan Semiconductor 1900
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AUD 0.11
Multiples of: 1

4N35-X017


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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Vishay 1897
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AUD 0.3457
Multiples of: 1

SFH615A-4


Transistor Output Optocouplers RECOMMENDED ALT 78-VO615A-4
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Vishay 1583
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AUD 0.318
Multiples of: 1

FOD3182


Optocoupler; THT; Channels:1; Out: MOSFET; 5kV; DIP8; 50kV/μs
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ON Semiconductor 910
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AUD 1.42
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