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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TCLT1007


Transistor Output Optocouplers Phototransistor Out
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Vishay 1740
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AUD 0.318
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VO2601-X007T


High Speed Optocouplers 10Mbd High-Speed Single CTR>300%
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Vishay 1738
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AUD 1.2907
Multiples of: 1

HCPL0501V


Fairchild Semiconductor High Speed Optocouplers HS Optocoupler 1Ch Transistor
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ON Semiconductor 1737
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AUD 1.5714
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IL222AT


Transistor Output Optocouplers Photodarlington Out Single CTR >200%
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Vishay 1736
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AUD 0.6204
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ILD615-3


Transistor Output Optocouplers Phototransistor Out Dual CTR 100-200%
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Vishay 1736
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AUD 1.0581
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LTV-829


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:50V
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Lite-On 1735
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AUD 0.307
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FODM8801BV


Transistor Output Optocouplers OptoHiT Series; Hi Temp Phototransistor
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ON Semiconductor 1735
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AUD 0.9729
Multiples of: 1

ACPL-214-500E


Transistor Output Optocouplers 3000Vrms 20% CTR
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Broadcom 1731
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AUD 0.4806
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CNY172TVM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1729
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AUD 0.3087
Multiples of: 1

SFH620A-2X007


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 1728
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AUD 0.5635
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