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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HCPL-0701-500E


High Speed Optocouplers 100kBd 1Ch 0.5mA
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Broadcom 2311
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AUD 1.5091
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6N139M


High Speed Optocouplers Darlington 100KBd Transistor Output
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Lite-On 2304
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AUD 0.3957
Multiples of: 1

CNY17G-3


Transistor Output Optocouplers Phototransistor Out Dual CTR 100-200%
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Vishay 2302
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AUD 0.284
Multiples of: 1

ACPL-332J-500E


Logic Output Opto-couplers 1.5A IGBT Gate Drive
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Broadcom 2301
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AUD 3.3019
Multiples of: 1

HCPL0639


Fairchild Semiconductor High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 2296
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AUD 1.4842
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SFH6345-X009


Vishay Semiconductors High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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Vishay 2295
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AUD 1.4404
Multiples of: 1

MOC3042M


100mA 60mA 400V 1.5V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 2294
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AUD 0.1844
Multiples of: 5

H11A1SM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 2294
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AUD 0.2972
Multiples of: 1

FOD814S


Transistor Output Optocouplers OPTO_LIGHTING
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ON Semiconductor 2291
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AUD 0.1724
Multiples of: 1

VOT8025AD


Triac & SCR Output Optocouplers Zero 800V Vrdm 100mA DIP6; 5300V Vrms
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Vishay 2288
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AUD 0.4728
Multiples of: 1

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