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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VOT8024AB-T


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC SMD4
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Vishay 1666
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AUD 0.6879
Multiples of: 1

HCPL-0500-500E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 1666
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AUD 1.1668
Multiples of: 1

SFH601-3X007T


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 1665
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AUD 0.9498
Multiples of: 1

4N28-X001


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>10%
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Vishay 1663
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AUD 0.3667
Multiples of: 1

IL410-X017


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 1663
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AUD 3.1032
Multiples of: 1

VOT8123AD-V


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 1661
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AUD 0.6513
Multiples of: 1

IL4216


Triac & SCR Output Optocouplers Phototriac Output Very Low Input Curr
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Vishay 1661
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AUD 3.5095
Multiples of: 1

SL247N


SSOP-16 Optocouplers - Phototransistor Output ROHS
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SLKORMICRO 1659
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AUD 0.5284
Multiples of: 1

VOT8025AB-T


Triac & SCR Output Optocouplers Zero 800V Vrdm 100mA SMD6; 5300V Vrms
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Vishay 1659
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AUD 0.6914
Multiples of: 1

VO0630T


High Speed Optocouplers Dual 10Mbd Hi-Speed Open Drain Out
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Vishay 1616
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AUD 2.0667
Multiples of: 1

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