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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MOC3042SR2M


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 10905
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AUD 0.5453
Multiples of: 1

H11AA4M


Transistor Output Optocouplers 6-PIN DIP AC INPUT PHOTOTRANSLATOR
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ON Semiconductor 1712
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AUD 0.3414
Multiples of: 1

LTV-357T-C-IN


Optocouplers SOP-4 RoHS
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Lite-On 1639
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AUD 0.0729
Multiples of: 5

H11D2-X007


Transistor Output Optocouplers Phototransistor Out Single CTR > 20%
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Vishay 1635
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AUD 1.2635
Multiples of: 1

VO206AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 1632
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AUD 0.4154
Multiples of: 1

IL4216


Triac & SCR Output Optocouplers Phototriac Output Very Low Input Curr
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Vishay 1615
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AUD 2.64
Multiples of: 1

CNY64A


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1609
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AUD 1.4599
Multiples of: 1

TLP2303(TPL,E(T


SO-5-4.6mm Logic Output Optoisolators ROHS
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Toshiba 1607
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AUD 0.5868
Multiples of: 1

SFH615A-4X017T


Transistor Output Optocouplers RECOMMENDED ALT 78-VO615A-4X017T
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Vishay 1590
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AUD 0.2694
Multiples of: 5

HCPL-316J-000E


Logic Output Opto-couplers 2.0A IGBT Gate Drive
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Broadcom 1387
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AUD 5.8
Multiples of: 1

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