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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FODM3063


Optotriac; 3.75kV; triac; Mini-flat 4pin; Channels:1
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ON Semiconductor 3847
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AUD 0.6474
Multiples of: 1

MOC3023SM


SOP-6-6.5mm Optocouplers - Thyristor Signal Output ROHS
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Youtai 2211
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AUD 0.1446
Multiples of: 5

IS357B


Optocouplers SMD RoHS
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Isocom 2056
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AUD 0.244
Multiples of: 1

IL420-X009


Triac & SCR Output Optocouplers Phototriac Output, Low Input Current
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Vishay 2048
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AUD 2.2786
Multiples of: 1

4N27M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 2043
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AUD 0.2797
Multiples of: 1

LTV-816-C-CU


DIP-4 Optocouplers - Phototransistor Output ROHS
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Lite-On 2037
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AUD 0.0793
Multiples of: 10

VOS627A-2T


Transistor Output Optocouplers AC Input Phtotrnstr 63-125%CTR +-5MA
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Vishay 2037
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AUD 0.3363
Multiples of: 1

CNY17-3X017T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 2034
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AUD 0.407
Multiples of: 1

CNY17F-3X017


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 2034
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AUD 0.3844
Multiples of: 1

AT3061-CuH-DE


100mA 60mA 1.23V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 2032
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AUD 0.139
Multiples of: 5

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