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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MOC3023SM


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 3952
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AUD 0.3489
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HCPL0639


Fairchild Semiconductor High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 2201
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AUD 1.4426
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H11D3SR2M


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 2077
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AUD 0.5751
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VO615A-3X018T


Transistor Output Optocouplers H.Temp Phototrnstr 100-200% CTR VDE
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Vishay 2070
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AUD 0.165
Multiples of: 1

VO617A-4X006


Transistor Output Optocouplers H. Relblty 5300 Vrms 160-320% CTR
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Vishay 2066
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AUD 0.1681
Multiples of: 1

TLP183(BL-TPL,E(T


SOIC-4 Optocouplers - Phototransistor Output ROHS
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Toshiba 2066
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AUD 0.2874
Multiples of: 5

FOD8143S


Transistor Output Optocouplers OPTO_LIGHTING
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ON Semiconductor 2060
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AUD 0.2756
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4N35M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:3.55kV; DIP6
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Lite-On 2046
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AUD 0.1697
Multiples of: 1

EL852S


5kV 1.5V@100mA,20mA 1 6V 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 2027
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AUD 0.2291
Multiples of: 5

CNY17-3S


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 1093
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AUD 0.2169
Multiples of: 1

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