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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SFH617A-3X


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP4
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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.

Isocom 97000
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AUD 0.2186
Multiples of: 100

CNY17-3X007T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 6790
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AUD 0.3661
Multiples of: 1000

ILD621GB


Transistor Output Optocouplers Phototransistor Out Dual CTR >100%
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Vishay 1823
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AUD 0.92
Multiples of: 1

SFH690C-X001T


Triac & SCR Output Optocouplers Phototransistor 100-200% CTR VDE
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Vishay 1818
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AUD 0.437
Multiples of: 1

CNY17-2X019


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1817
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AUD 0.4479
Multiples of: 1

VOT8123AG


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 1817
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AUD 0.95
Multiples of: 1

ATM3023-CuH-SE


100mA 60mA 400V 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 1813
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AUD 0.152
Multiples of: 5

HCPL-181-00AE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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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.

Broadcom 1800
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AUD 0.38
Multiples of: 1

CNY17F-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1792
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AUD 0.2844
Multiples of: 1

FOD8012AR2


High Speed Optocouplers Bi-Direct High Speed Logic Gate Optocoupl
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ON Semiconductor 1707
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AUD 4.5886
Multiples of: 1

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