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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ACPL-227-50BE


Transistor Output Optocouplers DC Phototx Coupler
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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 1920
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AUD 0.8694
Multiples of: 1

FODM3083R2


Optotriac; 3.75kV; triac; Mini-flat 4pin; Channels:1
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ON Semiconductor 1920
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AUD 0.9128
Multiples of: 1

FOD819


Transistor Output Optocouplers 4PB TR DIP
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ON Semiconductor 1919
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AUD 1.0317
Multiples of: 1

PS817


Optocoupler; THT; OUT: transistor; Uinsul: 5kV; CTR@If: 400%@5mA
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Optosupply 1918
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AUD 0.1079
Multiples of: 5

TLP181GB-S


3.75kV 6V 1.2V DC SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 1915
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AUD 0.0931
Multiples of: 5

CNY17F4M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 1913
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AUD 0.2957
Multiples of: 1

H11AA4SR2VM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler SM-DIP6 Phototransistor
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ON Semiconductor 1913
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AUD 0.5116
Multiples of: 1

VO3063


Triac & SCR Output Optocouplers Zero Crossing Photo Triac
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Vishay 1913
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AUD 0.7207
Multiples of: 1

TCMT1600T3


Transistor Output Optocouplers AC Input, Phtotrnstr 80-300% CTR VDE
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Vishay 1912
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AUD 0.2056
Multiples of: 1

SL3H7C


SSOP-4 Optocouplers - Phototransistor Output ROHS
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SLKORMICRO 1911
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AUD 0.1651
Multiples of: 5

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