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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FOD819


Transistor Output Optocouplers 4PB TR DIP
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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 1923
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AUD 0.9867
Multiples of: 1

VO615A-2X007T


Transistor Output Optocouplers H.Temp Phototrnstr 63-125 % CTR
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Vishay 1922
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AUD 0.2951
Multiples of: 1

VO3052-X007T


Triac & SCR Output Optocouplers Non Zero Crossing Phototriac 600V 10mA
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Vishay 1922
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AUD 0.7793
Multiples of: 1

FOD8343TV


Logic Output Optocouplers 4A WIDE LEAD GATE D RIVER
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ON Semiconductor 1921
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AUD 2.5192
Multiples of: 1

AT817B-FeL-SE


5kV 50mA 6V 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 1920
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AUD 0.0371
Multiples of: 20

PC3SD12NTZAH


Triac & SCR Output Optocouplers Phototriac Coupler
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Sharp 1920
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AUD 0.5858
Multiples of: 1

ACPL-227-50BE


Transistor Output Optocouplers DC Phototx Coupler
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Broadcom 1920
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AUD 0.8694
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

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