About Optocouplers / Photocouplers

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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TLP785GB-S


Optocouplers SMD RoHS
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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.

Youtai Availability : 46579
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USD 0.0506
Multiples of: 5

Hot VO615A-9


Vishay Semiconductors Transistor Output Optocouplers Optocoupler 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.

Vishay Availability : 46560
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USD 0.1125
Multiples of: 1

4N32


Optoisolator Darlington Output 5300Vrms 1 Channel 6-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.

Isocom Availability : 46404
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USD 0.2637
Multiples of: 2990

4N33


DC-IN 1-CH Darlington With Base DC-OUT 6-Pin PDIP
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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 Availability : 46404
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USD 0.2637
Multiples of: 2990

MOC3022


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.

Lite-On Availability : 46291
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USD 0.1103
Multiples of: 5

TLP290-4(GB-TP,E(T


Optocouplers SO-16 RoHS
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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.

Toshiba Availability : 46018
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USD 0.4701
Multiples of: 1

TLP291(GRL-TP,SE


Toshiba Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C
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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.

Toshiba Availability : 45493
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USD 0.1212
Multiples of: 5

EL2501S(K)(TU)-G


Optocouplers SMD-4 RoHS
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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.

Everlight Availability : 45449
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USD 0.0512
Multiples of: 5

PS2701A-1-F3-P-A


CEL Transistor Output Optocouplers SNGL Tr AC Couplr
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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.

CEL Availability : 45102
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USD 0.2112
Multiples of: 1

VOM617A-7X001T


Transistor Output Optocouplers Phototransistor Out CTR 80-160% 5mA VDE
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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.

Vishay Availability : 44970
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USD 0.1426
Multiples of: 1

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