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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PS2501-1XSM


Optoisolator Transistor Output 5300Vrms 1 Channel
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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 0.2705
Multiples of: 2000

SFH615A-3XSMT/R


DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R
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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 0.2705
Multiples of: 2000

SFH618A-4X


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 0.276
Multiples of: 2000

SFH615A-4XSMT/R


OPTOISOLATOR 5.3KV TRANS 4SMD
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Isocom 97000
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AUD 0.2848
Multiples of: 2000

SFH618A-3XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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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 0.299
Multiples of: 2000

SFH618A-4XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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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 0.299
Multiples of: 2000

PS2502-1


Optocouplers DIP-4 RoHS
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Isocom 97000
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AUD 0.4556
Multiples of: 2000

PS2502-1SM


Optocouplers SMD-4 RoHS
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Isocom 97000
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AUD 0.4841
Multiples of: 2000

MCT210


Transistor Output Optocouplers DIP-6 PHOTO TRANS
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Isocom 96844
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AUD 0.3036
Multiples of: 1040

MCT275


Optocoupler DC-IN 1-CH Transistor 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 96844
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AUD 0.3132
Multiples of: 1040

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