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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VOS617A-7X001T


Transistor Output Optocouplers CTR 80-160% 5mA
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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 : 41480
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USD 0.1507
Multiples of: 1

LTV-354T


80V 3750V 50mA 0.1V@1mA,20mA 1 1.24V AC,DC SOP-4-2.54mm Optocouplers - Phototransistor Output 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 : 41031
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USD 0.0556
Multiples of: 5

EL357N(D)(TA)-G


Transistor Output Optocouplers Optocoupler
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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 : 39677
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USD 0.052
Multiples of: 15

6N137SDM


Optocoupler; SMD; Channels:1; Out: gate; CTR@If:19-50%@16mA
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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 Availability : 38911
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USD 0.5797
Multiples of: 1

IS181GB


Optocouplers SOP-4_P2.54 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.

Isocom Availability : 38881
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USD 0.0872
Multiples of: 5

TLP620-2


Optocouplers DIP-8 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.

Isocom Availability : 38800
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USD 0.4485
Multiples of: 2000

TIL198


Optocoupler DC-IN 2-CH Darlington DC-OUT 8-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 : 38800
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USD 0.5023
Multiples of: 2000

PS2505-2


Optocouplers DIP-8 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.

Isocom Availability : 38800
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USD 0.5023
Multiples of: 2000

PS2505-2SM


Optocouplers SMD-8 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.

Isocom Availability : 38800
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USD 0.5203
Multiples of: 2000

MOCD217R2M


Optocoupler; SMD; Channels:2; Out: transistor; 2.5kV; SO8
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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 Availability : 36375
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USD 0.4017
Multiples of: 2500

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