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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TLP291(BL-TP,SE


Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C
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Toshiba 9321
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AUD 0.1516
Multiples of: 5

MOC3052SM


SOP-6-6.5mm Thyristor Output Optocoupler 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 6780
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AUD 0.1458
Multiples of: 5

6N138S-TA1


High Speed Optocouplers Darlington 100KBd Transistor Output
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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 6522
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AUD 0.3881
Multiples of: 1

VO617A-3X018T


Transistor Output Optocouplers CPLR
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Vishay 6462
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AUD 0.165
Multiples of: 1

PS2561L-1-F3-A


CEL Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 6441
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AUD 0.3583
Multiples of: 1

APV2111VW


Photodiode Output Optocouplers Drive 4-pin SSOP T&R Drive 4-pin SSOP T&R
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Panasonic 6372
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AUD 1.1707
Multiples of: 1

VO615A-4X019T


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SMD4
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Vishay 5161
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AUD 0.1776
Multiples of: 1

MOC3083SM


SOP-6-2.54mm Optocouplers - Thyristor Signal Output ROHS
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Youtai 4801
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AUD 0.1672
Multiples of: 5

LTV-847S


Optocoupler; SMD; Channels:4; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 4151
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AUD 0.2808
Multiples of: 5

LTV-844


Optocoupler; THT; Channels:4; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 302
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AUD 0.792
Multiples of: 1

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