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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SFH617A-4X001


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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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 3031
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AUD 0.55
Multiples of: 1

MOC3041D


60mA 400V 1.25V Two-way thyristor DIP Optocouplers - Thyristor Signal 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.

GUOXIN JIAPIN SEMICONDUCTOR 3026
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AUD 0.2133
Multiples of: 5

CNY174SM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 3026
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AUD 0.3265
Multiples of: 1

TLP2761(TP,E(O


SOP-6 Logic Output Optoisolators ROHS
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Toshiba 3024
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AUD 0.7995
Multiples of: 1

CNY17-1S


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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Lite-On 3021
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AUD 0.1886
Multiples of: 1

HCPL0639


Fairchild Semiconductor High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 3021
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AUD 1.5889
Multiples of: 1

VOS618A-8T


Vishay Semiconductors Transistor Output Optocouplers CTR 130-260% 1mA
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Vishay 3012
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AUD 0.2514
Multiples of: 1

ELM611(TA)-V


10Mbit/s 100ns 7V 20kV/us DC SOP-5 Optocouplers - Logic Output ROHS
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Everlight 3009
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AUD 0.5933
Multiples of: 1

LTV-155E


MOSFET Output Optocouplers SOP-5 IGBT Driver Output
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Lite-On 3008
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AUD 0.6392
Multiples of: 1

4N25


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:1.5kV; DIP6
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Lite-On 2976
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AUD 0.1711
Multiples of: 1

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