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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SFH6156-3T0


Transistor Output Optocouplers H. Relblty 5300 Vrms 100-200% CTR
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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 28498
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AUD 0.4865
Multiples of: 1

TLP781F(GR,F)


Transistor Output Optocouplers Transistor Coupler CTR=100-300% BVS=5kV
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Toshiba 28494
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AUD 0.2345
Multiples of: 1

SFH6156-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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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 27913
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AUD 0.2279
Multiples of: 1

PS2805C-4-F3-A


CEL Transistor Output Optocouplers Quad sgl TR AC Cplr
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CEL 27709
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AUD 2.0221
Multiples of: 1

PC817C-S


SOP-4-2.54mm Optocouplers - Phototransistor Output ROHS
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Youtai 27480
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AUD 0.0366
Multiples of: 10

Hot MOC3021M


Triac & SCR Output Optocouplers DIP-6 NON-ZERO TRIAC
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ON Semiconductor 27463
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AUD 0.2743
Multiples of: 1000

EL817(A)-F


Optocouplers DIP-4 RoHS
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Everlight 26578
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AUD 0.0461
Multiples of: 10

TLP350(TP1,F)


Toshiba Logic Output Optocouplers IC Cplr IGBT drive
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Toshiba 23021
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AUD 0.7549
Multiples of: 1

MOC3063


Optotriac; 5kV; Uout:600V; zero voltage crossing driver; DIP6
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Lite-On 17135
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AUD 0.2117
Multiples of: 5

6N137S(TA)


Logic Output Optoisolator 10Mbps Open Collector 5000Vrms 1 Channel 5kV/µs CMTI 8-SMD
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Everlight 0
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AUD 0.3024
Multiples of: 25

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