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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6N137S-TA1


Logic Output Optoisolator 15MBd Open Collector 5000Vrms 1 Channel 10kV/µs CMTI 8-SMD
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Lite-On 29403
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AUD 0.3866
Multiples of: 1

VOD207T


Transistor Output Optocouplers Optocoupler SOIC8
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Vishay 27615
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AUD 0.5107
Multiples of: 1

VOL628A-3X001T


Transistor Output Optocouplers AC Input, Phtotrnstr 100-200% CTR VDE
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Vishay 22705
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AUD 0.3866
Multiples of: 1

PS2815-1-F3-A


Optocoupler AC-IN 1-CH Transistor DC-OUT 4-Pin SSOP T/R
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Renesas 22648
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AUD 0.7734
Multiples of: 1

Hot HCPL0611


High Speed Optocouplers OPTO LIGHTING
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ON Semiconductor 22641
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AUD 1.0168
Multiples of: 1

FODM3053R2V_NF098


Triac & SCR Output Optocouplers 600V RANDOM PHASE TRIAC OUTPUT
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ON Semiconductor 21825
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AUD 0.8872
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TCMT1109


Transistor Output Optocouplers Phototransistor Out
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Vishay 19851
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AUD 0.2577
Multiples of: 1

LTV-814S-TA1-A


Optocouplers SMD4 RoHS
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Lite-On 13686
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AUD 0.1203
Multiples of: 5

6N137S-TA1-L


Optocouplers SMD-8 RoHS
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Lite-On 12610
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AUD 0.3493
Multiples of: 5

MOC3023


Optotriac; 5kV; Uout:400V; without zero voltage crossing driver
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Lite-On 8463
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AUD 0.1713
Multiples of: 5

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