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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PC3SD11YXPCH


Optotriac; 5kV; zero voltage crossing driver; Gull wing 6
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AUD 1.0963
Multiples of: 1

TLP748J(TP1,F)


Triac & SCR Output Optocouplers THYRISTOR PHOTOCOUPLER
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AUD 1.0968
Multiples of: 1500

LTP-1G4


SOP-4 Optocouplers - Phototransistor Output ROHS
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Letex Technology 0
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AUD 1.0969
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IL252-X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out AC-In Sing CTR>100%
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AUD 1.0981
Multiples of: 2000

IL252-X017


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out AC-In Sing CTR>100%
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AUD 1.0981
Multiples of: 2000

TLP292-4(V4GBTRE


Transistor Output Optocouplers 4ch Transistor opto coupler
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AUD 1.1
Multiples of: 1

ILD615-1


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR 40-80%
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Vishay 0
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AUD 1.1
Multiples of: 1

PS2911-1-F3-K-AX


Transistor Output Optocouplers SGL Tr DC Couplr
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CEL 0
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AUD 1.1015
Multiples of: 3500

PC355NTJ000F


Transistor Output Optocouplers Photocoupler DC Input
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AUD 1.1017
Multiples of: 1

TLP504A(F)


Transistor Output Optocouplers TR HIGH Vceo (55V)
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AUD 1.1046
Multiples of: 1

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