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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PC81710NIP0X


Transistor Output Optocouplers Photocoupler Lead Free
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AUD 0.4439
Multiples of: 2000

TLP388(D4GB-TR,E


Transistor Output Optocouplers Photocoupler 350V .05A 5000Vrms
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AUD 0.444
Multiples of: 1

ELQ3H7(B)(TA)(PF)-G


SOP-16 Transistor, Photovoltaic Output Optoisolators ROHS
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AUD 0.444
Multiples of: 5

TLP2309(TPL,E(O


SOIC-6-2.54mm Optocouplers - Phototransistor Output ROHS
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AUD 0.4453
Multiples of: 1

VO3023-X001


Vishay DIP-6 TRIAC IFT 5MA
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AUD 0.4457
Multiples of: 1

MOCD207VM


Transistor Output Optocouplers 8-Pin Optocoupler 2Ch Phototransistor
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AUD 0.5217
Multiples of: 1

H11AA1M


Transistor Output Optocouplers Optocouplers
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AUD 0.4464
Multiples of: 50

6N139


1kV/us DC DIP-8 Logic Output Optoisolators ROHS
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AUD 0.4466
Multiples of: 1

TLP281


Optocouplers SMD-4 RoHS
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AUD 0.4468
Multiples of: 1

ELM611(TA)-V


10Mbit/s 100ns 7V 20kV/us DC SOP-5 Optocouplers - Logic Output ROHS
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AUD 0.4478
Multiples of: 1

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