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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EL816S1(D)(TU)-F


DIP Optocouplers SMD-4 RoHS
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Everlight 582
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AUD 0.0675
Multiples of: 10

CNY64ABST


Transistor Output Optocouplers PHOTOTRANSISTOR OUT CTR 80-240%
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Vishay 581
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AUD 1.8857
Multiples of: 1

PS2811-1-A


Transistor Output Optocouplers Hi CTR Lo-Input 1-Ch
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CEL 579
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AUD 1.7129
Multiples of: 1

HCNW139-000E


High Speed Optocouplers 100kBd 1Ch 0.4mA
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Broadcom 577
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AUD 1.92
Multiples of: 1

QCPL-325J-500E


SOP-16 Transistor, Photovoltaic Output Optoisolators ROHS
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Broadcom 574
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AUD 2.6109
Multiples of: 1

TLP3545A(TP1,F


MOSFET Output Optocouplers Photorelay 4A 60V 2500Vrms 640pF
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Toshiba 573
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AUD 4.4178
Multiples of: 1

MOC3062SM


100mA 60mA 600V 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 572
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AUD 0.266
Multiples of: 5

MOC3083S


60mA 800V 1.3V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 572
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AUD 0.2742
Multiples of: 5

APV1122A


Photodiode Output Optocouplers 5000VAC 8.7V DRIVER
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Panasonic 572
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AUD 2.8914
Multiples of: 1

HCPL-3180-500E


High Speed Optocouplers 2.0A IGBT Gate Drive
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Broadcom 0
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AUD 2.0233
Multiples of: 1

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