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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TLP290(TP,SE(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 5630
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AUD 0.3036
Multiples of: 5

CTT2223


Triac Optocouplers DIP-7 RoHS
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CT Micro International 790
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AUD 0.637
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VO615A-5X009T


Transistor Output Optocouplers H.Temp Phototrnstr 50-150% CTR
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Vishay 789
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AUD 0.1935
Multiples of: 1

HCPL-4100-500E


Avago Technologies Logic Output Optocouplers 20mA Current Loop
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Broadcom 787
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AUD 6.428
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ACPL-054L-560E


Avago Technologies High Speed Optocouplers Optocouplers 1MBd
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Broadcom 783
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AUD 1.7804
Multiples of: 1

MOC3042S


60mA 400V 1.25V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 761
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AUD 0.2035
Multiples of: 5

TLP385(D4GR-TR,E(T


SOP-4-300mil-2.54mm Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 693
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AUD 0.288
Multiples of: 5

HCPL-0500-500E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 679
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AUD 1.5916
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FOD8314TR2


Logic Output Opto-couplers 1.0A Output Gate Driver Optocoupler
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ON Semiconductor 491
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AUD 0.9096
Multiples of: 1

PC3H7CJ0001H


Transistor Output Optocouplers OPTOISOLATOR TRANSISTOR SMD, Optoisolator Output Channel
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Sharp 465
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AUD 0.3147
Multiples of: 5

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