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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ACPL-217-50DE


Transistor Output Optocouplers 3000Vrms 50% CTR
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Broadcom 8783
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AUD 0.3696
Multiples of: 5

JANTX4N23U


Transistor Output Optocouplers 6 Pin SMT OCI
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TT Electronics 92
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AUD 54.1978
Multiples of: 1

SFH6286-4X001T


Transistor Output Optocouplers Phtotrnstr AC Input CTR% 160 to 500
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Vishay 89
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AUD 1.1955
Multiples of: 1

H11L1-V


Logic Output Opto-couplers Optocouplers
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Everlight 87
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AUD 0.723
Multiples of: 1

HCPL-0452-500E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 87
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AUD 1.4376
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NTE3040


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
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NTE 87
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AUD 2.4573
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APS2241S


Photodiode Output Optocouplers 20Mbps 4.4x4.3x2.1mm AIGaAs LED, PhotoIC
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Panasonic 87
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AUD 3.1761
Multiples of: 1

EL816(D)


DIP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Everlight 77
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AUD 0.0742
Multiples of: 5

TLP627-4(F)


Transistor Output Optocouplers DARL. 4 CH Vceo=300V MIN
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Toshiba 58
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AUD 4.3085
Multiples of: 1

PS2565L-1-A


Transistor Output Optocouplers Hi-Iso AC Input 1-Ch
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CEL 0
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AUD 0.7096
Multiples of: 1

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