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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EL2611


High Speed Optocouplers High Speed Thru-Hole 10MB/s
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Everlight 66
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AUD 0.81
Multiples of: 1

Hot LDA201


Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 66
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AUD 0.84
Multiples of: 1

CPC1303G


Transistor Output Optocouplers Optocoupler, Single 5000Vrms I/O
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IXYS 66
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AUD 1.8857
Multiples of: 1

4N49UTX


Optoisolator Transistor with Base Output 1000VDC 1 Channel 6-LCC (6.22x4.32)
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TT Electronics 66
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AUD 60.099
Multiples of: 1

TLP521-1XSM


Optocouplers SMD-4 RoHS
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Isocom 65
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AUD 0.37
Multiples of: 1

NTE3041


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
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NTE 65
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AUD 3.15
Multiples of: 1

PS2561L1-1-L-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 64
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AUD 0.4077
Multiples of: 1

SL851D


DIP-4 Transistor Output Optocoupler ROHS
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SLKORMICRO 0
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AUD 0.3302
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TLP383(D4GB-TL,E


Transistor Output Optocouplers Photocoupler 80V CTR=600%
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Toshiba 0
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AUD 0.6008
Multiples of: 1

OR-MOC3062


50mA 800V 1.2V Two-way thyristor DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Orient 0
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AUD 0.1506
Multiples of: 6

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