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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LOC112P


High Linearity Optocouplers Linear Optocoupler
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IXYS 1
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AUD 3.9556
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HCNR200-300E


Optoisolator Photovoltaic, Linearized Output 5000Vrms 1 Channel 8-DIP Gull Wing
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Broadcom 1
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AUD 4.7778
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300680


High Speed Optocouplers 3.0V - 5.5V 15MBd
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TE Connectivity 1
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AUD 103.4921
Multiples of: 1

HCPL-6750


Logic Output Opto-couplers 4Ch 1500%CTR Hermetically sealed
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Broadcom 1
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AUD 179.7111
Multiples of: 1

PS9307L2-E3-AX


High Speed Optocouplers 0.6A 1GBTGate Coupler, long creepage, 125C, Pb-Free
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CEL 0
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AUD 0.0014
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TPC816S1C RAG


Transistor Output Optocouplers Photocoupler DC input 70V 50mA
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Taiwan Semiconductor 0
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AUD 0.0123
Multiples of: 1

PS2561L-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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CEL 0
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AUD 0.0155
Multiples of: 1

FOC-817D-F


5kV 100mV DIP-4 Optocouplers - Phototransistor Output ROHS
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NationStar 0
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AUD 0.0285
Multiples of: 10

FOC-817C-F


5kV 100mV DIP-4 Optocouplers - Phototransistor Output ROHS
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NationStar 0
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AUD 0.0293
Multiples of: 10

FOC-817B-F


5kV 100mV DIP-4 Optocouplers - Phototransistor Output ROHS
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NationStar 0
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AUD 0.0294
Multiples of: 10

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