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-W340-000E


Logic Output Opto-couplers Gate Drive Opto
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Broadcom 347
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AUD 2.62
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CPC1302G


IXYS Integrated Circuits Transistor Output Optocouplers Dual Optocoupler High-Voltage
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IXYS 346
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AUD 2.2157
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SFH6206-2X001T


Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 345
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AUD 0.506
Multiples of: 1

HCPL-0453-000E


Optocoupler; THT; Channels:1; Out: transistor; 3.75kV; 1Mbps; DIP8
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Broadcom 345
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AUD 1.86
Multiples of: 1

LTV-814S-TA1-B


SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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Lite-On 344
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AUD 0.1284
Multiples of: 5

LTV-3120


Logic Output Opto-couplers 2.5AIGBT Gate Drive 8Pin Dip Optocoupler
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Lite-On 344
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AUD 1.2524
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Hot PVI5080NPBF


Photodiode Output Optocouplers 1 Form A Photo Voltaic Isolator
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Infineon 344
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AUD 4.84
Multiples of: 1

MOC3032VM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin250V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 342
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AUD 0.5484
Multiples of: 1

CNY17F1SR2M


Transistor Output Optocouplers Optocoupler Phototrans No Base
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ON Semiconductor 341
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AUD 0.28
Multiples of: 1

VOM617A-4T


Transistor Output Optocouplers Phototransistor Out CTR 160-320% 5mA
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Vishay 265
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AUD 0.2059
Multiples of: 1

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