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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HCPL-181-06DE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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Broadcom 330
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AUD 0.6822
Multiples of: 1

SFH6345-X019T


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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Vishay 330
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AUD 1.485
Multiples of: 1

H11F3SVM


MOSFET Output Optocouplers FET Bilateral analog
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ON Semiconductor 330
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AUD 2.227
Multiples of: 1

CYTLP521-1(GB)


Optocouplers DIP-4 RoHS
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OCIC 329
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AUD 0.1074
Multiples of: 5

FOD3184


Logic Output Opto-couplers 3A High Speed MOSFET Gate Driver Opto
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ON Semiconductor 329
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AUD 1.7115
Multiples of: 1

PS8502L3-AX


CEL High Speed Optocouplers Hi-Speed Analog Out
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CEL 329
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AUD 2.3623
Multiples of: 1

FOD3120


Optocoupler; THT; Channels:1; Out: transistor; 5kV; DIP8; 35kV/μs
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ON Semiconductor 327
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AUD 0.9097
Multiples of: 1

VO3063-X007T


Triac & SCR Output Optocouplers Zero Crossing Photo Triac 600V 5mA
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Vishay 326
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AUD 0.6321
Multiples of: 1

ACPL-M21L-000E


Logic Output Optoisolator 5MBd Push-Pull, Totem Pole 3750Vrms 1 Channel 25kV/µs CMTI 5-SO
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Broadcom 325
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AUD 3.9556
Multiples of: 1

6N139-300E


High Speed Optocouplers 100 KBd 2500Vrms
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Broadcom 323
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AUD 1.8388
Multiples of: 1

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