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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ATM3083-CuH-SE


100mA 60mA 800V 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 26481
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AUD 0.1556
Multiples of: 5

PS2501AL-1-A


Transistor Output Optocouplers Optocoupler 4-pin DIP
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Renesas 6311
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AUD 0.3538
Multiples of: 1

Hot 4N26M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; DIP6
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ON Semiconductor 6303
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AUD 0.2304
Multiples of: 1

TLP351H(F)


Logic Output Optocouplers Photo-IC 3750 Vrms 35V VCC 5mA 30V
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Toshiba 6291
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AUD 0.8171
Multiples of: 1

APV1121SJ


Photodiode Output Optocouplers
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Panasonic 6290
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AUD 2.3705
Multiples of: 1

TCET1103


Transistor Output Optocouplers Phototransistor Out
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Vishay 6285
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AUD 0.2357
Multiples of: 1

SFH620AGB


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 100-600%
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Vishay 6277
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AUD 0.471
Multiples of: 1

4N35SM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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ON Semiconductor 6226
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AUD 0.2268
Multiples of: 50

PS2833-4-A


Transistor Output Optocouplers Hi-Iso Col-Emit 4-Ch
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CEL 6078
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AUD 6.38
Multiples of: 1

PS2702-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 2189
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AUD 0.4746
Multiples of: 1

First...7172737475...

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