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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VO618A


Transistor Output Optocouplers Phototransistor Out CTR 50-600%
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Vishay 2257
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AUD 0.1729
Multiples of: 1

PS2705-1-F3-A


Transistor Output Optocouplers OPTOCOUPLER 4-PIN SOP
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Renesas 2255
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AUD 0.3797
Multiples of: 5

TLP185(GRH-TL,SE


Toshiba Transistor Output Optocouplers X36 PBF Trans Opto couplr 110C3750Vrms
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Toshiba 2250
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AUD 0.2741
Multiples of: 5

SFH610A-5


Transistor Output Optocouplers H. Relblty 5300 Vrms 250-500% CTR
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Vishay 2249
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AUD 0.6185
Multiples of: 1

VOM618A-1X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 40-80% 1mA VDE
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Vishay 2247
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AUD 0.2357
Multiples of: 1

KMOC3052


Triac Optocouplers DIP-5 RoHS
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Cosmo 2247
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AUD 0.2714
Multiples of: 5

VO2631


High Speed Optocouplers 10Mbd Open Collector Dual Channel
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Vishay 2247
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AUD 2.0952
Multiples of: 1

MOC3041VM


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 2242
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AUD 0.6006
Multiples of: 1

4N25SR2VM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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ON Semiconductor 2240
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AUD 0.337
Multiples of: 1

PC817X2NIP1B


Transistor Output Optocouplers Photocoupler
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Sharp 2029
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AUD 0.2951
Multiples of: 1

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