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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K814P


Transistor Output Optocouplers Phototransistor Out Single CTR >20%
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AUD 0.3121
Multiples of: 1

TLP291(GB.E(O


Transistor Output Optocouplers
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AUD 0.3123
Multiples of: 1

TLP183(BL-TPL,E


Toshiba Transistor Output Optocouplers X36 PBF Trans Opto couplr 110C3750Vrms
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AUD 0.252
Multiples of: 3000

4N27M


DIP-6 Transistor Output Optocoupler ROHS
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AUD 0.3139
Multiples of: 5

VO618A-4X009T


Optocoupler; SMD; Ch: 1; OUT: transistor; Uinsul: 5.3kV; Uce: 80V
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AUD 0.3145
Multiples of: 1

TLP291(TP,E)


Transistor Output Optocouplers Photo-IC 50mA IF 3750 Vrms 80V VCEO
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AUD 0.315
Multiples of: 2500

PS2561-1-L-A


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP Magazine
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AUD 0.3151
Multiples of: 1

6N137(SL)(T1)


10Mbit/s 75ns 10kV/us DC SOP-8 Optocouplers - Logic Output ROHS
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AUD 0.3154
Multiples of: 1

PS2561L1-1-V-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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AUD 0.3156
Multiples of: 1

PS2561L1-1-V-Q-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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AUD 0.3156
Multiples of: 1

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