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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KPC354NT0B


Optocouplers SOP-4 RoHS
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Cosmo 2910
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AUD 0.2059
Multiples of: 5

FODM2701


Transistor Output Optocouplers Phototransistor Output Optocoupler
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ON Semiconductor 2910
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AUD 0.2144
Multiples of: 3000

HMHA281


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 2910
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AUD 0.2536
Multiples of: 3000

Hot 4N35TVM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 2910
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AUD 0.2724
Multiples of: 3000

CNY172VM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 2910
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AUD 0.2996
Multiples of: 1000

MOC206M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:2.5kV; SO8
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ON Semiconductor 2910
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AUD 0.3006
Multiples of: 3000

ATM3023-CuH-SE


100mA 60mA 400V 1.23V Two-way thyristor SOP-4 Triac, SCR Output Optoisolators ROHS
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AOTE 2910
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AUD 0.3045
Multiples of: 5

MOC213M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:2.5kV; SO8
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ON Semiconductor 2910
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AUD 0.3056
Multiples of: 3000

TLP383(D4BLLTL,E


Transistor Output Optocouplers Photocoupler, photo- transistor output
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Toshiba 2910
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AUD 0.3152
Multiples of: 1

TCMT1117


Transistor Output Optocouplers Phototransistor 80-160% CTR 5mA VDE
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Vishay 2910
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AUD 0.3219
Multiples of: 1

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