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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MCT62


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5.3kV; DIP8
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ON Semiconductor 5820
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AUD 0.6076
Multiples of: 1

TCMT1109


Transistor Output Optocouplers Phototransistor Out
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Vishay 2910
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AUD 0.1987
Multiples of: 3000

FODM217CR2V


Optoisolator Transistor Output 3750Vrms 1 Channel 4-SOP
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ON Semiconductor 2910
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AUD 0.2979
Multiples of: 1

TCLT1102


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 5-Pin SOP
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Vishay 2910
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AUD 0.329
Multiples of: 3000

TLP385(GB,E(T


Transistor Output Optocouplers
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Toshiba 2910
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AUD 0.3921
Multiples of: 3000

TCLT1014


Transistor Output Optocouplers Phototransistor 160-320% CTR 10mA
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Vishay 2910
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AUD 0.45
Multiples of: 1

FODM3012_NF098


Triac & SCR Output Optocouplers 250V Random Phase Triac Driver 5mA
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ON Semiconductor 2910
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AUD 0.6207
Multiples of: 1

MOC3020M


Triac & SCR Output Optocouplers DIP-6 NON-ZERO TRIAC
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ON Semiconductor 1940
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AUD 0.3343
Multiples of: 1000

CNY17F-2X007T


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 1940
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AUD 0.3825
Multiples of: 1000

H11A1SR2VM


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1309
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AUD 0.3362
Multiples of: 1

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