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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LTV-847


Optocoupler; THT; Channels:4; Out: transistor; Uinsul:5kV; Uce:35V LTV847-V DIP16
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Lite-On 5844
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AUD 0.4425
Multiples of: 5

FOD4216


Triac & SCR Output Optocouplers 600V low triggr curr RANDOM PHASE TRIAC
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ON Semiconductor 4845
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AUD 2.5771
Multiples of: 1

FOD050LR2


Fairchild Semiconductor High Speed Optocouplers 1Mbits HS Single Trans Output 3.3V
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ON Semiconductor 4843
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AUD 0.7763
Multiples of: 1

FOD8314R2


Logic Output Opto-couplers 1.0A Output Gate Driver Optocoupler
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ON Semiconductor 4833
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AUD 0.9099
Multiples of: 1

4N26M


Transistor Output Optocouplers PTR 20%, 2.5KV
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Lite-On 4819
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AUD 0.1818
Multiples of: 1

CNY17F-1M


Transistor Output Optocouplers HCEV, 40%, 5KV
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Lite-On 4799
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AUD 0.1942
Multiples of: 1

H11AA1VM


Transistor Output Optocouplers MOT AC IN-TRANS OUT
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ON Semiconductor 4753
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AUD 0.4183
Multiples of: 1

EL3063S1(TA)


Triac Optocouplers SMD-6 RoHS
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Everlight 4520
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AUD 0.2164
Multiples of: 5

H11L2SR2M


Logic Output Optocouplers Optocoupler Schmitt Trigger
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ON Semiconductor 472
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AUD 0.5082
Multiples of: 1

IS357D


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Isocom 43
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AUD 0.1309
Multiples of: 5

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