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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TLP118(E(T


Optocouplers SMD-5 RoHS
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AUD 0.7683
Multiples of: 1

058399HB


TLP521-4(A) SIN.TRANS. QUAD CHAN
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AUD 0.7695
Multiples of: 1

TLP293-4(V4-LA,E


Toshiba Transistor Output Optocouplers 4ch Transistor opto coupler
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AUD 0.7696
Multiples of: 15

TLP5701(D4,E


Logic Output Optocouplers Photocoupler, Photo IC Output
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AUD 0.7697
Multiples of: 1

VOT8121AM-VT


Triac & SCR Output Optocouplers 800V Vrdm Phototriac SOP-4; UL, cUL, VDE
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Vishay 0
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AUD 0.77
Multiples of: 1

KB817


Transistor Output Optocouplers OPTOCOUPLER DC-IN 1-CH TRANSIS
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AUD 0.7712
Multiples of: 1

TLP627-2(T)


TLP627-2(T) SEMICONDUCTORS
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AUD 0.7722
Multiples of: 1

HCPL-250L-300E


High Speed Optocouplers 1MBd 1Ch 25mA
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AUD 0.7726
Multiples of: 1

6N136(S)(T1)


Optocouplers SMD-8 RoHS
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AUD 0.774
Multiples of: 1

TLP151A(E)


Logic Output Optocouplers Photo-IC 10 to 30V 3750 Vrms 500ns
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AUD 0.7742
Multiples of: 1

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