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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HCPL-814-560E


Transistor Output Optocouplers 5000 Vrms 20% CTR
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AUD 0.3157
Multiples of: 1

TLP290(GB,SE(T


Optocoupler AC-IN 1-CH Transistor DC-OUT 4-Pin SO T/R
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Toshiba 0
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AUD 0.3167
Multiples of: 175

TLP521-2GB


DIP-8 Optocouplers - Phototransistor Output ROHS
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Isocom 0
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AUD 0.3206
Multiples of: 5

4N25(SHORT,F)


Transistor Output Optocouplers TR JEDEC EQUIV
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AUD 0.3214
Multiples of: 1500

EL1114(TA)-VG


Transistor Output Optocouplers Optocouplers
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Everlight 0
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AUD 0.3216
Multiples of: 3000

TLP383(D4YH-TL,E(T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:80V
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AUD 0.3224
Multiples of: 3000

PC3H4AJ0000F


Optocoupler AC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R
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Sharp 0
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AUD 0.3231
Multiples of: 3000

TLP620GB


DIP-4 Optocouplers - Phototransistor Output ROHS
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Isocom 0
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AUD 0.324
Multiples of: 5

PS2501L-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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AUD 0.324
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TLP785F(F


Transistor Output Optocouplers 80v 5000vrms GaAs 60mA 50 to 600
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AUD 0.3244
Multiples of: 1

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