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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TLP290-4(E(T


Optocoupler AC-IN 4-CH Transistor DC-OUT 16-Pin SO
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Toshiba 485
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AUD 2.0222
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HCNR200-550E


Optocoupler DC-IN 1-CH Linear Photovoltaic DC-OUT 8-Pin PDIP W SMD T/R
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Broadcom 485
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AUD 2.0238
Multiples of: 1

TLP240GA(LF5.F(O


Optocoupler; SMD; Channels:1; Out: MOSFET; 5kV; Gull wing 4
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Toshiba 485
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AUD 2.2033
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TLP521-4(GB,F)


DIP-16 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 485
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AUD 2.5151
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HCPL-3020-000E


Logic Output Opto-couplers 0.2A IGBT Gate Drive
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Broadcom 485
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AUD 2.9778
Multiples of: 1

TLP3554(F)


MOSFET Output Optocouplers Photorelay MOSFET Output
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Toshiba 485
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AUD 3.2
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ACPL-P346-500E


Logic Output Opto-couplers OPTOCOUPLER GATE DRV, TR+LF
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Broadcom 485
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AUD 3.651
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FODM2701R4


Optoisolator Transistor Output 3750Vrms 1 Channel 4-SMD
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ON Semiconductor 484
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AUD 0.4724
Multiples of: 1

ISP521-4XSM


Optocoupler; SMD; Channels:4; Out: transistor; Uinsul:5.3kV
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Isocom 484
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AUD 1.0991
Multiples of: 1

FOD2742B


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:2.5kV; DIP8
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ON Semiconductor 484
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AUD 1.5333
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