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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PC817X4NSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS DIP, Optoisolator Transistor Output 1 Channel
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Sharp 1069
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AUD 0.32
Multiples of: 1

TCDT1102


Transistor Output Optocouplers Phototransistor Out
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Vishay 1067
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AUD 0.2986
Multiples of: 1

TLP293(Y-TPL,E


Toshiba Transistor Output Optocouplers X36 PBF Transistor Optocoupler AC 125C
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Toshiba 1067
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AUD 0.3047
Multiples of: 5

H11AV1M


Transistor Output Optocouplers 0.4" Optocoupler Phototransistor
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ON Semiconductor 1067
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AUD 0.3159
Multiples of: 1

4N37


Transistor Output Optocouplers Phototransistor Out
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Vishay 1065
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AUD 0.2483
Multiples of: 1

SFH615A-3X017


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 1063
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AUD 0.462
Multiples of: 1

LTV-826


Optocoupler; THT; Channels:2; Out: transistor; Uinsul:5kV; Uce:80V
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Lite-On 1062
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AUD 0.2247
Multiples of: 1

TLP183(GR-TPL.E(T


Optocoupler; SMD; Ch: 1; OUT: transistor; Uinsul: 3.75kV; Uce: 80V
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Toshiba 1062
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AUD 0.338
Multiples of: 1

TLP291(GR,SE(T


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin SO T/R
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Toshiba 1062
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AUD 0.4234
Multiples of: 1

HCPL-2601-000E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 1059
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AUD 1.2754
Multiples of: 1

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