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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TLP5754(TP,E(T


Optocouplers SOIC-6 RoHS
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Toshiba 27824
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AUD 0.6801
Multiples of: 1

VOS618A-3T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 100-200% IF=1MA
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Vishay 23048
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AUD 0.2514
Multiples of: 1

VO610A-3


Transistor Output Optocouplers Phototransistor Out CTR 100-200%
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Vishay 12777
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AUD 0.1763
Multiples of: 1

PC817B


DIP-4 Optocouplers - Phototransistor Output ROHS
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Youtai 12726
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AUD 0.0302
Multiples of: 20

LTV-815S


Optocoupler; SMD; Channels:1; Out: Darlington; Uinsul:5kV; Uce:35V
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Lite-On 12552
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AUD 0.1911
Multiples of: 1

SFH6186-2T


Transistor Output Optocouplers Phototransistor Out Single CTR 63-125%
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Vishay 12546
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AUD 0.5056
Multiples of: 1

4N25


Optoisolator Transistor with Base Output 5000Vrms 1 Channel 6-DIP
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Vishay 12494
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AUD 0.3248
Multiples of: 1

LTV816D


Optocouplers DIP-4 RoHS
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Youtai 12319
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AUD 0.0544
Multiples of: 10

FODM121BR2


Transistor Output Optocouplers Phototrans Ouput MFP Input
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ON Semiconductor 11515
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AUD 0.2479
Multiples of: 1

6N136SDM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:20V
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ON Semiconductor 10254
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AUD 0.8001
Multiples of: 1

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