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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MOC213M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:2.5kV; SO8
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ON Semiconductor 2822
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AUD 0.3497
Multiples of: 1

4N37


Transistor Output Optocouplers Phototransistor Out
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Vishay 2821
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AUD 0.2545
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SFH6286-3T


Transistor Output Optocouplers Phototransistor Out Single CTR 100-320%
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Vishay 2821
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AUD 0.6519
Multiples of: 1

TLP385(D4GR-TL,E


Transistor Output Optocouplers GaAs Infrared and Photo-Transistor
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Toshiba 2820
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AUD 0.3955
Multiples of: 1

VO2223B-X007T


Triac & SCR Output Optocouplers 1A, 600V PhotoTRIAC SMD-8, UL, cUL
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Vishay 2814
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AUD 1.4504
Multiples of: 1

VOS627A-2X001T


Transistor Output Optocouplers AC Input, Phtotrnstr 63-125%CTR VDE
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Vishay 2813
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AUD 0.6
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FODM453R2


High Speed Optocouplers HS/High CMR Trans Output Optocoupler
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ON Semiconductor 2813
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AUD 1.4415
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HCPL0700V


High Speed Optocouplers Hi Gain Optocoupler 1Ch LC Darlington
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ON Semiconductor 2813
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AUD 1.7869
Multiples of: 1

VO617A-2X007T


Transistor Output Optocouplers H. Relblty 5300 Vrms 63-125% CTR
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Vishay 2810
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AUD 0.3003
Multiples of: 1

HCPL-0201-500E


High Speed Optocouplers 5MBd 1Ch 1.6mA
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Broadcom 2807
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AUD 1.4163
Multiples of: 1

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