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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PC123X2YUP1B


Transistor Output Optocouplers OPTOISOLATOR SMD, Optoisolator Transistor Output 5000Vrms 1 Channel
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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.

Sharp 4371
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AUD 0.3354
Multiples of: 1

PS2581L2-A


Transistor Output Optocouplers High Isolation 1-Ch
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CEL 4365
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AUD 0.5712
Multiples of: 1

HCPL2731SDM


High Speed Optocouplers HIGHSPEED TRANSISTOR OPTOCOUPLERS
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ON Semiconductor 4363
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AUD 1.7825
Multiples of: 1

CNY173SM


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 4342
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AUD 0.299
Multiples of: 1

TLP291(BL-TP,SE


Transistor Output Optocouplers X36 PBF Transistor Couplr ACInput 110C
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Toshiba 4340
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AUD 0.1412
Multiples of: 5

TLP383(E(T


Transistor Output Optocouplers
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Toshiba 4340
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AUD 0.2648
Multiples of: 4475

TCMT1110


Transistor Output Optocouplers SOP-4 CPLR 50-600% CTR 5MA VDE
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Vishay 4336
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AUD 0.4712
Multiples of: 1

TCDT1124G


Transistor Output Optocouplers Phototransistor Out Single CTR>160-320%
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Vishay 4328
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AUD 0.3213
Multiples of: 1

PS2802-4-V-F3-A


Transistor Output Optocouplers OPTOCOUPLER 16-PIN SSOP
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Renesas 4327
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AUD 2.5556
Multiples of: 1

LTV-217C


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.2V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 4326
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AUD 0.0748
Multiples of: 10

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