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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HCNR200-000E


High Linearity Optocouplers 1 Ch 60mW 25mA
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Broadcom 18773
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AUD 1.3069
Multiples of: 1

PC817X2NSZ9F


Transistor Output Optocouplers Photocoupler
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Sharp 18769
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AUD 0.0772
Multiples of: 5

KPC357NT0DTLD


Optocouplers SOP-4_2.54 RoHS
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Cosmo 18759
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AUD 0.0919
Multiples of: 5

VO617A-4X017T


Transistor Output Optocouplers H. Relblty 5300 Vrms 160-320% CTR, VDE
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Vishay 18720
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AUD 0.1872
Multiples of: 1

TLP785(GR-TP6,F)


Toshiba Transistor Output Optocouplers Photo-IC 60mA 80V 5000 Vrms 8000 Vpk
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Toshiba 18716
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AUD 0.1179
Multiples of: 5

LTV-155E


MOSFET Output Optocouplers SOP-5 IGBT Driver Output
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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.

Lite-On 18641
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AUD 0.4338
Multiples of: 1

TLP785(BLL-TP6,F(C


SOP-4-2.54mm Optocouplers - Phototransistor Output ROHS
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Toshiba 18483
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AUD 0.1912
Multiples of: 5

Hot PS2801-4-F3


Transistor Output Optocouplers OPTOCOUPLER 16-PIN SSOP
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Renesas 18260
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AUD 0.888
Multiples of: 1

EL817C


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC DIP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 18255
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AUD 0.0373
Multiples of: 20

TLP785(TELS-T6,F(C


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP T/R
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Toshiba 18236
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AUD 0.104
Multiples of: 5

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