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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AT3H7D-CuH-S


3.75kV 50mA 200mV@1mA,10mA 1 6V 1.4V DC SSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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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.

AOTE 659
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AUD 0.0559
Multiples of: 10

LTV-814-B


DIP-4 Optocouplers - Phototransistor Output ROHS
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Lite-On 659
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AUD 0.1267
Multiples of: 5

FOD2711AS


Transistor Output Optocouplers Isolated Error Amp Optocoupler
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ON Semiconductor 656
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AUD 0.9377
Multiples of: 1

ACPL-M43T-500E


Optoisolator Transistor Output 4000Vrms 1 Channel 5-SO
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Broadcom 656
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AUD 1.64
Multiples of: 1

ACPL-P346-560E


Logic Output Opto-couplers OPTOCOUPLER GATE DRV, T/R+VDE+LF
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Broadcom 656
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AUD 3.8386
Multiples of: 1

PS2805-1-A


Transistor Output Optocouplers Optocoupler 4-pin SSOP
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Renesas 655
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AUD 0.8517
Multiples of: 1

SFH617A-3X016


Transistor Output Optocouplers RECOMMENDED ALT 78-VO617A-3X016
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Vishay 653
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AUD 0.408
Multiples of: 1

HCPL-817-56CE


Transistor Output Optocouplers 5000 Vrms 50mA
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Broadcom 653
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AUD 0.538
Multiples of: 1

CNY17-4-300E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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Broadcom 652
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AUD 0.766
Multiples of: 1

HCPL-J312-300E


Logic Output Opto-couplers 2.0A IGBT Gate Drive
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Broadcom 651
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AUD 3.76
Multiples of: 1

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