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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ELM440A(TA)-VG


SOP-4-2.54mm Optocouplers - Thyristor Signal Output 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.

Everlight 10838
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AUD 0.7041
Multiples of: 1

SFH6206-2


Transistor Output Optocouplers Phototransistor Out Single CTR 63-200%
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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.

Vishay 10761
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AUD 0.4196
Multiples of: 1

ACPL-217-56BE


Transistor Output Optocouplers 3000Vrms 50% CTR
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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.

Broadcom 10689
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AUD 0.3362
Multiples of: 5

FODM121AR2


Optocoupler; SMD; Channels:1; Out: transistor; 80V; Mini-flat 4pin
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ON Semiconductor 10685
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AUD 0.2703
Multiples of: 1

Hot SFH6286-4


Transistor Output Optocouplers Phototransistor Out Single CTR 160-500%
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Vishay 10673
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AUD 0.6286
Multiples of: 1

PC357A


3.75kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4-208mil-2.54mm 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 10660
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AUD 0.0486
Multiples of: 10

TCMT1104


Transistor Output Optocouplers Phototransistor Out
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Vishay 10509
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AUD 0.253
Multiples of: 1

PC355NJ0000F


Transistor Output Optocouplers Photocoupler DC Input
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Sharp 10466
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AUD 0.2415
Multiples of: 5

TLP521GB-S


5kV 6V 1.4V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 8472
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AUD 0.1086
Multiples of: 5

VO1263AACTR


Photodiode Output Optocouplers Dual Photovoltaic MOSFET Driver
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Vishay 0
6 to 16 Weeks Calender.png

AUD 1.88
Multiples of: 1000

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