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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4N32


Optoisolator Darlington with Base Output 5300Vrms 1 Channel 6-DIP
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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.

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AUD 0.3663
Multiples of: 1

TCET1110


Transistor Output Optocouplers Phototransistor Out Single CTR > 50-600%
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AUD 0.3665
Multiples of: 1

HCPL-0701#500


Optocoupler DC-IN 1-CH Darlington With Base DC-OUT 8-Pin SOIC T/R
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AUD 0.3666
Multiples of: 1

6N136SMT/R


Optocouplers SMD-8 RoHS
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AUD 0.3666
Multiples of: 5

PS2705A-1-F3-L-A


Transistor Output Optocouplers SGL Tr AC Couplr
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CEL 0
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AUD 0.3672
Multiples of: 3500

LTV-851-CU


300V 5000V 4us@2mA,100Ω -25℃~+100℃ 50mA 5us@2mA,100Ω 0.1V@1mA,20mA 1 6V 1.2V Phototransistor DC DIP-4 Optocouplers - Phototransistor Output ROHS
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AUD 0.3677
Multiples of: 1

HCPL-817-00DE


Transistor Output Optocouplers 5000 Vrms 50mA
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AUD 0.3682
Multiples of: 1

EL6N137


DIP Optocouplers DIP-8 RoHS
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AUD 0.3687
Multiples of: 1

EL3053S(TA)


Triac & SCR Output Optocouplers 600PBV 5000Vrms -55 to +100 Op Temp
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AUD 0.7575
Multiples of: 1000

VO213AT


Vishay Semiconductors Transistor Output Optocouplers Optocoupler SOIC8
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AUD 0.3699
Multiples of: 1

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