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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TLP521GB-S


Optocouplers SMD RoHS
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Youtai 87833
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AUD 0.0957
Multiples of: 5

HCNR201-500E


High Linearity Optocouplers 1 Ch 60mW 25mA
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Broadcom 26617
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AUD 1.7726
Multiples of: 1

VOS627A-X001T


Transistor Output Optocouplers CTR 50-600% 5MA
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Vishay 20438
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AUD 0.3646
Multiples of: 1

S2S3LA0F


Triac & SCR Output Optocouplers 5mA Ift 600V nonZC Phototriac 3Kpcs
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Sharp 20250
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AUD 0.9075
Multiples of: 1

PS2802-4-A


Transistor Output Optocouplers Hi-Iso Darling 4-Ch
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CEL 20042
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AUD 6.2769
Multiples of: 1

AT1018-CuH-L


5kV 50mA 300mV@1mA,10mA 1 6V 1.2V DC LSOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 19293
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AUD 0.0512
Multiples of: 10

TLP2355(TPL,E


Toshiba High Speed Optocouplers Hi Spd Photocoupler 3750 Vrms
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Toshiba 17641
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AUD 0.4477
Multiples of: 1

ELM3083(TA)-V


Triac & SCR Output Optocouplers Triac Driver SMD (Zero-Crossing)
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Everlight 16358
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AUD 0.4667
Multiples of: 1

HTLP181GB-S


SOP-4 Transistor Output Optocoupler ROHS
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HXY MOS 14967
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AUD 0.0832
Multiples of: 5

6N137S


SOP-8 Optocouplers - Logic Output ROHS
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Youtai 11358
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AUD 0.2366
Multiples of: 5

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