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Best Optoisolators of 2026
Best Choice
1
YoumileYoumile 6 pcs 1-Channel 12V Optocoupler Isolation Module, Opto-Isolator Signal Converter Board with Screw Terminals, LED Indicator, High/Low Level Trigger,with Screwdriver for Arduino PLC MCU
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9.8
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
2
DONGKEROptocoupler Isolation Module, 8CH Optocoupler Isolation Board DC 12V-24V 8-Channel NPN Low High Level Output Signal Converter
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9.6
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Value for Money
3
JZKJZK PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC 817
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9.5
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
4
Be In Your MindBe In Your Mind 2Pcs Optical Isolator Module Voltage to Current Converter Module Input Optoisolator 12V 80KHz 1 Channel PC817 EL817 PLC Processors
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9.4
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
5
YoumileYoumile 5PACK Expansion Board TLP281 4-Channel 4 CH Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation
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9.2
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
6
XPOOPXPOOP 100 Pcs Optocoupler, PC817C Optocoupler 4 Pin Mounting Optocoupler 2.5mm Pitch Coupler, Optocoupler PC817C, Optocoupler DIP-4 PC817C, High Density Mounting Type Optocoupler IC
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9.1
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
7
The Lord of the ToolsThe Lord of the Tools 4x 1-Channel PC817 Optocoupler Isolation Module (3-5V) Suitable for Photoelectric Isolator Signal Ssolation
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9.0
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
8
GenericPC817 Optoisolator Module 2-Channel 3.6-30V PCB Mount for Arduino
8.9
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
9
FasiziFasizi 5pcs PC817 4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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8.8
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
10
DONGKEROptical Isolator Module,4-Channel 5V to 24V Optocoupler Photoelectric Optoisolator for Signal Isolation Single-chip Microcomputer
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8.7
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
