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Best Optocouplers of 2026
Best Choice
1
PENGLINPENGLIN 5PCS 3-5V Optocoupler Isolation Board | Optoelectronic Isolator EL817 PC817, 1 Channel Module Converter
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
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
9.7
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.
3
BOJACKBOJACK PC817 OPTOCOUPLER DIP installation PC817C 2.54mm pitch 4-pin DIP-4 (Pack of 50 pcs)
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.
4
DONGKERDC 3.3V 5V 8CH Optocoupler Isolation Board | PNP NPN Low High Level Output Signal Converter
9.3
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.
Value for Money
5
YoumileYoumile 50 pcs PC817 Transistor Output Optocoupler PC817C DIP-4 2.54mm Pitch + 50 pcs Round DIP IC Chip Socket 2.54mm Dual Row 4-pin for DIY Optocoupler testing, repair and replacement
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
YoumileYoumile 5PCS PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module with 24AWG Wire
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.
7
AOICRIEAOICRIE 6pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail Holder PLC Drive Motor Board
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.
8
YoumileYoumile 2PCS PC817 4 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module with 24AWG Wire
8.6
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
PENGLINPENGLIN 5PCS PC817 3.6-30V Optocoupler | Isolation Board Optoelectronic Isolator, 2 Channel Module Converter
8.4
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
Walfront8 Channel Optocoupler Isolation Module PLC Converter Board Opto Isolator Module 3.6-30V
8.3
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.
