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Best Optocouplers of 2025
Best Choice
1
DONGKEROptocoupler Isolation Board, 8CH Optocoupler Isolation Module DC 3.3V 5V 8-Channel PNP NPN Low High Level Output Signal Converter
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9.9
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 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
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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.
3
JZKJZK 50pcs PC817C optocoupler, 2.54mm DIP-4 4 pins mounting photo coupler, high density mounting type optocouplers IC, opto coupler, photoelectric coupler
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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.
4
BOJACKBOJACK PC817 OPTOCOUPLER DIP installation PC817C 2.54mm pitch 4-pin DIP-4 (Pack of 50 pcs)
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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.
Value for Money
5
DONGKER4 Bit Optocoupler Isolator, PLC Signal Level Voltage Converter Board Module (24V to 3.3V)
11% Off Free Shipping
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.
6
HailegeHailege 2pcs ADUM1201 Dual Channel Digital Magnetic Isolator Replace Optocouplers for iCoupler
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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.
7
GikfunGikfun PC817C PC817 Dip-4 Optocoupler for Arduino DIY (Pack of 20) AE1143
20% Off Free Shipping
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.
8
JZKJZK PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC 817
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9.0
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.
9
DollaTekDollaTek AC 220V Microcontroller TTL Level Optocoupler Isolation Module SCM Testing Board for PLC 1 Channel
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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.
10
YoumileYoumile 5PCS PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module with 24AWG Wire
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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.
