Best Optoisolators In September 2026

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Choosing the Best Optoisolatorsmay be challenging as you have to screen through the large amount of similar products available on the market. Don’t worry though; we have got our hands on 10 trendy and top rated products and below is our recommendation.

To help you in your search, we have completed this list of the Best Optoisolators.

Top Rated Best Optoisolators Of 2026

Rank	Product Name	Score
1	PC817 1-Channel Type High Density Mounting Type Photocoupler Pack of 10 Buy Now	9.7 Buy Now
2	Opto-Isolator Buy Now	9.5 Buy Now
3	uxcell a12080300ux0453 2.54mm Pitch 4 Pins DIP Mounting Photo Coupler PC817 Pack of Buy Now	9.1 Buy Now
4	Mixed - Signal Products Data Book: Power Supply Circuits: Voltage References, Voltage Regulators Buy Now	8.8 Buy Now
5	Analog Circuits Cookbook Buy Now	8.6 Buy Now

1. PC817 1-Channel Type High Density Mounting Type Photocoupler Pack of 10

• Pin pitch: 2.54mm
• Dip-4 4 pins mounting photo coupler for arduino
• 100% brand new, no-hassle refund if you are not 100% satisfied!
• Optocoupler output type: optical transistor
• Isolation voltage: 5kv

2. Opto-Isolator

3. uxcell a12080300ux0453 2.54mm Pitch 4 Pins DIP Mounting Photo Coupler PC817 Pack of

• Material : plastic, metal,pin number : 4
• Weight : 3g
• Product name : photo coupler,model : pc817
• Size : 8 x 4 x 7mm/0.3" x 0.2" x 0.3" (l*w*h),pin pitch : 2.54mm/0.1"
• Package content : 10 x photo coupler

4. Mixed - Signal Products Data Book: Power Supply Circuits: Voltage References, Voltage Regulators

5. Analog Circuits Cookbook