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In order to obtain the Best Optoisolators (2021), our dynamic platforms and gurus have taken many criteria into account such as product usability, user-friendly features and give customer satisfaction, deficiency-free, conformity of standards, worthiness for money, service requirements, level of design standards, quality conformance to user requirements and regulations, protection and safety, actual customer satisfaction and numerous others. It is of great importance to note that each user has different needs so please consider the below list as a guideline and not as a gospel. In any case, in the below list you can absolutely find the overall best ones regardless of your requirements.

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Best Optoisolators

Best Choice No. 1
(Pack of 100 Pieces) MCIGICM pc817 optocoupler Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP
  • (Pack of 100 Pieces) pc817c Optoisolator Transistor Output 5000Vrms 1 Channel 4-DIP
SaleBest Choice No. 2
DAOKI 5Pcs Expansion Board TLP281 4-Channel 4 CH Opto-Isolator IC Module for Arduino Expansion Board High and Low Level Optocoupler Isolation
  • 【Four LEDs】This IC has four LEDs and four photodiodes built-in.
  • 【Advantages】This allows the low-voltage side to control a high voltage side
  • 【Outlet】Outlet OUT1 / OUT2 / OUT3 / OUT4 output current is equal to the largest HVCC / 5.1K, Maximum absorption current 500mA
  • 【Input】Input: IN1 / IN2 / IN3 / IN4, SCM or for Arduino IO port, GND with single-chip microcomputer or for Arduino board GND connection.
  • 【PCB Size】25*24mm/0.98*0.94
Best Choice No. 3
Comimark 2Pcs Tlp281 4-Channel Opto-Isolator Ic Module for Expansion Board C4K2
  • Output: OUT1 / OUT2 / OUT3 / OUT4
  • Output: HVCC: Connection is control of high voltage anode,
  • HGND connection is control of high voltage anode
  • Package Included: 2 x 4-Channel Module Expansion Board (If the number of products received is incorrect, please contact us . we will refund or give you a replacement)
  • We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.
Best Choice No. 4
Best Choice No. 5
FAYLEZ 10 PCS 4N25 6 Pin Optoisolators Transistor DIP
  • 4N25 6Pin Optoisolators Transistor DIP
  • Current Transfer Ratio (Min): 20% @ 10mA
  • Voltage – Output: 30V Current – DC Forward (If): 60mA
  • Voltage – Isolation: 7500Vpk
  • 10X 4N25
Best Choice No. 6
DBParts New for 20PCS 4N25 6Pin Optoisolators Transistor DIP
  • Brand New
  • Package Include: 20Pcs
  • DIP-6
  • High Quality & Six Months Warranty
Best Choice No. 7
Best Choice No. 8
Best Choice No. 9
Optical Isolator Module, 24V Voltage Level Current Converter Module 80KHz 1-Channel Optocoupler Photoelectric Optoisolator 12V PNP NPN Signal Converter PC817 Optocoupler Optoisolator
  • ❤Optocoupler Isolation Board Voltage more than 3000V . Input Current:50MA(MAX). Operating Current:more than 1MA. Output Maximum Current:50MA (when input voltage is within the range of 15-20MA)
  • ❤EL817 photoelectric isolator, SCM output level can be used to isolating,anti-interference and protect SCM some circuit when driving motor
  • ❤Isolator High-Level Trigger 80KHz, SCM outpput level is low,and driven module voltage is high
  • ❤Can be applied to inverter,which can invert output the input signal, High Voltage Testing, Current Amplification
  • ❤SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied.
Best Choice No. 10
Anfukone MOC3061 DIP-6 Optoisolator 10PCS
  • Product name: MOC3061 DIP-6 Optoisolator
  • Simplifies Logic Control of 115/240 Vac power
  • Zero Voltage Crossing
  • dv/dt of 1500 V/µs Typical, 600 V/µs Guaranteed
  • They are designed for use with a triac in the interface of logic systems to equipment powered from 115/240 Vac lines, such as solid–state relays, industrial controls, motors, solenoids and consumer appliances,etc.

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