Advertising Disclosure
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Best Choice EMSea 
EMSea 2Pcs Optical Isolator Module Voltage to Current Converter Module Input Optoisolator 12V 80KHz 1 Channel PC817 EL81 It is made of premium material, which is not easy to wear and comfortable to touch.YINETTECH 
YINETTECH 4Pcs VTL5C3 Opto-Coupler VTL5C DIP-4 Audio Opto-Coupler (Vactrols) Linear Opto-Isolator Suitable for Many Guit Applications: Commonly used in tremolo and vibrato circuits within guitar pedals and amplifiers to create distinctive moBest Value Gikfun 
Gikfun OPTOCOUPLER DIP-4 PC817C PC817 for Arduino Diy (Pack of 20pcs) AE1143 Gikfun Packing 20pcs OPTOCOUPLER DIP-4 PC817C PC817Mingzhe 
SSR 40AA 40A Solid State Relay Module Dual-Way Input 90- Output 24-480V AC Opto-Isolator LED Display Plastic+Metal [ Design] : Made of plastic and metal, ensures performance in various environments.Beufee 
Optocoupler, 4 Channel Optocoupler Isolation Board Optocoupler Isolation Module Optocoupler PC 817 Optoisolator Module PRACTICAL: Optocoupler can realize 3.3V or 5V to control the interface of 3.6 to 24V voltage. After the control terminalDONGKER 
Optocoupler Isolation Board, Signal Converter Module Voltage Level Current Voltage Converter Module 80KHz 1-Channel Opto ❤Isolation Voltage:more than 3000V . Input Current:50MA(MAX). Operating Current:more than 1MA. Output Maximum Current:50Comimark 
Comimark 2Pcs Tlp281 4-Channel Opto-Isolator Ic Module for Expansion Board C4K2 Output: OUT1 / OUT2 / OUT3 / OUT4HOBBYIN HOBBYIN 5PCS 1 Channel Optocoupler Isolation Module,DC12V Optocoupler Isolation Module EL817 Opto PNP NPN Signal Convert Reliable Optocoupler Isolation: The 5 PCS Optocoupler Isolation Board is designed to provide reliable signal isolation aMachineMid 10pcs/lot PC827 SOP-8 SOP optoisolator photoelectric Coupling 10pcs/lot PC827 SOP-8 SOP optoisolator photoelectric couplingGeneric 10pcs 4N28 DIP-6 FSC Optoisolators Transistor Package contents:4N28 DIP-6 (10pieces )Reland Sun Reland Sun 10pcs PC827 SOP-8 EL827 TLV827 TLV-827 SOP optoisolator photoelectric coupling 10pcs PC827 SOP-8 EL827 TLV827 TLV-827 SOP optoisolator photoelectric couplingGeneric 5PCS/LOT AQH3223 Optocoupler DIP-7 Optoisolator Optocoupler AQH3223 DIP-7 （5pieces）Rakstore Rakstore 4pcs TLP281 4-Channel Opto-Isolator IC Module Expansion Board High and Low Level Optocoupler Isolation Function: Use low level to control high level. For example, use the 3V or 5V voltage of the microcontroller to control tXYZOOM XYWHPGV Dip 4 Pin Sharp PC817 Optocoupler Photocoupler Optoisolator 20pcs(80148 46ba8 08926 3aa78 d5d0d 26686 SioNS TLP109 Light Coupling into SOP5 optoisolator Coupling 10pieces TLP109 Light Coupling into SOP5 optoisolator Coupling 10piecesUIOTEC 10 PCS 4N25 6Pin Optoisolators Transistor DIP Generic Set of 10 SOP-5 ELM611 ELM611(TA) opto-Isolator optocoupler SMD5 high Package contents:ELM611 SOP-5（10pieces）UIOTEC MOC3052 Triac Driver IC Optoisolator Photocoupler Optocoupler DIP-6 Reland Sun 10PCS/LOT TLP281 4 CH 4-Channel Opto-Isolator IC Module for Arduino Expansion Board High and Low Level Optocoupler Isola Reland SunMiZOELEC 10pcs/lot 6N138 DIP-8 optoisolator photoelectric Coupling 10pcs/lot 6N138 DIP-8 optoisolator photoelectric couplingMiZOELEC 10pcs/lot MOC3061 M0C3061 DIP-6 Optoisolator - Triac 10pcs/lot MOC3061 M0C3061 DIP-6 Optoisolator - TriacDBParts DBParts New for 20PCS 4N25 6Pin Optoisolators Transistor DIP Brand NewMiZOELEC PC827 Light Coupling Patch SOP8 optoisolator photoelectric Coupling 10PCS PC827 Light Coupling Patch SOP8 optoisolator photoelectric Coupling 10PCSGeneric TLP759 Light Coupling Patch SOP8 optoisolator photoelectric Coupling 10pcs /LOT Package contents:TLP759 SOP8 (10pieces)MicroMaker Interface Development Tools Opto-Isolator Breakout BOB-09118Jadpes Industrial-Grade Opto-Isolator,Jadpes 1pc Industrial Grade RS485 Signal Repeater Amplifier Isolated Distance Extender fo Built-in high-quality DC/DC isolated power supply module realizes electrical isolation betweenUIOTEC 10pcs MOC3083 SOP-6 Zero-Cross Optoisolators Triac Driver DONGKER DC 3.3V/5V 4-Channel PLC Amplifier Circuit Board, Photoelectric Optoisolator MOS Tube FET Module Drive Module Optocouple It adopts DIN35mm flame retardant shell and standard guide rail type installation design.Comimark Comimark 10Pcs LCR0203 LCR-0203 Linear optocoupler DIP-4 This is LCR0203 LCR-0203 linear optocoupler DIP-4DBParts DBParts New for 50PCS EL817C PC817 PC817C FL817C FL817 EL817 DIP-4 Optoisolators Transistor Brand NewDBParts DBParts New for 20PCS MOC3041 Zero-Cross Optoisolators Triac Driver 6-DIP Brand NewUIOTEC 10 Pcs MOC3020 DIP-6 Original Optoisolators Transistor Output Fairchild KASILU Dlb0216 Optocoupler Isolation Board, 24V Signal Converter Module Voltage Level Current Converter Module 80KHz 1-Channel Suitable for experiment, electronic designing and DIY etc.DONGKER 8-Channel Optocoupler Isolated Module, DC 24V to 5V PLC-PNP Signal Converter Voltage Converter Adapter Module Its working frequency is 20KHz,which can be used for signal isolation and polarity reversal.DONGKER DONGKER Optocoupler Isolation Board,3.3V to 24V 4-channel PLC Signal Level Voltage Conversion Board for Signal Isolation It can be used for signal isolationUIOTEC TLP281 4 CH 4-Channel Opto-Isolator IC Module for Arduino Expansion Board High and Low Level Optocoupler Isolation 4 Cha Baxnore Baxnore Optocoupler Isolation Board, 4 Channel Optocoupler Isolation Module, PLC Level Converter Board, PCB Isolation Bo Stable Performance: The optocoupler isolator guarantees consistent working performance; It ensures that your systems manMUNEFE MUNEFE Signal Converter Board, Power Conversion Board, Channel Optocoupler Board for Ensuring Fast and Stable Signal Con ROBUST DESIGN: This optical isolation module is made of superior materials that enhance its resisting to damage and ensuKASILU YHJ322 10Pcs D213 Opto-Isolator ILD213T Breakout Module Optoisolator Microcontroller Board for Z High-Performance Suitable for experiment, electronic designing and DIY etc.Fanmusic Topping HS02 USB 2.0 High Performance Audio Isolator with USB-B and Type C Input Compatible with PCM32bit 768kHz DSD512 Fully lsolated Design: The HS02 has a fully isolated design, which does not introduce new interference when the auxiliarfasient DC 6-30V Digital LED Relay Board Cycle Timing Circuit Switch Timer Delay Trigger Module Micro USB 5V 6-30V input voltage range, support micro USB 5.0V power supply, convenient to useWisoqu 5V 8 Channel Relay Module for Pico, with Photocoupler Isolation and USB Port Boot Pin Power Isolation: This 8 channel relay module provides stable isolation voltage, the isolated terminal does not require aIndependently published Optoelectronics Journal: Blank, Lined Notebook (Softcover) Brand: Newnes Analog Circuits Cookbook Used Book in Good ConditionDiamond Pedals Diamond Pedals Tremolo Guitar Effects Pedal (Surf Green) Smooth Optical Amp Style Tremolo plus Chopper