The Best Optocoupler Board of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Optocoupler Board of 2025. Check our ranking below.
2,217 Reviews Scanned
Rank No. #1
AOICRIE 2pcs PC817 8 Channel Optocoupler Isolation Board Voltage Converter Module 3.6-30V Photoelectric Isolated Module 817 Voltage Isolation Module
- PC817 8 channel optocoupler isolation board is independent, can control different voltage at then same time.
- 8-way 817 optocoupler driving port signal voltage:3.6-24V; Output voltage range: 3.6-30V(The output current depends on the specific situation but not over 10MA. When the total power is fixed, the voltage and current are inversely proportional).
- PC817 optocoupler module can realize 3.3V or 5V control the interface of 3.6-30V voltage level.After the control terminal is turned on, the controlled terminal will also be turned on.Voltage conversion,and can realize to drive a high level from a low level.
- Photoelectric isolation has strong anti-interference ability. It can drive high-power triodes, MOS tubes and other applications that require high-voltage driving, and can also directly drive low-power 24V relays.
- If it is a pulse signal, please note that the limit of 817 is 4KHZ or less. If the control signal is greater than 4KHZ, please do not use this module, it will not work properly.
Rank No. #2
5 PCS Optocoupler Isolation Board, Icstation DC 12V Optocoupler Isolation Module EL817 1 Channel Opto PNP NPN Signal Converter, Isolator High-Level Trigger 80KHz
- 【Relay Switch Module】5pcs 1-channel photocoupler isolator with stable performance, triggered by DC 12V and 1mA current.
- 【Signal Voltage】Positive phase amplification with high-level trigger. Output equals input.
- 【Level Converter】Opto-isolators can be used as level converters (NPN-PNP, PNP-NPN), signal input to MCU in isolation, or MCU-controlled device output in isolation.
- 【Control Transformer】Optocoupler isolation board provide isolation between low and high-voltage circuits when used with other electronic devices.
- 【Functional Application】Devices for microprocessor Input/Output switching, DC/AC power control, communications equipment protection, and power supply regulation.
Rank No. #3
DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module
- Optocoupler isolation control.
- 8-Channel input and output.
- NPN / PNP (Low/High level) signal output.
- Support DC 3.3V~5V Input.
- DC 1.8V-24V load voltage.
Rank No. #4
Alinan 4pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
- ★Driving Port Signal Voltage: 3.6-24V; Output Port Voltage Port: 3.6-30V
- ★Can realize 3.3V or 5V to control the interface of 3.6-30V voltage . After the control terminal is turned on, the controlled terminal will also be turned on.
- ★Photoelectric isolation has strong anti-interference ability. Can drive big behindPower triodes, MOS tubes, etc., where high voltage driving is required, can also directly drive low power 24V relays.
- ★If it is a pulse signal, please note that the limit of 817 is below 4KHZ. If the control signal is greater than 4KHZ, please do not use this module, it will not work properly.
- ★Through the jumper cap can achieve whether the output is high potential output or low output.The 4th and 817 on the board are independent, which can realize simultaneous control of different voltages, etc.
Rank No. #5
EC Buying 5Pcs 3-5V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter
- 1-way optocoupler isolation module with EL817 features, providing input voltage of DC 3V ~ 5V and output voltage suitable for DC1.8V-24V, ensuring broad voltage application and optimal signal conversion for various devices
- Opto-isolator with isolation voltage greater than 3000V, offers maximum input current of 50MA and working temperature range of -55~110 degrees, ensuring reliable and safe signal isolation and conversion in diverse environments
- PC817 Card Rail Bracket Input 3-5V Optocoupler Isolation Module with maximum output current 50MA, designed for input current within 15-20MA and maximum application signal frequency of 5KHz, ensuring efficient signal conversion and transmission
- Optocoupler featuring operating current> 1 MA, suitable for a wide range of input and output signal voltage, and provides optimal signal transmission and conversion for electronic devices and circuits
- The card guide rail bracket input 3-5V, the optoelectronic isolator provides a reliable and versatile solution for signal isolation and conversion, ensuring seamless integration and operation in various electronic systems
Rank No. #6
2Pcs PC817 8 Channel Optocoupler Isolation Board 3.6-30V Driver Photoelectric Isolated Module Voltage Converter Adapter Module
- 8 channel optocoupler isolation board is used when it comes to the need for isolation control and voltage conversion.
- 8-way 817 optocoupler drive terminal signal voltage: 3.6-24V. Output terminal voltage range: 3.6-30V (output current depends on the specific situation but the maximum does not exceed 10MA, the total power is constant, the voltage and current are inversely proportional)
- It can realize 3.3V or 5V to control the interface of 3.6-30V voltage . After the control terminal is turned on, the controlled terminal will also be turned on.
- Photoelectric isolation has strong anti-interference ability. It can drive high-power triodes, MOS tubes and other applications that require high-voltage driving, and can also directly drive low-power 24V relays.
- If it is a pulse signal, please note that the limit of 817 is 4KHZ or less. If the control signal is greater than 4KHZ, please do not use this module, it will not work properly.
Rank No. #7
NOYITO PC817 4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
- This module is used when it comes to the need for isolation control and voltage conversion.
- Drive terminal signal voltage: 3.6-24V. Output terminal voltage range: 3.6-30V (output current depends on the specific situation but the maximum does not exceed 10MA, the total power is constant, the voltage and current are inversely proportional)
- It can realize 3.3V or 5V to control the interface of 3.6-30V voltage . After the control terminal is turned on, the controlled terminal will also be turned on.
- Photoelectric isolation has strong anti-interference ability. It can drive high-power triodes, MOS tubes and other applications that require high-voltage driving, and can also directly drive low-power 24V relays.If it is a pulse signal, please note that the limit of 817 is 4KHZ or less. If the control signal is greater than 4KHZ, please do not use this module, it will not work properly.
- 【8-Channel Optocoupler Isolation Board ASIN ： B09RGTBDKJ 】 NOYITO PC817 4-Channel Optocoupler Isolation Board User Manual https://1drv.ms/u/s!AlzQUCOyZQhKgT98ibtG22R8W5eQ?e=VfKbrK
Rank No. #8
AOICRIE 4pcs PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
- PC817 4 channel optocoupler isolation board is independent, can control different voltage at then same time.
- 4-way 817 optocoupler driving port signal voltage:3.6-24V; Output voltage range: 3.6-30V(The output current depends on the specific situation but not over 10MA. When the total power is fixed, the voltage and current are inversely proportional).
- 4 way 817 optocoupler to achieve the control signal and the control signal isolation, you can directly use the microcontroller or other devices IO port to achieve voltage isolation control, you can achieve a small voltage control, the control side can be an external transistor MOS tube or different voltage levels Of the device interface.
- PC817 module jumper cap can be used to determine whether the output terminal is high potential output or low output.
- If it is a pulse signal, please note that the limit of 817 is below 3KHZ. If the control signal is greater than 3KHZ, please do not use this module, it will not work properly.
SaleRank No. #9
EC Buying 5Pcs 24V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1 Channel Opto PNP NPN Signal Converter
- 24V optocoupler isolation board with EL817 features, providing a wide input signal voltage range of DC1.8V-24V and a maximum input current of 50MA. Ideal for 1 channel opto PNP NPN signal conversion and optoelectronic isolation applications. Input 24V compatible
- Optocoupler isolation module with PC817 card rail bracket, offering an impressive isolation voltage of over 3000V and a maximum output current of 50MA. Suitable for various optoelectronic isolation and signal conversion needs, with a working temperature range of -55~110 degrees. Input 24V
- 1 channal optocoupler isolation module for signal conversion and isolation, featuring a wide input signal voltage range of DC1.8V-24V and a maximum output current of 50MA. The optocoupler isolation module is designed for compatibility with input 24V signals and offers reliable performance in diverse applications
- Optoelectronic isolator with 3-5 V input and EL817 optocoupler, delivering an outstanding isolation voltage exceeding 3000V and a maximum output current of 50MA. Suitable for opto PNP NPN signal conversion and various optoelectronic isolation requirements, compatible with input 24V signals
- Optocoupler isolation board designed for opto PNP NPN signal conversion, featuring an input signal voltage of DC 24V and a wide output signal voltage range compatible with DC1.8V-24V. Equipped with EL817 optocoupler and PC817 card rail bracket for reliable performance in signal conversion and isolation applications. Compatible with input 24V
Rank No. #10
AOICRIE 8pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
- PC817 2 channel optocoupler isolation board is independent, can control different voltage at then same time.
- 2-way 817 optocoupler driving port signal voltage:3.6-24V; Output voltage range: 3.6-30V(The output current depends on the specific situation but not over 10MA. When the total power is fixed, the voltage and current are inversely proportional).
- 2 way 817 optocoupler to achieve the control signal and the control signal isolation, you can directly use the microcontroller or other devices IO port to achieve voltage isolation control, you can achieve a small voltage control, the control side can be an external transistor MOS tube or different voltage levels Of the device interface.
- PC817 module jumper cap can be used to determine whether the output terminal is high potential output or low output.
- If it is a pulse signal, please note that the limit of 817 is below 3KHZ. If the control signal is greater than 3KHZ, please do not use this module, it will not work properly.
Last update on 2025-12-02 / Affiliate links / Images from Amazon Product Advertising API
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