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Item #:
98208806
2PCS PC817 4 Channel Optocoupler Isolation Board Voltage Control Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC 817
Item #:
98208806
KWD 6
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Only 8 items left in stock.
Order now and get it around Sunday, August 16
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Photoelectric isolation has strong anti-interference ability.
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What Stands Out
Versatile Voltage Range
Supports input voltages from 3.6V to 30V, making it suitable for diverse applications and providing flexibility for different electronic systems and projects.
Enhanced Isolation
Features robust optical isolation to protect sensitive components from high voltage spikes, ensuring reliability and safety in various electronic circuits.
Easy Integration
Designed for seamless integration into existing systems with straightforward connections, facilitating quick setup and minimizing installation time for users.
Product Details
- This module is used when it comes to the need for isolation control and voltage conversion.
- Drive port signal voltage: 3.6-24V. Output port 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 3.6-24V voltage level. 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.
| Connector Type | Screw |
| Number Of Contacts | 8 |
| Mounting Type | Panel Mount or DIN Rail Mount |
| Voltage | 24 Volts |
| Number Of Poles | 4 |
| Number of Positions | 4 |
| Material | Polycarbonate (PC) |
| Colour | Green |
| Brand | HALJIA |
| Model Number | ADN1903021 |
| Manufacturer | HALJIA |
| UPC | 753594159974 |
| Manufacturer Part Number | ADN2103060 |
| Country Of Origin | China |
| Number of items | 2 |
| Item Weight | 0.1 lbs (50 grams) |
Product Description
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Customer Questions & Answers
-
Question:
What is the maximum output current of this module?
Answer: The maximum output current does not exceed 10MA. -
Question:
Can I use this module for signals greater than 4KHZ?
Answer: No, this module should not be used for control signals greater than 4KHZ. -
Question:
Is the module suitable for both voltage conversion and isolation?
Answer: Yes, it effectively handles both isolation control and voltage conversion.
HALJIA Optocouplers ADN1903021 Editorial Review
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Customer Reviews & Ratings
3 customers ratings
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Pros
- Effective isolation performance
- Wide voltage range
- Easy to install
- Reliable operation
- Compact design
Platform Trust & Buyer Confidence
A
Ahmad
Verified buyer
“Fast delivery, great experience overall.”
03-Jul-26 · via Trustpilot
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abbas
Verified buyer
“Excellent item received as expected and before the estimated time. Thanks for the great service.”
19-Jul-26 · via Trustpilot
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Waleed
Verified buyer
“Thank you for your message. I received the product and it is very good ? I?m really impressed with how great it works! I will be happy to share my feedback on the website.”
11 February 2026 · via Trustpilot
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Ahmed
Verified buyer
“Very good the same exact product that i wanted good shipping and delivery”
10 June 2026 · via Trustpilot
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Ambhita
Verified buyer
“Package delivered on time”
10 July 2026 · via Trustpilot
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KWD 6
Order now and get it around Sunday, August 16
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QTY:
Only 8 items left in stock.
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Features & Benefits
- Supports isolation control and voltage conversion efficiently.
- Operates with control signal voltages of 3.6-24V.
- Achieves simultaneous control across 4 independent channels.
- Able to drive high-power components and low-power 24V relays.
- Ideal for projects requiring strong anti-interference capability.
- Compact size and lightweight at just 16g for easy integration.
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