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$5.27
DollaTek PC817 4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module โ€” image 1
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DollaTek PC817 4-Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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$5.27
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About this item
  • 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.
Product description

Features This module is used for isolation control and voltage conversion need. It can realize 3.3V or 5V to control the 3.6-30V voltage interface. 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 requiring high voltage control and can also directly drive 24V low power relays. If it is a pulse signal, please note that the limit of 817 is less than or equal to 4KHZ. If the control signal is greater than 4kHz, please do not use this module, it will not work properly. Parameter Control terminal signal voltage: 3.6-24V. Output terminal voltage range: 3.6-30V (the 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) If the output is a high output potential or a low potential, it is possible to make a jumper. 4 817 channels are independent, allow simultaneous control of different voltages, etc. Board size: 48mm x 38mm (length and width); long side hole distance: 42mm; wide side hole distance: 32mm Package includes: 1 x PC817 4 Channel Optocoupler Isolation Board

Product details
Brand
DollaTek
Manufacturer
DollaTek

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10 Trustpilot reviews total, with 2 shown at a time.

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Excellent
4.5 average rating
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Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

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Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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