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    AJMRTC HLK-PM03 AC-DC Isolated Power Supply Module, 220V AC to 3.3V DC Step Down Buck Converter, Intelligent Household Switch Power Module, 3W Output, Pack of 5

    • 1. AC-DC isolated switching power module, 3000V isolation between input and output for safety
    • 2. Wide universal AC input 100-240V, stable 3.3V DC 3W output
    • 3. Built-in over-current, short-circuit protection with automatic recovery function
    • 4. Low ripple & low noise, ideal for smart home switches, sensors and MCU circuits
    • 5. Compact SIP package, easy PCB soldering and embedded installation
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    Overview
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    AJMRTC HLK-PM03 isolated AC-DC step-down module converts 220V mains AC into stable 3.3V DC power. It features reinforced isolation design to separate high voltage side and low voltage side effectively. With built-in protection circuits, it automatically recovers after overload or short-circuit fault. Low ripple performance ensures clean power supply for single-chip microcontrollers, WiFi modules and smart home control boards. Widely adopted in intelligent switches, household sensors and small industrial control circuits. This package includes 5 pieces.


    Specifications

    1. Brand: AJMRTC
    2. Model: HLK-PM03
    3. Input Voltage: 100-240V AC 50/60Hz
    4. Output: 3.3V DC, 3W
    5. Isolation Voltage: 3000V AC
    6. Protection: Over-current, short-circuit auto-recovery
    7. Ripple: Low ripple, low noise
    8. Quantity: 5PCS
    9. Mounting: Through-hole SIP package
    10. Application: Smart home switch, sensor, MCU, embedded electronics


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