AC/DC Step Down Transformer Dual Output Power Supply Module 3.3V & 12V 450mA

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AC/DC Step Down Transformer Dual Output Power Supply Module 3.3V & 12V 450mA This is a compact AC/DC Step Down Transformer Dual Output Power Supply Module 3.3V & 12V 450mA. Its ultra-wide input range supports AC from 70 to 270 VAC and DC from 100 to 380 VDC and dual output of 3.3 VDC/80 mA and 12 VDC/450 mA, making it ideal for flexible deployment in diverse mains environments. This module includes built-in protections (over‑current, over‑temperature, short‑circuit) and EMI filtering, and features through-hole PCB mounting with high-voltage isolation and compact size. Features Provides a consistent 12V/3.3V DC supply for sensitive electronic components. Designed to minimize power loss and heat generation. Easily integrates into space-constrained applications. Wide Input Voltage Range. Delivers a stable 450mA/80mA output current. Compact, lightweight, and easy to integrate into electronic circuits. Built-in protection for overload, overvoltage, and short circuits. Durable and reliable design with high-quality electronic components. Ultra-thin, ultra-small. Isolated Switching Power Supply. Low ripple and low noise.. High efficiency, high power density. Low power consumption, environmental protection, no-load loss <0.1W. Specifications Parameter Value Input Voltage (AC) 70–270 VAC, 50/60 Hz Input Voltage (DC) 100–380 VDC Output Voltage 3.3V/12V DC ±0.2 V Output Current Up to 450m A Rated Power 5.4 W Efficiency 73–80 % Protections Over-current, over-temperature, short-circuit EMI Filtering Yes Operating Temperature –20 °C to +60 °C Isolation (Input/Output) High-voltage isolation (typically ≥3 kV) Mounting PCB mount module with optional holes Dimensions (approx.) 30mm x 18.5mm x 14mm Dimensions Installation PINOUT Applications Power supply for IoT devices and embedded systems. DIY electronics and prototyping projects. Microcontroller-based applications (Arduino, Raspberry Pi, ESP8266, etc.) Industrial automation and control systems. Smart home automation projects. LED lighting systems and display modules. USB power supply for small electronic gadgets. Documents Technical Details . Package Contents 1x AC/DC Step Down Transformer Dual Output Power Supply Module 3.3V & 12V 450mA.