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AM21-5W12V Buck Power Module Overview The AM21-5W12V is a compact AC-DC buck power supply module that efficiently converts 100-250VAC input to stable 12VDC output, delivering 5W power in an ultra-compact 34.7×20.6×15.5mm DIP package. Key Features Universal AC Input: Works with 100-250VAC power sources Compact Design: Space-efficient 34.7×20.6×15.5mm form factor Stable Output: Delivers consistent 12VDC at 416mA High Efficiency: Optimized power conversion with minimal energy loss Safety Isolation: Built-in electrical isolation protection Low Ripple: Clean power output for sensitive electronics DIP Packaging: Easy integration with standard PCB designs Technical Specifications Input Voltage Range: 100-250VAC Output Voltage: 12VDC ±5% Output Current: 416mA Output Power: 5W Dimensions: 34.7×20.6×15.5mm (L×W×H) Package Type: DIP (Dual In-line Package) Operating Temperature: -40°C to +85°C Typical Efficiency: >80% Ripple Noise: <150mV (max) Application