Ultra-Small Size DC-DC 5V 3A BEC Power Supply Buck Step Down Module

The Ultra-Small Size DC-DC 5V 3A BEC Buck Step Down Module is a compact and efficient voltage regulator designed to convert higher DC voltages into a stable 5V output. Despite its tiny footprint, this module can deliver up to 3A of current, making it ideal for space-constrained projects such as RC models, drones, embedded systems, and DIY electronics.

Built with high-efficiency switching technology, the module provides reliable power regulation with minimal heat generation. It’s especially suitable for applications where regulated 5V is required from sources like 2S–6S LiPo batteries or 12V power supplies.

Features of Ultra-Small 5V 3A BEC Buck Converter Module:

1. Ultra-compact size suitable for tight PCB spaces and embedded designs
2. Fixed 5V regulated output with up to 3A continuous current
3. High efficiency, low heat output under load
4. Overcurrent and thermal protection built-in
5. Plug-and-play ready with pre-soldered input/output terminals
6. Ideal for RC vehicles, drones, microcontrollers, and portable power applications

Specifications  Ultra-Small 5V 3A BEC Buck Converter Module:

• Input Voltage Range: 6V to 23V DC
• Output Voltage: 5V DC (fixed)
• Output Current: Up to 3A (with adequate heat dissipation)
• Efficiency: Up to 95%
• Dimensions: Approx. 17mm × 12mm × 4.5mm
• Weight: ~1g
• Protection: Short circuit, thermal shutdown
• Type: Non-isolated step-down (buck) converter

Package Includes:

1 × Ultra-Small Size DC-DC 5V 3A BEC Power Supply Buck Step Down Module