3.3V Buck Converter Module 5 Packs DC 5-23V 12V to 3.3V Step-Down Regulator Board 1.8A Output for Arduino, ESP32, DIY Electronics

Technical Specifications Input Voltage: 5V-23V Output Voltage: Fixed 3.3V (±2%) Max Current: 1.8A (Recommended 1.5A for stable performance) Dimensions: 17mm x 11mm x 3.6mm Operating Temp: -40℃ ~ 85℃ Package: 5 x 3.3V Buck Converter Modules Key Features Space-Saving Design – Fits tight spaces in ESP32, battery compartment, and compact PCB layouts. High Efficiency – Chip ensures minimal power loss. Low Ripple & Noise – For sensitive electronics (e.g., sensors, microcontrollers). Usage Tips Polarity Check: Confirm input/output polarity via PCB markings to avoid damage. Heat Dissipation: Install a heatsink or ensure airflow for currents >1A. Applications Power Arduino, Raspberry Pi, ESP8266/32 modules DIY LED strips, portable chargers, solar projects RC models, drones, robotics, automotive electronics

• 【Ultra-Compact】 Miniature size (17x11x3.6mm) with 3.3V stable output, ideal for ESP32 and Arduino and other projects.
• 【1.8A High-Current Output with Low Ripple】Delivers up to 1.8A continuous current (3V/1.5A) ensuring clean power for sensitive ICs. High-frequency switching minimizes noise.
• 【Built for Demanding Applications】Robust heat dissipation design supports continuous 1.5A operation (-40℃~85℃). Perfect for servos, motors, and Arduino projects.
• 【Enhanced Protection & Safety】Reverse polarity markings on PCB. Add external capacitors/Zener diodes for inductive loads (e.g., motors) to suppress ripple and protect circuits.
• 【5-Pack Value Bundle】You can get 5packs buck modules. Wide input range: 5V-23V, high efficiency.