Hobbywing UBEC 3A 5A Peak DC-DC Step-Down Regulator – 2–6S LiPo / 5–18S NiMH, Switchable 5V/6V Output, Lightweight External BEC for RC Airplanes, Helicopters, Drones & FPV Systems

The Hobbywing UBEC 3A Max 5A Step-Down Regulator is a compact, lightweight, and highly efficient external BEC designed to provide stable and reliable power for your receivers, servos, and flight controllers. With support for a wide input range (5.5V–26V) and selectable 5V or 6V outputs, this UBEC is perfect for RC airplanes, helicopters, drones, and FPV builds that require dependable voltage regulation.<br><br>✅ Stable Power Delivery<br><br>Delivering 3A continuous current and up to 5A peak, this UBEC ensures your servos and onboard electronics receive clean, consistent voltage, even during demanding flight conditions. Its switch-mode DC-DC design maintains high efficiency while minimizing heat output.<br><br>✅ Flexible Voltage Options<br><br>Easily switch between 5V or 6V output via a jumper cap, giving you the ability to power a variety of RC systems and servos. This flexibility makes it compatible with both standard and high-voltage electronic setups.<br><br>✅ Wide Input Compatibility<br><br>Supporting 2–6S LiPo packs or 5–18S NiMH/NiCd batteries, the UBEC is ideal for high-voltage RC aircraft and multicopters. It ensures that sensitive electronics like receivers and gyros receive stable power, even from large-capacity battery systems.<br><br>✅ Built-In Protection &amp; Noise Reduction<br><br>Equipped with thermal shutdown, overload, and reverse polarity protection, the UBEC keeps your electronics safe from unexpected failures. The addition of a magnetic ring and shielding reduces electrical noise, ensuring smoother signal transmission for RC receivers and flight controllers.<br><br>✅ Compact &amp; Lightweight<br><br>Weighing only 11g and measuring 43 × 17 × 7mm, the Hobbywing UBEC 3A is small enough for tight RC builds while still providing powerful performance. Its lightweight design ensures minimal impact on flight dynamics.<br><br>✅ Technical Specifications<br><br>Output Voltage: 5V / 6V (jumper selectable)<br><br>Output Current: 3A continuous, 5A peak<br><br>Input Voltage: 5.5–26V (2–6S LiPo, 5–18S NiMH/NiCd)<br><br>Efficiency: &gt;90%<br><br>Ripple: &lt;50mVp-p (@2A/12V input)<br><br>Size: 43 × 17 × 7mm<br><br>Weight: 11g<br><br>Protection: Overheat, Overload, Reverse Polarity<br><br>Connector: JR-style servo plug

• Wide Voltage Input – Supports 2–6S LiPo (5.5–26V) or 5–18S NiMH/NiCd packs.
• Stable Power Output – 3A continuous and 5A peak current for receivers and servos.
• Switchable Voltage – Selectable 5V or 6V output via jumper cap for system flexibility.
• High Efficiency – >90% switching regulator design ensures low heat and long runtime.
• Lightweight & Compact – Weighs only 11g, perfect for weight-sensitive RC builds.
• Built-In Protections – Overheat, overload, and reverse polarity safeguards included.
• Low Noise Design – Magnetic ring and shielding reduce interference with receivers.
• Universal Compatibility – Works with most ESCs, flight controllers, and RC systems.
• Durable Build – High-quality components ensure reliability under heavy load.
• Versatile Applications – Ideal for planes, helicopters, drones, multicopters, and FPV rigs.