Hobbywing 25A 3-18S High Voltage UBEC
Introducing the Hobbywing 25A 3-18S High Voltage UBEC, an external switching-mode DC-DC regulator designed to provide a stable power supply for receivers and other electronic devices in large helicopters and fixed-wing aircraft. This UBEC efficiently steps down voltage from a 3-18S LiPo battery, delivering a continuous current of up to 25A with peak currents reaching 50A.
Description
Hobbywing 25A 3-18S High Voltage UBEC
The **Hobbywing 25A 3-18S High Voltage UBEC** is an external **switching-mode DC-DC regulator**. It is designed to provide a **stable power supply** for receivers and other electronic devices in **large helicopters and fixed-wing aircraft**. The UBEC efficiently steps down voltage from a high-voltage **3S to 18S LiPo battery**, delivering a robust and consistent power flow.
Key Features
- **High Efficiency**: Utilizes a DC-DC regulator chip with a conversion efficiency **exceeding 90%**.
- **Adjustable Output Voltage**: Offers selectable output voltages of **5.2V, 6.0V, 7.4V, and 8.4V** to accommodate various servo requirements.
- **Multiple Outputs**: Equipped with **8 parallel output channels** to enhance current handling capabilities.
- **Comprehensive Protection**: Includes BEC shoot-through protection, over-current, short-circuit, overheat, and low-voltage cutoff safeguards.
- **Backup Power Support**: Includes a **backup power input** to maintain operation if the main power supply is compromised.
- **User-Friendly Design**: Features an **external switch** for easy on/off control and an **LED indicator** for status display.
- **Robust Construction**: Encased in a **metal housing** for efficient heat dissipation and reduced electromagnetic interference.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | UBEC 25A HV |
| Product Number | 30606000 |
| Type | Switching Mode, High Voltage |
| Continuous/Peak Current | 25A / 50A |
| Main Power Supply Input Voltage | 3S to 18S LiPo (9V to 80V) |
| Backup Power Supply Input Voltage | 1S to 2S LiPo (3V to 9V) |
| Output Voltage Options | 5.2V / 6.0V / 7.4V / 8.4V (Adjustable) |
| Input Wires (Main Power) | Red 16AWG 270mm ×1, Black 16AWG 270mm ×1 |
| Input Wires (Backup Power) | Yellow 16AWG 150mm ×1, Black 16AWG 150mm ×1 |
| Output Wires | 3P Vertical Pin Header (includes four 100mm 60-strand PVC wires with 3P-JR male connectors) |
| Input Connectors | None |
| Output Connectors | None |
| Dimensions (L×W×H) | 55 × 40.2 × 17.6 mm |
| Weight | 74g |
The Hobbywing 25A HV UBEC is engineered to meet the demanding power requirements of high-performance RC models, ensuring reliable and consistent power delivery to all onboard electronics.
*Keywords: Hobbywing 25A UBEC, 3-18S High Voltage UBEC, RC Aircraft Voltage Regulator, High Current UBEC for Drones, Adjustable Output UBEC*