Mijing 3005D Multifunctional High Precision Adjustable DC Stabilized Power Supply (31V / 5A)
The Mijing 3005D Multifunctional High Precision DC Stabilized Power Supply is a professional-grade tool designed for accurate voltage and current control in mobile phone repair, PCB diagnostics, and electronics testing. With an adjustable output range of 0–31V and 0–5A, it provides stable and reliable power for sensitive repair operations.
Equipped with advanced constant voltage (CV) and constant current (CC) modes, this power supply ensures precise output control with minimal ripple and noise, making it ideal for short circuit detection, motherboard troubleshooting, and component testing. It offers high accuracy with 10mV voltage and 1mA current resolution, enabling technicians to work with extreme precision.
The device also features multiple protection systems including over-voltage, over-current, and over-temperature protection, ensuring safe operation and protecting connected devices from damage. Its intelligent cooling fan system reduces heat and noise, making it suitable for long working hours in professional environments.
With built-in memory storage functions, users can save frequently used settings for quick recall, improving efficiency and workflow in repair labs.
Key Features
- Adjustable output 0–31V / 0–5A for versatile applications
- High precision 10mV / 1mA resolution
- Dual working modes: CV (constant voltage) & CC (constant current)
- Low ripple and noise for stable performance
- Built-in OCP, OVP & OTP protection systems
- 4 memory channels for saving presets
- Intelligent temperature-controlled cooling fan
- USB interface support
- Digital control with intuitive operation
- Ideal for mobile repair, PCB testing, and diagnostics
Technical Specifications
- Brand: Mijing
- Model: 3005D
- Type: DC stabilized power supply
- Input Voltage: 110V / 220V
- Output Voltage: 0–31V
- Output Current: 0–5A
- Power Output: 150W
- Voltage Resolution: 10mV
- Current Resolution: 1mA
- Protection: Over-voltage, over-current, over-temperature
- Cooling System: Intelligent fan cooling
- Interface: USB
- Modes: CV / CC
- Application: Mobile repair, PCB diagnostics, electronics testing























