ZD20U USB Soldering Iron – Technical Description

The ZD20U soldering iron is a compact and easy-to-use USB-powered soldering tool, perfect for small electronic repair jobs, learning purposes, or mobile use. This model operates when connected to a 5V USB power source, eliminating the need for a traditional power outlet – a laptop, power bank, or any USB adapter is sufficient.

Technical Specifications

• Model: ZD20U
• Power: 8 W
• Power Supply: 5 V DC (via USB connection)
• Heating Time: < 15 seconds to operating temperature
• Cooling Time: ~30 seconds
• Temperature: Up to ~380–400 °C (depending on power source)
• Connector: USB-A
• Status Indicator: LED light indicates operating status
• Convenience: Ergonomic design with a thin tip for precise soldering
• Additional Features:
  • Automatic sleep mode after inactivity
  • Fast heat-up time
  • Replaceable tip

Applications

• Soldering electronic components
• Minor electronic repairs
• Ideal for beginner electronics enthusiasts
• Suitable for travel or outdoor use

Package Contents

• 1 × ZD20U USB soldering iron
• 1 × Protective tip cap
• 1 × Basic stand
• 1 × User manual

Notes

• Using a weak USB power source (e.g., 0.5A) may result in insufficient heat.
• It is recommended to use with a 1A or higher current USB adapter.

Conclusion

The ZD20U USB soldering tool is an excellent choice for those looking for an affordable, portable, and user-friendly solution for electronics work.