The Koocu V501 is a budget-friendly, 25-watt constant temperature electric soldering iron widely used for high-precision micro-soldering, mobile phone repairs, and printed circuit board (PCB) assembly. It is highly regarded by hobbyists and technicians for its rapid heating capabilities, lightweight ergonomics, and stable thermal output.
Technical Specifications
- Power Output: 25W (constant temperature)
- Input Voltage: 220V AC ±10% at 50Hz
- Temperature Range: 200°C to 480°C
- Temperature Stability: ±2°C under no-load still air conditions
- Heating Element: Two-core Ceramic PTC heating core
- Net Weight: Extremely lightweight at approximately 89g
- Tip Properties: Premium nickel-copper plated bit with low current leakage







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