Compatible heating element for external heating soldering irons. This 30150W soldering iron core is designed as a general replacement part for samesize external heating electric irons, offering reliable performance for a wide range of DIY and professional soldering tasks. Key benefits and features Quick heating and fast cooling: Quality materials enable rapid warming to the target temperature and quick cooling after use, improving work efficiency and delivering stable, smooth soldering control. Durable and reliable construction: Built to withstand frequent use, it provides consistent heat distribution and a long service life, making it a dependable choice for electronics , welding projects, and electrical work. Flexible power options: Six power variants from 30W to 150W at 220V/50Hz, accommodating delicate electronics work as well as more demanding soldering tasks. Compatibility and specification highlights Compatibility: General replacement core for samesize external heating soldering irons. Power range: 30W to 150W (six variants). Voltage and frequency: 220V, 50Hz. Core design: External heating soldering iron compatible. Practical use scenarios Electronics and component rework: Replacing connectors, repairing circuit traces, and resoldering components on consumer devices with lead or standard solder. PCB assembly and maintenance: Precise heat delivery for circuitboard soldering and rework, minimizing the risk of heat damage to boards and components. Smallscale welding and wire work: Light welding tasks and insulated wire soldering where stable heat and quick cooldown improve workflow and results.