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  • LED Light Bulb DIY Repair at Home - ToolBoom

    May 08, 2019 · Operation temperature (TOPR) -40°C – +85°C. Storage temperature (TSTG) -40°C – +100°C. Soldering temperature (TSOL) 260°C. To put it simply, a LED transforms the electric current into light emission. This light source consists of a semiconductor crystal on a non-conductive base, a housing with contacts and an optical system.