Thiết bị kiểm tra già hóa, chịu nhiệt bóng đèn LED EVERFINE TRA-200, TRA-300
Parameters
LED junction temperature and thermal resistance
Thermal resistance of LED is the main judgment parameter of thermal conductivity of heat flow path. The thermal resistance structure is the thermal resistance distribution on the heat flow path of the measured device. For LED device, the total heat transfer resistance is generally composed of three parts: the thermal resistance of the chip to the metal substrate, the thermal resistance of metal substrate to the cooling system and the thermal resistance of the cooling system to the surrounding environment.