Research Article

Lifetime Prediction for a Cell-on-Board (COB) Light Source Based on the Adaptive Neuro-Fuzzy Inference System (ANFIS)

Table 1

Technical specifications of the Nichia NVELJ048Z COB LED used in the study [32].

ItemSymbolAbsolute maximum ratingUnit

Forward current1000mA
Pulse forward current1500mA
Allowable reverse current85mA
Power dissipation38.7W
Operating temperature-40~105°C
Storage temperature-40~100°C
Junction temperature150°C