Issue link: https://iconnect007.uberflip.com/i/322206
26 SMT Magazine • June 2014 Using the average temperature of the light emitting LED chip surface as the junction tem- perature and the heat sink temperature as the ambient temperature, we defined the junction-to-ambient thermal resistance and compared this measure as the most represen- tative one for all investigated set-ups (Figure 15). By far, the lowest thermal resistance can figure 14: Comparison of the results of the different pCb technologies. figure 15: Comparison of the results of the different pCb technologies. ADvAnCeD THeRMAL MAnAgeMenT SOLuTIOnS continues feaTure