Figure 4 This figure shows the thermal pad temperature of FR4 and aluminum core PCBs without a heat sink (a) compared to the thermal pad temperature of an aluminum core PCB with and without a heat sink (b).
FR4 is one of the most commonly used PCB materials due to its relatively low cost, but it also has low thermal conductivity. In systems where the thermal load in the system is high, metal core PCBs, which have better thermal conductivity, are superior options. As heat dissipation needs increase, designers typically turn to increasing the PCB area and add heat sinks for superior thermal management. Designers can employ more active cooling techniques if further heat dissipation is required.
As the performance of UVC LEDs increases, designers are leveraging the benefits of design flexibility for spectroscopic instruments and disinfection reactors. The benefits of LEDs in these applications allows for more compact, efficient, and, quite often, more cost-effective designs. As this technology continues to develop, clever designers will discover more ways to leverage the benefits of UVC LEDs to address challenges in these markets.
" The Case for UVC LEDs in Spectroscopic Instrumentation ," Crystal IS.
" Optan SMDs for Biofilm and Biofouling Control ," Crystal IS.
OPTAN UVC LEDs datasheets and product documentation