Bridgelux Modular Passive LED Cooler Cool-LED Simpo-BRI-5850 Φ58mm Features VS Benefits Simpo cooler for Bridgelux LED arrays Luminaire cooling performance 400 to 1,400 lumen Diameter 58mm - Height 50mm - Thermal resistance Rth 3.7°C/W Validated thermal design for ES Star Array, Vero10,Vero 13, ES Star array with direct mounting For V6, V8 with LED holder For ES Rectangle array Direct mounting on the LED cooler or with Zhaga Book 3 LED holder Model No. Simpo-BRI-5850 Size Φ58xH50mm Material 6063-T5 Finish Black Anodized Weight(gr) 174 Thermal Wattage 12.2W HeatsinkΘs-a2 65040 Heat Sink T Rise Above Ambient 3.7