OSRAM Opto Semiconductors OSLON® Square Hyper Red LEDs feature proven robustness, high reliability, long lifetime, and low thermal resistance. These high power LEDs provide the best value for the highest Photosynthetic Photon Flux per Watt (PPF/W). The square hyper red LEDs offer 65% radiant efficiency and 965mW radiant flux. These high power LEDs operate at -40°C to 125°C temperature range. The square hyper red LEDs feature 135°C junction temperature and 8kV ESD withstand voltage. These high power LEDs are designed with SMT ceramic package with a silicone lens. The square hyper red LEDs are ideal for use in architecture and horticulture lighting.