Utilized in high-end consumer, commercial, and military-grade applications for extreme performance and maximum energy efficiency, TEC1 Peltier Modules provide unmatched temperature differentials (DTmax) in cooling or heating applications. TEC1-12715 Peltier Modules from electron.com measure 50x50x3.9mm and offer 68C Delta T max (DTmax) at a maximum operating temperature of 138C. Capable of performing to exacting specifications, cooling or heating with precision in extreme environments, TEC1 Peltier Modules from electron.com have rapidly become an industry standard for numerous exacting thermoelectrics.