TEC1-12705-SF22 Thermo-Peltier Module Thermoelectric Peltier module element, 40.0 x 40.0 x 4,2 mm with a silicone perimeter seal. TEC1-12705 Specifications and Operational Parameters Size 40x40x4.0mm Imax 5.3A Umax 15.4V Qmax (ΔT =0) 57 W ΔT max. 68°C12Vdc Imax 5A ΔTmax 61°C

Simple Circuit to drive a Thermoelectric Cooler / Peltier Module in both heating and cooling. Can be driven from 3.3V when using Logic Level Mosfets and power is limited by the specs of the individual components, choose as required.