Thermoelectric cooling modules,thermoelectric module,thermoelectric cooler,peltier module TEC1-19908 Size: 50x50x4.2mm Internal resistance: 2.35 +/- 10% Imax.: 8.0 A Vmax.: 24.1 V Qmax.: 111.5W Tmax.: 68 degree Solder melting point: 138degree,150degree,200degree. Maximum. Compress.: 1Mpa