Thermoelectric cooling modules,thermoelectric module,thermoelectric cooler,peltier module Size: 25*25 *3.1mm Internal resistance: 3.08 Ω+/- 10% Imax.: 3.9 A Vmax.: 15.4 V Qmax.: 35.6W Tmax.: 68 degreef Solder melting point: 138degree,150degree,200degree. Maximum. Compress.: 1Mpa