Bolsen TEC112704 12703 12706 12740 TES112701 TEC112705FX TEC119912 TEC Thermoelectric Cooler Peltier of semiconductor Refrigeration 30X3040X40 5PC TEC1 12704 40X40

TEC1-12704 TEC Thermoelectric Cooler refrigeration 30X30/40X40 Thermoelectric Cooler Peltier of semiconductor refrigeration,5PCS TEC1-12704 (40*40), Get ice cold in minutes or heat to boiling by simply reversing the polarity, used for numerous applications from CPU coolers to alternate power sources, or even for your own, Overall dimensions: 40*40*4.0mm/30*30*3.0MM element TEC1-12704 ,5PCS TEC1-12704 (40*40), Wire specification: lead length 300 + 5mm RV standard wire single head 5mm tin plating, These devices must be used in conjunction with a heat sink to avoid burned