Dimensions: 40 * 40 * 4.2mm component pairs 127 Wire specification: lead length 100 ± 5mm RV standard wire single head 5mm tinned Internal resistance: 3.0 ~ 3.3Ω (ambient temperature 23 ± 1 ℃, 1kHZ Ac test) Maximum temperature difference: △ Tmax (Qc = 0) above 60 ℃. Working current: Imax = 12 (at rated voltage start) Rated voltage: DC12V (Vmax: 15.5V) Cooling power: Qcmax 36W Assembly pressure: 85N / cm2 Working environment: temperature range -55 ℃ ~ 83 ℃ (excessive ambient temperature will directly affect the cooling efficiency) Packaging process: standard 704 silicone rubber seals around Packaging standard: foam box packaging, storage conditions Ambient temperature -10 ℃ ~ 40 ℃ Storage conditions: -40 ~ 60 ℃