SZ653D - SZ65D0

      All the following data of SZ653D - SZ65D0 is based on the fact that VZ ranges from 3.3 to 200 volts, PD =5 Watts.
      The SZ653D - SZ65D0 has many features : 1.  complete voltage range 3.3 to 200 volts ; 2. high peak reverse power dissipation; 3. high reliability; 4. low leakage current; 5. nonsensitive to ESD;6. Pb / RoHS free.There are some mechanical data, 1. case : SMB (DO-214AA) molded plastic; 2. epoxy : UL94V-O rate flame retardant; 3. lead :lead formed for surface mount; 4. polarity : color band denotes cathode end; 5. mounting position : any;  6.weight : 093 gram.
      When rating at 25 °C ambient temperature unless otherwise specified, the maximum ratings of SZ653D - SZ65D0 are as following, 1. DC power dissipation at TL = 75 °C (PD),value=5.0w; 2. maximum forward voltage at IF = 1.0 A, symbol: VF, value=1.2V;3. maximum thermal resistance, junction to ambient , symbol: RJA, value= 90°C/ W; 4. junction temperature range , symbol: TJ, value is from -55  to 150;5.storage temperature range, symbol: Ts, value is from  -55  to 150.Note: TL = Lead temperature at5.0 mm2 ( 0.013 mm thick ) copper land areas.
      When rating at 25 °C ambient temperature unless otherwise specified, 1. type: SZ653D, the nominal zener voltage is 3.3V, 380mA, the maximum zener impedance is 3.0V,400mA, the maximum reverse leakage current is 300, 1.0, the maximum DC zener current is 1440, 20, maximum surge current is 20.