View zmm5225 datasheet:

ZMM5225 THRU ZMM5262 SILICON PLANAR ZENER DIODES Features SiIicon PIanar Zener Diodes Standard Zener voltage tolerance is 20%. Add suffix “A” for 10% tolerance and suffix “B” for 5% tolerance. Other tolerances, non standard and higher Zener voltages upon request. These diodes are also availabel in DO-35 case with the type designation 1N5225 thru 1N5262. These diodes are delivered typed. Details see “Taping”. Weight approx. : 0.13g DIMENSIONS inches mm DIM Note Min. Max. Min. Max. A 0.134 0.142 3.4 3.6 B 0.055 0.059 1.40 1.50 C 0.008 0.016 0.2 0.4 AbsoIute Maximum Ratings (Ta=25 ) SymboIs VaIues Units Zener current see Table "Characteristics" Power dissipation at Tamb=75 Ptot 500 1) mW Junction temperature Tj 175 Storage temperature range TS -65 to +175 Note: (1)