BZX85B51

BZX85-Series Vishay Semiconductors Zener Diodes Features • Silicon Planar Power Zener Diodes • For use in stabilizing and clipping circuits e2 with high power rating • The Zener voltages are graded according to the international E 24 standard. Replace suffix "C" with "B" for ± 2 % tolerance • Lead (Pb)-free component • Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC 17173 Applications • Voltage stabilization Mechanical Data Case: DO41 Glass case Weight: approx. 310 mg Cathode Band Color: black Packaging Codes/Options: TR/5 k per 13" reel (52 mm tape), 25 k/box TAP/5 k per ammo pack (52 mm tape), 25 k/box Absolute Maximum Ratings Tamb = 25 °C, unless otherwise specified Parameter Zener current (see Table "Electrical Characteristics") Power dissipation 1) Test condition Symbol Value Unit Ptot 1.31) W Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature Thermal Characteristics Tamb = 25 °C, unless otherwise specified Parameter Thermal resistance junction to ambient air Junction temperature Storage temperature 1) Test condition Symbol RthJA Tj Tstg Value 1101) 175 - 55 to + 175 Unit K/W °C °C Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature Document Number 85607 Rev. 1.8, 31-May-07 www.vishay.com 1 BZX85-Series Vishay Semiconductors Electrical Characteristics Partnumber Zener Voltage Range 1) Dynamic Resistance Temperature Coefficient of Zener Voltage at IZK mA min < 20 < 20 < 20 < 20 < 15 < 13 < 13 < 10