BZX55B56

BZX55-Series Vishay Semiconductors Small Signal Zener Diodes Features • • • • • • • Very sharp reverse characteristic Low reverse current level e2 Very high stability Low noise Available with tighter tolerances Lead (Pb)-free component Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC 94 9367 Applications • Voltage stabilization Mechanical Data Case: DO35 glass case Weight: approx. 125 mg Cathode Band Color: black Packaging Codes/Options: TR/10 k per 13" reel, 30 k/box TAP/10 k per ammopack (52 mm tape), 30 k/box Absolute Maximum Ratings Tamb = 25 °C, unless otherwise specified Parameter Power dissipation Z-current Test condition l = 4 mm, TL = 25 °C Symbol Ptot IZ Value 500 Ptot/VZ Unit mW mA Thermal Characteristics Tamb = 25 °C, unless otherwise specified Parameter Thermal resistance junction to ambient air Junction temperature Storage temperature range Test condition l = 4 mm, TL = constant Symbol RthJA Tj Tstg Value 300 175 - 65 to + 175 Unit K/W °C °C Electrical Characteristics Tamb = 25 °C, unless otherwise specified Parameter Forward voltage Test condition IF = 200 mA Symbol VF Min Typ. Max 1.5 Unit V Document Number 85604 Rev. 1.5, 05-Jul-07 www.vishay.com 1 BZX55-Series Vishay Semiconductors Electrical Characteristics BZX55C.. Partnumber Zener Voltage Range VZ at IZT Dynamic Resistance rzjT at rzjK at IZT, IZK, f = 1 kHz f = 1 kHz Ω max 2.56 2.9 3.2 3.5 3.8 4.1 4.6 5 5.4 6 6.6 7.2 7.9 8.7 9.6 10.6 11.6 12.7 14.1 15.6 17.1 19.1 21.2 23.3 25.6 28.9 32 35 38 41 46 50 54 60 66 72 79 < 85 < 85 < 85 < 85 < 85 < 85 < 75 < 60 < 35 < 25 < 10