Semtech Corporation BZX79B
Silicon Planar Zener Diodes
FEATURES
● Zener Voltage Tolerance ± 2% Max. 0.5 Max. 1.9 Min. 27.5 Black Cathode Band Black Part No. Black "ST" Brand XXX ST Max. 3.9 Min. 27.5 Glass Case DO-35 Dimensions in mmABSOLUTE MAXIMUM RATINGS
(Ta = 25 OC) Parameter Symbol Value Continuous Forward Current Power Dissipation Junction Temperature Storage Temperature Range IF 250 Ptot 500 1) Tj 175 Tstg - 55 to + 175 1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. Unit mA mW OC OC Characteristics at Ta = 25 OC Parameter Symbol Max. Thermal Resistance Junction to Ambient Air RthA 0.3 1) Forward Voltage at IF = 100 mA VF 1.5 1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. Unit K/mW V SEMTECH ELECTRONICS LTD. Subsidiary of Sino-Tech International (BVI) Limited ® Dated : 10/09/2009 BZX79B Characteristics at Ta = 25 OC Zener Voltage Range 1) Type VZT Min. (V) Max. (V) at