BZT55C20

TELEFUNKEN Semiconductors BZT55C... Silicon Epitaxial Planar Z–Diodes Features D Very sharp reverse characteristic D Low reverse current level D Very high stability D Low noise D Available with tighter tolerances Applications Voltage stabilization 94 9373 Absolute Maximum Ratings Tj = 25_C Parameter Power dissipation Z–current Junction temperature Storage temperature range Test Conditions RthJAx300K/W Type Symbol PV IZ Tj Tstg Value 500 PV/VZ 175 –65...+175 Unit mW mA °C °C Maximum Thermal Resistance Tj = 25_C Parameter Junction ambient Test Conditions on PC board 50mmx50mmx1.6mm Symbol RthJA Value 500 Unit K/W Characteristics Tj = 25_C Parameter Forward voltage Test Conditions IF=200mA Type Symbol VF Min Typ Max 1.5 Unit V Rev. A1: 12.12.1994 1 BZT55C... Type BZT55C... 2V4 2V7 3V0 3V3 3V6 3V9 4V3 4V7 5V1 5V6 6V2 6V8 7V5 8V2 9V1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 1) TELEFUNKEN Semiconductors rzjk at W < 600 < 600 < 600 < 600 < 600 < 600 < 600 < 600 < 550 < 450 < 200 < 150 < 50 < 50 < 50 < 70 < 70 < 90 < 110 < 110 < 170 < 170 < 220 < 220 < 220 < 220 < 220 < 220 < 220 < 500 < 600 < 700 < 700 < 1000 < 1000 < 1000 < 1500 2) VZnorm V 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 IZT for VZT 1) and rzjT mA V W 5 2.28 to 2.56 < 85 5 2.5 to 2.9 < 85 5 2.8 to 3.2 < 90 5 3.1 to 3.5 < 90 5 3.4 to 3.8 < 90 5 3.7 to 4.1 < 90 5 4.0 to 4.6 < 90 5 4.4 to 5.0 < 80 5 4.8 to 5.4 < 60 5 5.2 to 6.0 < 40 5 5.8 to 6.6 < 10 5 6.4 to 7.2