BZX79B Series ZENER DIODES DO - 35 Glass (DO-204AH) VZ : 2.4 to 75V PD : 500mW FEATURES : 1.00 (25.4) min. 0.079(2.0 )max. • Higher zener voltages available on request. • Standard zener voltage tolerance is ± 2% • Other tolerances are available upon request. • Pb / RoHS Free 0.150 (3.8) max. Cathode Mark 1.00 (25.4) min. 0.020 (0.52)max. MECHANICAL DATA : Case: DO-35 Glass Case Weight: approx. 0.13g Dimensions in inches and ( millimeters ) Maximum Ratings and Thermal Characteristics Rating at 25 °C ambient temperature unless otherwise specified. Parameter Symbol Value Forward Voltage at IF = 10 mA. VF 0.9 Power Dissipation at TL = 25°C PD Unit Zener Current see Table "Characteristics" 500 (1) V mW RθJA 300(1) °C/W IF 250 mA PZSM 40 W Junction temperature TJ -65 to + 200 °C Storage temperature range TS -65 to + 200 °C Thermal Resistance Junction to Ambient Air Continuous Forward Current Peak reverse power dissipation (non-repetitive) tp = 100µs square wave Notes: (1) Valid provided that leads at a distance of 3/8” from case are kept at ambient temperature. Page 1 of 2 Rev. 02 : March 25, 2005 ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified Type Zener Voltage Maximum Zener VZ @ IZT Impedance , f = 1kHz Maximum Reverse Temp. coefficient Leakage Current Admissible of Zener Voltage Zener Current Maximum Capacitance BZX79B2V4 Nom1) (V) 2.4 BZX79B2V7 2.7 5 100 600 1 20 1 -0.08...-0.06 135 450 BZX79B3V0 3.0 5 95 600 1 10 1 -0.08...-0.05 125 450 BZX79B3V3 3.3 5 95 600 1 5 1 -0.08...-0.05 115 450 BZX79B3V6 3.6 5 90 600 1 5 1 -0.08...-0.04 105 450 BZX79B3V9 3.9 5 90 600 1 3 1 -0.07...-0.03 95 450 BZX79B4V3 4.3 5 90 600 1 3 1 -0.04...-0.01 90 450 BZX79B4V7 4.7 5 80 500 1 3 1 -0.03...+0.01 85 300 BZX79B5V1 5.1 5 60 480 1 2 1 -0.02...+0.05 80 300 BZX79B5V6 5.6 5 40 400 1 1 1 -0.01...+0.06 70 300 BZX79B6V2 6.2 5 10 150 1 3 2 0.00...0.07 64 200 BZX79B6V8 6.8 5 15 80 1 2 3 0.01...0.08 58 200 BZX79B7V5 7.5 5 15 80 1 1 5 0.01...0.09 53 150 BZX79B8V2 8.2 5 15 80 1 0.7 6 0.01...0.09 47 150 BZX79B9V1 9.1 5 15 100 1 0.5 7 0.02...0.10 43 150 BZX79B10 10 5 20 150 1 0.2 7.5 0.03...0.11 40 90 BZX79B11 11 5 20 150 1 0.1 8.5 0.03...0.11 36 85 BZX79B12 12 5 25 150 1 0.1 9 0.03...0.11 32 85 BZX79B13 13 5 30 170 1 0.1 10 0.03...0.11 29 80 BZX79B15 15 5 30 200 1 0.05 11 0.03...0.11 27 75 BZX79B16 16 5 40 200 1 0.05 12 0.03...0.11 24 75 BZX79B18 18 5 45 225 1 0.05 14 0.03...0.11 21 70 BZX79B20 20 5 55 225 1 0.05 15 0.03...0.11 20 60 BZX79B22 22 5 55 250 1 0.05 17 0.03...0.11 18 60 BZX79B24 24 5 70 250 1 0.05 18 0.04...0.12 16 55 BZX79B27 27 2 80 300 0.5 0.05 20 0.04...0.12 14 50 BZX79B30 30 2 80 300 0.5 0.05 22 0.04...0.12 13 50 BZX79B33 33 2 80 325 0.5 0.05 24 0.04...0.12 12 45 BZX79B36 36 2 90 350 0.5 0.05 27 0.04...0.12 11 45 BZX79B39 39 2 130 350 0.5 0.05 28 0.04...0.12 10 45 BZX79B43 43 2 150 375 0.5 0.05 32 0.04...0.12 9.2 40 BZX79B47 47 2 170 375 0.5 0.05 35 0.04...0.12 8.5 40 BZX79B51 51 2 180 400 0.5 0.05 38 0.04...0.12 7.8 40 BZX79B56 56 2 200 425 0.5 0.05 39 0.1(typ.) 7.1 40 BZX79B62 62 2 215 450 0.5 0.05 43 0.1(typ.) 6.4 35 BZX79B68 68 2 240 475 0.5 0.05 48 0.1(typ.) 5.8 35 BZX79B75 75 2 255 500 0.5 0.05 53 0.1(typ.) 5.3 35 Number IZT ZZT @ IZT ZZk @ IZK IZK (mA) (Ohms) (Ohms) (mA) 5 100 600 1 IR (µA) 50 at VR (V) 1 αmvz(% / °C) -0.08...-0.06 IZ (mA) 167 VR=0, f=1MHz (pF) 450 Notes (1) Tested with pulses tp = 5 ms (2) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. (3) The type number listed have a standard tolerance on the nominal zener voltage of ± 2.0%. Page 2 of 2 Rev. 02 : March 25, 2005