BZX79 Series VZ Range: 2.4 to 75 Volts Features The Zener voltages are graded according to the international E 24 standard. Higher Zener voltages and 1% tolerance available on request. Diodes available in these tolerance series: ±2% BZX79-B, ±3% BZX79-F, ±5% BZX79-C. Mechanical Data Case: DO-35 Glass Case Weight: approx. 0.13g Maximum Ratings and Thermal Characteristics (TA=25oC unless otherwise noted) Parameter Symbol Value Unit (1) mW Zener current see table "Characteristics" Power dissipation at Tamb=25oC Junction temperature Ptot 500 Tj -65 to +175 o C o C Storage temperature range TS -65 to +175 Continuous forward current IF 250 Thermal resistance junction to ambient air RθJA Peak reverse power dissipation (non-repetitive) tp=100us square wave PZSM Notes: 0.3 (1) 40 1. Valid provided that leads are kept at ambient temperature at a distance of 8mm from case. 518 mA o C/mW W Zener Diodes Power Dissipation: 500mW Electrical Characteristics (TA=25oC unless otherwise noted) Maximum VF=0.9V at IF=10mA Type number y=B for +2% VZ y=F for +3% VZ y=C for +5% VZ Dynamic resistance at IZ=5mA f=1kHz rz j (Ω Ω) Max. at IZ=1mA f=1kHz rz j (Ω Ω) Max. Temp. coefficient of z ener voltage at IZ=5mA αmvz (% / oC) Min. Max. Reverse leakage current IR (nA) at V R (Volts) Admissible z ener current (2) IZ (mA) Capacitance VR=0 f=1 MHz (pF) Max. Non-Repetitive peak reverse current at tp=100uS IZSM (A) BZX79 - y2V4 100 < 600 - 0.08 - 0.06 50,000 1 167 450 6.0 BZX79 - y2V7 100 < 600 - 0.08 - 0.06 20,000 1 135 450 6.0 BZX79 - y3V0 95 < 600 - 0.08 - 0.06 10,000 1 125 450 6.0 BZX79 - y3V3 95 < 600 - 0.08 - 0.05 5,000 1 115 450 6.0 6.0 BZX79 - y3V6 90 < 600 - 0.08 - 0.04 5,000 1 105 450 BZX79 - y3V9 90 < 600 - 0.07 - 0.03 3,000 1 95 450 6.0 BZX79 - y4V3 90 < 600 - 0.04 - 0.01 3,000 1 90 450 6.0 BZX79 - y4V7 80 500 - 0.03 + 0.01 3,000 1 85 300 6.0 BZX79 - y5V1 60 480 - 0.02 + 0.05 2,000 1 80 300 6.0 BZX79 - y5V6 40 400 - 0.01 + 0.06 1,000 1 70 300 6.0 BZX79 - y6V2 10 150 0 + 0.07 3,000 2 64 200 6.0 BZX79 - y6V8 15 80 + 0.01 + 0.08 2,000 3 58 200 6.0 BZX79 - y7V5 15 80 +0.01 + 0.09 1,000 5 53 150 4.0 4.0 BZX79 - y8V2 15 80 +0.01 + 0.09 700 6 47 150 BZX79 - y9V1 15 100 + 0.02 + 0.10 500 7 43 150 3.0 BZX79 - y10 20 150 + 0.03 + 0.11 200 7.5 40 90 3.0 BZX79 - y11 20 150 + 0.03 + 0.11 100 8.5 36 85 2.5 BZX79 - y12 25 150 + 0.03 + 0.11 100 9 32 85 2.5 BZX79 - y13 30 170 + 0.03 + 0.11 100 10 29 80 2.5 BZX79 - y15 30 200 + 0.03 + 0.11 50 11 27 75 2.0 BZX79 - y16 40 200 + 0.03 + 0.11 50 12 24 75 1.5 BZX79 - y18 45 225 + 0.03 + 0.11 50 14 21 70 1.5 BZX79 - y20 55 225 + 0.03 + 0.11 50 15 20 60 1.5 BZX79 - y22 55 250 + 0.03 + 0.11 50 17 18 60 1.3 + 0.04 + 0.12 50 18 16 55 1.3 BZX79 - y27 BZX79 - y24 80 (3) 300 (4) + 0.04 (3) + 0.12 50 20 14 50 1.0 BZX79 - y30 80 (3) 300 (4) + 0.04 (3) + 0.12 50 22 13 50 1.0 BZX79 - y33 80 (3) 325 (4) + 0.04 (3) + 0.12 50 24 12 45 0.9 BZX79 - y36 90 (3) 350 (4) + 0.04 (3) + 0.12 50 27 11 45 0.8 BZX79 - y39 130 (3) 350 (4) + 0.04 (3) + 0.12 50 28 10 45 0.7 BZX79 - y43 150 (3) 375 (4) + 0.04 (3) + 0.12 50 32 9.2 40 0.6 BZX79 - y47 170 (3) 375 (4) + 0.04 (3) + 0.12 50 35 8.5 40 0.5 BZX79 - y51 180 (3) 400 (4) + 0.04 (3) + 0.12 50 38 7.8 40 0.4 BZX79 - y56 200 (3) 425 (4) typ. +0.1 (3) 50 39 7.1 40 0.3 BZX79 - y62 215 (3) 450 (4) typ. +0.1 (3) 50 43 6.4 35 0.3 BZX79 - y68 240 (3) 475 (4) typ. +0.1 (3) 50 48 5.8 35 0.3 BZX79 - y75 255 (3) 500 (4) typ. +0.1 (3) 50 53 5.3 35 0.2 Notes: 70 250 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. at IZ=2.0 mA 4. at IZ=0.5 mA y = Zener voltage tolerance designator 519 Electrical Characteristics (TA=25oC unless otherwise noted) Maximum VF=0.9V at IF=10mA (1) Zener voltage range at IZ=5mA VZ (Volts) Type number + 5% Tol. (1) Zener voltage range at IZ=5mA VZ (Volts) (1) Zener voltage range at IZ=5mA VZ (Volts) Min. Max. Type number + 3% Tol. Min. Max. Type number + 2% Tol. BZX79-C2V4 2.20 2.60 BZX79-F2V4 2.33 2.47 BZX79-B2V4 2.35 2.45 BZX79-C2V7 2.50 2.90 BZX79-F2V7 2.62 2.78 BZX79-B2V7 2.65 2.75 BZX79-C3V0 2.80 3.20 BZX79-F3V0 2.91 3.09 BZX79-B3V0 2.94 3.06 BZX79-C3V3 3.10 3.50 BZX79-F3V3 3.20 3.40 BZX79-B3V3 3.23 3.37 BZX79-C3V6 3.40 3.80 BZX79-F3V6 3.49 3.71 BZX79-B3V6 3.53 3.67 BZX79-C3V9 3.70 4.10 BZX79-F3V9 3.78 4.02 BZX79-B3V9 3.82 3.98 Min. Max. BZX79-C4V3 4.00 4.60 BZX79-F4V3 4.17 4.43 BZX79-B4V3 4.21 4.39 BZX79-C4V7 4.40 5.00 BZX79-F4V7 4.56 4.84 BZX79-B4V7 4.61 4.79 BZX79-C5V1 4.80 5.40 BZX79-F5V1 4.95 5.25 BZX79-B5V1 5.00 5.20 BZX79-C5V6 5.20 6.00 BZX79-F5V6 5.43 5.77 BZX79-B5V6 5.49 5.71 BZX79-C6V2 5.80 6.60 BZX79-F6V2 6.01 6.39 BZX79-B6V2 6.08 6.32 BZX79-C6V8 6.40 7.20 BZX79-F6V8 6.60 7.00 BZX79-B6V8 6.66 6.94 BZX79-C7V5 7.00 7.90 BZX79-F7V5 7.28 7.72 BZX79-B7V5 7.35 7.65 8.36 BZX79-C8V2 7.70 8.70 BZX79-F8V2 7.95 8.45 BZX79-B8V2 8.04 BZX79-C9V1 8.50 9.60 BZX79-F9V1 8.83 9.37 BZX79-B9V1 8.92 9.28 BZX79-C10 9.40 10.60 BZX79-F10 9.70 10.30 BZX79-B10 9.80 10.20 BZX79-C11 10.40 11.60 BZX79-F11 10.67 11.33 BZX79-B11 10.80 11.20 BZX79-C12 11.40 12.70 BZX79-F12 11.64 12.36 BZX79-B12 11.80 12.20 BZX79-C13 12.40 14.10 BZX79-F13 12.61 13.39 BZX79-B13 12.70 13.30 BZX79-C15 13.80 15.60 BZX79-F15 14.55 15.45 BZX79-B15 14.70 15.30 BZX79-C16 15.30 17.10 BZX79-F16 15.50 16.50 BZX79-B16 15.70 16.30 BZX79-C18 16.80 19.10 BZX79-F18 17.50 18.50 BZX79-B18 17.60 18.40 BZX79-C20 18.80 21.20 BZX79-F20 19.40 20.60 BZX79-B20 19.60 20.40 22.40 BZX79-C22 20.80 23.30 BZX79-F22 21.30 22.70 BZX79-B22 21.60 BZX79-C24 22.80 25.60 BZX79-F24 23.30 24.70 BZX79-B24 23.50 BZX79-C27 25.10 28.90 (3) BZX79-F27 26.20 27.80 (3) BZX79-B27 26.50 27.50 (3) BZX79-C30 28.00 32.00 (3) BZX79-F30 29.10 30.90 (3) BZX79-B30 29.40 30.60 (3) BZX79-C33 31.00 35.00 (3) BZX79-F33 32.00 34.00 (3) BZX79-B33 32.30 33.70 (3) 38.00 (3) 37.10 (3) BZX79-B36 35.30 36.70 (3) BZX79-C36 34.00 BZX79-F36 34.90 24.50 BZX79-C39 37.00 41.00 (3) BZX79-F39 37.80 40.20 (3) BZX79-B39 38.20 39.80 (3) BZX79-C43 40.00 46.00 (3) BZX79-F43 41.70 44.30 (3) BZX79-B43 42.10 43.90 (3) BZX79-C47 44.00 50.00 (3) BZX79-F47 45.60 48.40 (3) BZX79-B47 46.10 47.90 (3) BZX79-C51 48.00 54.00 (3) BZX79-F51 49.50 52.50 (3) BZX79-B51 50.00 52.00 (3) BZX79-C56 52.00 60.00 (3) BZX79-F56 54.30 57.70 (3) BZX79-B56 54.90 57.10 (3) BZX79-C62 58.00 66.00 (3) BZX79-F62 60.10 63.90 (3) BZX79-B62 60.80 63.20 (3) BZX79-F68 66.00 70.00 (3) BZX79-B68 66.60 69.40 (3) BZX79-F75 72.80 77.20 (3) BZX79-B75 73.50 76.50 (3) BZX79-C68 64.00 72.00 (3) BZX79-C75 70.00 79.00 (3) Notes: 1. Tested with pulses tp=5ms 2. Valid provided that electrodes are kept at ambient temperature 3. at IZ=2.0 mA See BZX79-y table for all characteristics other than zener voltage range. 520 RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 521 RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 522 RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 523 RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 524