1N2991B

Naina Semiconductor Ltd. emiconductor Zener Diodes Electrical Characteristics (TC = 25OC unless otherwise specified) unless Nominal Zener Voltage VZ@IZT (Volts) 6.8 7.5 8.2 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 30 33 36 39 43 45 47 50 51 52 56 62 68 75 82 91 100 105 110 120 130 140 150 160 175 180 200 Zener Test Current IZT (mA) 370 335 305 275 250 230 210 190 180 170 155 145 140 130 125 115 105 100 95 85 75 70 65 60 55 55 50 50 50 45 40 37 33 30 28 25 25 23 20 19 18 17 16 14 14 12 Max Zener Impedance ZZT@IZT (Ohms) 1.2 1.3 1.5 2.0 3 3 3 3 3 3 4 4 4 4 4 5 5 6 7 8 9 10 11 12 13 14 15 15 15 16 17 18 22 25 35 40 45 55 75 100 125 175 200 250 260 300 ZZK@1mA(IZK) (Ohms) 500 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 300 300 300 300 400 400 400 500 500 500 500 600 600 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1750 1850 2000 Max DC Zener Current IZM@75OC (mA) 1320 1180 1040 960 860 780 720 660 600 560 530 500 460 440 420 380 350 310 300 280 260 230 210 195 185 175 165 160 160 150 130 120 110 100 85 80 75 72 67 62 58 54 50 46 45 40 1N2970 1N2970 to 1N3015 Type number Typical Temp. Coeff. aVZ (%/ (%/OC) 0.040 0.045 0.045 0.048 0.048 0.051 0.051 0.055 0.055 0.060 0.060 0.065 0.065 0.065 0.070 0.070 0.070 0.070 0.070 0.070 0.075 0.075 0.075 0.075 0.075 0.075 0.075 0.080 0.080 0.080 0.080 0.080 0.080 0.085 0.085 0.085 0.085 0.085 0.085 0.085 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.090 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.100 0.100 Max Reverse Current IR ( A) 150 100 50 25 25 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 VR (Volts) 5.2 5.7 6.2 6.9 7.6 8.4 9.1 9.9 10.5 11.4 12.2 13.0 13.7 14.0 15.2 16.7 18.2 18.2 20.6 22.8 25.1 27.4 29.7 32.7 33.0 35.8 36.0 38.8 39.0 42.6 47.1 51.7 56.0 62.2 69.2 76.0 76.0 83.6 91.2 98.8 100.0 114.0 121.6 135.0 136.8 152.0 1N2970B 1N2971B 1N2972B 1N2973B 1N2974B 1N2975B 1N2976B 1N2977B 1N2978B 1N2979B 1N2980B 1N2981B 1N2982B 1N2983B 1N2984B 1N2985B 1N2986B 1N2987B 1N2988B 1N2989B 1N2990B 1N2991B 1N2992B 1N2993B 1N2994B 1N2995B 1N2996B 1N2997B 1N2998B 1N2999B 1N3000B 1N3001B 1N3002B 1N3003B 1N3004B 1N3005B 1N3006B 1N3007B 1N3008B 1N3009B 1N3010B 1N3011B 1N3012B 1N3013B 1N3014B 1N3015B All devices are rated at 10W Zener impedance is derived from 60Hz AC voltage which results when AC current RMS value (which equals 10% of the DC zener current) is superimposed on IZ • Zener impedance is measured at two points on the reverse breakdown curve • IZM values are derived for a ±5% VZ tolerance Standard voltage tolerances are ±5% (B suffix), ±10% (A suffix) & ±20% (no suffix) • • 1 D-95, Sector 63, Noida – 201301, India • Tel: 0120-4205450 • Fax: 0120-4273653 4205450 sales@nainasemi.com • www.nainasemi.com sales@nainasemi.com