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NTE5240A thru NTE5296A 50 Watt Zener Diodes 5% Tolerance
Features: D Zener Voltage 3.9 to 200V D Low Zener Impedance D Highly Reliable and Rugged D Also Available in Reverse Polarity (NTE5240AK thru NTE5296AK) Maximum Ratings: Operating Junction Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +175C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +175C DC Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50W Derate Above 75C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5W/C Forward Voltage (IF = 10A), VF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5V Note 1. Suffix "A" denotes anode to case polarity, "AK" denotes cathode to case. Electrical Characteristics: (TC = +30C, unless otherwise specified)
Nominal Zener Voltage Vz @ Izt (Note 2) Volts 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 Zener Test Current (Izt) mA 3200 2900 2650 2450 2250 2125 2000 1850 1700 1500 Maximum Dynamic Impedance (Note 3) Zzt @ Izt Ohms 0.16 0.16 0.12 0.12 0.12 0.13 0.14 0.20 0.30 0.40 Zzk @ 1mA (Izk) Ohms 400 500 600 650 900 950 1000 70 70 70 Maximum DC Zener Current (Izm) mA 11900 10650 9700 8900 8100 7700 7300 6600 5900 5200 Typical Temperature Coefficient vz %/C -0.046 -0.033 -0.015 0.010 +0.030 +0.040 +0.049 0.040 0.045 0.048 Maximum Leakage Current IR @ VR A Volts 150 150 100 20 29 20 20 300 125 50 0.5 0.5 1.0 1.0 1.0 1.5 2.0 4.5 5.0 5.4
NTE Type Number NTE5240A NTE5241A NTE5242A NTE5243A NTE5244A NTE5245A NTE5246A NTE5247A NTE5248A NTE5249A
Electrical Characteristics (Cont'd): (TC = +30C, unless otherwise specified)
Nominal Zener Voltage Vz @ Izt (Note 2) Volts 8.7 9.1 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 22.0 24.0 25.0 27.0 28.0 30.0 33.0 36.0 39.0 43.0 45.0 47.0 50.0 51.0 52.0 56.0 60.0 62.0 68.0 Zener Test Current (Izt) mA 1435 1370 1200 1100 1000 960 890 835 780 740 700 660 630 570 520 500 460 440 420 380 350 320 290 280 270 250 245 240 220 210 200 180 Maximum Dynamic Impedance (Note 3) Zzt @ Izt Ohms 0.45 0.50 0.60 0.80 1.00 1.10 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.50 2.60 2.70 2.80 2.90 3.00 3.20 3.50 4.00 4.50 4.50 5.00 5.00 5.20 5.50 6.00 6.50 7.00 8.00 Zzk @ 1mA (Izk) Ohms 70 70 80 80 80 80 80 80 80 80 80 80 80 80 80 90 90 90 90 90 90 90 90 100 100 100 100 100 110 115 120 140 Maximum DC Zener Current (Izm) mA 5000 4800 4300 3900 3800 3300 3000 2825 2650 2500 2300 2200 2100 1900 1750 1550 1500 1450 1400 1300 1150 1050 975 930 880 830 810 790 740 700 660 600 Typical Temperature Coefficient vz %/C 0.049 0.050 0.055 0.060 0.065 0.065 0.070 0.070 0.070 0.075 0.075 0.075 0.075 0.080 0.080 0.080 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 Maximum Leakage Current IR @ VR A Volts 37 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 5.7 6.1 6.7 8.4 9.1 9.9 11.4 11.8 12.2 13.0 13.7 13.7 15.2 16.7 18.2 18.2 20.6 21.7 22.8 25.1 27.4 29.7 32.7 32.7 35.8 38.8 38.8 42.6 42.6 44.8 47.1 51.7
NTE Type Number NTE5250A NTE5251A NTE5252A NTE5253A NTE5254A NTE5255A NTE5256A NTE5257A NTE5258A NTE5259A NTE5260A NTE5261A NTE5262A NTE5263A NTE5264A NTE5265A NTE5266A NTE5267A NTE5268A NTE5269A NTE5270A NTE5271A NTE5272A NTE5273A NTE5274A NTE5275A NTE5276A NTE5277A NTE5278A NTE5279A NTE5280A NTE5281A
Electrical Characteristics (Cont'd): (TC = +30C, unless otherwise specified)
Nominal Zener Voltage Vz @ Izt (Note 2) Volts 75.0 82.0 91.0 100.0 105.0 110.0 120.0 130.0 140.0 150.0 160.0 175.0 180.0 190.0 200.0 Zener Test Current (Izt) mA 170 150 140 120 120 110 100 95 90 85 80 70 68 66 65 Maximum Dynamic Impedance (Note 3) Zzt @ Izt Ohms 9.00 11.00 15.00 20.00 25.00 30.00 40.00 50.00 60.00 75.00 80.00 85.00 90.00 95.00 100.00 Zzk @ 1mA (Izk) Ohms 150 160 180 200 210 220 240 275 325 400 450 500 525 561 600 Maximum DC Zener Current (Izm) mA 540 490 420 400 380 365 335 310 290 270 250 230 220 210 200 Typical Temperature Coefficient vz %/C 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 0.098 0.100 Maximum Leakage Current IR @ VR A Volts 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 56.0 62.2 69.2 76.0 83.0 83.0 91.2 99.8 114.0 114.0 121.6 121.6 136.8 144.4 152.0
NTE Type Number NTE5282A NTE5283A NTE5284A NTE5285A NTE5286A NTE5287A NTE5288A NTE5289A NTE5290A NTE5291A NTE5292A NTE5293A NTE5294A NTE5295A NTE5296A
Note 2. Zener Voltage (Vz) is measured with junction in thermal equilibrium with 30C stud temperature. Note 3.The zener impedance is derived from the 60 cycle A.C. voltage, which results when an AC current having an RMS value equal to 10% of the DC zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at 2 points to insure a sharp knee on the breakdown curve and to eliminate unstable units.
.687 (17.4) Max
.667 (16.9) Dia Max .375 (9.55) Max
1.288 (32.71) Max .450 (11.4) Max .453 (11.5) Max
.140 (3.65) Dia Max
.200 (5.08) Max
1/4-28 UNF-2A

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