1N4954-1N4996 5 WATT GLASS ZENER DIODE High-reliability discrete products and engineering services since 1977 FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Operating Temperature: -65 to +175°C Storage Temperature: -65 to +175°C Power Dissipation: 5 Watts @ TL = 65°C at 3/8” from body, derate linearly to zero @ 175°C. Thermal Resistance: 22°C/W junction to lead at 3/8” from body Thermal Impedance @ 10ms: 1.8°C/W Forward Voltage: 1.50 V @ 1.0A ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Electrical Specifications @ 25°C Type Nominal Zener Voltage VZ @ IZT Test Current IZT Maximum Zener Impedance ZZ @ IZT ZZK @ IZK 1mA Voltage Regulation VZ (note 1) Maximum Ratings Maximum Reverse Leakage Current Voltage IR VR Maximum Temperature Coeff. αVz @ IZT Maximum Continuous Current IZM Surge Current IZSM 8.3ms square wave Volts mA OHMS OHMS Volts µA Volts %/°C mA Amps 1N4954 6.8 175 1.0 1000 0.7 150 5.2 .05 700 29.3 1N4955 7.5 175 1.5 800 0.7 100 5.7 .06 630 26.4 1N4956 8.2 150 1.5 600 0.7 50 6.2 .06 580 24.0 1N4957 9.1 150 2.0 400 0.7 25 6.9 .06 520 22.0 1N4958 10.0 125 2.0 125 0.8 25 7.6 .07 475 20.0 1N4959 11.0 125 2.5 130 0.8 10 8.4 .07 430 19.0 1N4960 12.0 100 2.5 140 0.8 10 9.1 .07 395 18.0 1N4961 13.0 100 3.0 145 0.9 10 9.9 .08 365 16.0 1N4962 15.0 75 3.5 150 1.0 5 11.4 .08 315 12.0 1N4963 16.0 75 3.5 155 1.1 5 12.2 .08 294 10.0 1N4964 18.0 65 4.0 160 1.2 5 13.7 .085 264 9.0 1N4965 20.0 65 4.5 165 1.5 2 15.2 .085 237 8.0 1N4966 22.0 50 5.0 170 1.8 2 16.7 .085 216 7.0 1N4967 24.0 50 5.0 175 2.0 2 18.2 .090 198 6.5 1N4968 27.0 50 6.0 180 2.0 2 20.6 .090 176 6.0 1N4969 30.0 40 8 190 2.5 2 22.8 .090 158 5.5 1N4970 33.0 40 10 200 2.8 2 25.1 .095 144 5.0 1N4971 36.0 30 11 220 3.0 2 27.4 .095 132 4.5 1N4972 39.0 30 14 230 3.0 2 29.7 .095 122 4.0 1N4973 43.0 30 20 240 3.3 2 32.7 .095 110 3.5 1N4974 47.0 25 25 250 3.5 2 35.8 .095 100 3.2 1N4975 51.0 25 27 270 4.0 2 38.8 .095 92 3.0 Rev. 20120710 1N4954-1N4996 5 WATT GLASS ZENER DIODE High-reliability discrete products and engineering services since 1977 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Electrical Specifications @ 25°C Type Nominal Zener Voltage VZ @ IZT Test Current IZT Maximum Zener Impedance ZZ @ IZT ZZK @ IZK 1mA Voltage Regulation VZ (note 1) Maximum Ratings Maximum Reverse Leakage Current Voltage IR VR Maximum Temperature Coeff. αVz @ IZT Maximum Continuous Current IZM Surge Current IZSM 8.3ms square wave Volts mA OHMS OHMS Volts µA Volts %/°C mA Amps 1N4976 56.0 20 35 320 4.4 2 42.6 .095 84 2.8 1N4977 62.0 20 42 400 5.0 2 47.1 .100 76 2.5 1N4978 68.0 20 50 500 5.5 2 51.7 .100 70 2.2 1N4979 75.0 20 55 620 6.0 2 56.0 .100 63.0 2.0 1N4980 82.0 15 80 720 6.6 2 62.2 .100 58.0 1.8 1N4981 91.0 15 90 760 7.5 2 69.2 .100 52.5 1.6 1N4982 100.0 12 110 800 8.0 2 76.0 .100 47.5 1.4 1N4983 110.0 12 125 1000 9.0 2 83.6 .100 43.0 1.2 1N4984 120.0 10 170 1150 10 2 91.2 .100 39.5 1.00 1N4985 130.0 10 190 1250 11 2 98.8 .105 36.6 0.80 1N4986 150.0 8 330 1500 13 2 114.0 .105 31.6 0.75 1N4987 160.0 8 350 1650 14 2 121.6 .105 29.4 0.70 1N4988 180.0 5 450 1750 16 2 136.8 .110 26.4 0.60 1N4989 200.0 5 500 1850 18 2 152 .110 23.6 0.50 1N4990 220.0 5 550 2000 19 2 167 .115 21.6 0.50 1N4991 240.0 5 650 2050 22 2 182 .115 19.8 0.40 1N4992 270.0 5 800 2100 25 2 206 .120 17.5 0.35 1N4993 300.0 4 950 2150 28 2 228 .120 15.6 0.30 1N4994 330.0 4 1175 2200 32 2 251 .120 14.4 0.25 1N4995 360.0 3 1400 2300 35 2 274 .120 13.0 0.22 1N4996 390.0 3 1800 2500 40 2 297 .120 12.0 0.20 Standard voltage tolerances are ±5% with no suffix, suffix C ±2% and D suffix is ±1%. Note 1: Maximum voltage change ΔVZ between 10% of IZM and 50% of IZM. Rev. 20120710 High-reliability discrete products and engineering services since 1977 1N4954-1N4996 5 WATT GLASS ZENER DIODE MECHANICAL CHARACTERISTICS Case: Digi F Marking: Body painted, alpha-numeric Polarity: Cathode band Rev. 20120710 High-reliability discrete products and engineering services since 1977 1N4954-1N4996 5 WATT GLASS ZENER DIODE Rev. 20120710