1N5221C~1N5267C Zener diode Features 1. High reliability 2. Very sharp reverse characteristic 3. Low reverse current level 4. VZ-tolerance2% Applications Voltage stabilization Absolute Maximum Ratings Tj=25 Parameter Test Conditions Symbol Value Unit PV 500 mW Z-current IZ PV/VZ mA Junction temperature Tj 200 Tstg -65~+200 Symbol Value Unit RthJA 300 K/W Power dissipation Type Tamb75 Storage temperature range Maximum Thermal Resistance Tj=25 Parameter Junction ambient Test Conditions I=9.5mm(3/8") TL=constant Electrical Characteristics Tj=25 Parameter Forward voltage Test Conditions IF=200mA Type Symbol VF Min Typ Max Unit 1.1 V 1N5221C~1N5267C Type 1) VZnom IZT for rzjT rzjK at IZK IR at VR TKVZ V mA mA A V %/K 1N5221C 2.4 20 <30 <1200 0.25 <100 1.0 <-0.085 1N5222C 2.5 20 <30 <1250 0.25 <100 1.0 <-0.085 1N5223C 2.7 20 <30 <1300 0.25 <75 1.0 <-0.080 1N5224C 2.8 20 <30 <1400 0.25 <75 1.0 <-0.080 1N5225C 3.0 20 <29 <1600 0.25 <50 1.0 <-0.075 1N5226C 3.3 20 <28 <1600 0.25 <25 1.0 <-0.070 1N5227C 3.6 20 <24 <1700 0.25 <15 1.0 <-0.065 1N5228C 3.9 20 <23 <1900 0.25 <10 1.0 <-0.060 1N5229C 4.3 20 <22 <2000 0.25 <5 1.0 <+0.055 1N5230C 4.7 20 <19 <1900 0.25 <5 2.0 <+0.030 1N5231C 5.1 20 <17 <1600 0.25 <5 2.0 <+0.030 1N5232C 5.6 20 <11 <1600 0.25 <5 3.0 <+0.038 1N5233C 6.0 20 <7 <1600 0.25 <5 3.5 <+0.038 1N5234C 6.2 20 <7 <1000 0.25 <5 4.0 <+0.045 1N5235C 6.8 20 <5 <750 0.25 <3 5.0 <+0.050 1N5236C 7.5 20 <6 <500 0.25 <3 6.0 <+0.058 1N5237C 8.2 20 <8 <500 0.25 <3 6.5 <+0.062 1N5238C 8.7 20 <8 <600 0.25 <3 6.5 <+0.065 1N5239C 9.1 20 <10 <600 0.25 <3 7.0 <+0.068 1N5240C 10 20 <17 <600 0.25 <3 8.0 <+0.075 1N5241C 11 20 <22 <600 0.25 <2 8.4 <+0.076 1N5242C 12 20 <30 <600 0.25 <1 9.1 <+0.077 1N5243C 13 9.5 <13 <600 0.25 <0.5 9.9 <+0.079 1N5244C 14 9.0 <15 <600 0.25 <0.1 10 <+0.082 1N5245C 15 8.5 <16 <600 0.25 <0.1 11 <+0.082 1N5246C 16 7.8 <17 <600 0.25 <0.1 12 <+0.083 1N5247C 17 7.4 <19 <600 0.25 <0.1 13 <+0.084 1N5248C 18 7.0 <21 <600 0.25 <0.1 14 <+0.085 1N5249C 19 6.6 <23 <600 0.25 <0.1 15 <+0.086 1N5250C 20 6.2 <25 <600 0.25 <0.1 16 <+0.086 1N5251C 22 5.6 <29 <600 0.25 <0.1 17 <+0.087 1N5252C 24 5.2 <33 <600 0.25 <0.1 18 <+0.088 1N5253C 25 5.0 <35 <600 0.25 <0.1 19 <+0.089 1N5254C 27 4.6 <41 <600 0.25 <0.1 21 <+0.090 1N5255C 28 4.5 <44 <600 0.25 <0.1 21 <+0.091 1N5256C 30 4.2 <49 <600 0.25 <0.1 23 <+0.091 1N5257C 33 3.8 <58 <700 0.25 <0.1 25 <+0.092 1N5258C 36 3.4 <70 <700 0.25 <0.1 27 <+0.093 1N5259C 39 3.2 <80 <800 0.25 <0.1 30 <+0.094 1N5260C 43 3.0 <93 <900 0.25 <0.1 33 <+0.095 1N5261C 47 2.7 <105 <1000 0.25 <0.1 36 <+0.095 1N5262C 51 2.5 <125 <1100 0.25 <0.1 39 <+0.096 1N5263C 56 2.2 <150 <1300 0.25 <0.1 43 <+0.096 1N5264C 60 2.1 <170 <1400 0.25 <0.1 46 <+0.097 1N5265C 62 2.0 <185 <1400 0.25 <0.1 47 <+0.097 1N5266C 68 1.8 <230 <1600 0.25 <0.1 52 <+0.097 1N5267C 75 1.7 <270 <1700 0.25 <0.1 58 <+0.098 1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature(TL)at 30, 9.5mm(3/8") from the diode body. 1N5221C~1N5267C Characteristics (Tj=25 unless otherwise specified) Figure 1. Zener Voltage versus Zener Current - Vz=1 thru 16 Volts Figure 2. Zener Voltage versus Zener Current - Vz=15 thru 30 Volts 1N5221C~1N5267C Figure 3. Zener Voltage versus Zener Current - Vz=30 thru 75 Volts Figure 4. Thermal resistance from junction to ambient as a function of pulse duration 1N5221C~1N5267C Dimensions in mm Cathode identification 0.55 max. Cathode Anode 2.0 max. 26 min. Standard Glass Case JEDEC DO 35 4.2 max. 26 min.