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 Type 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 Tamb75 Power dissipation Storage temperature range Maximum Thermal Resistance Tj=25 Parameter Junction ambient Test Conditions I=9.5mm(3/8") TL=constant Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above the recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions may affect device reliability. Electrical Characteristics Tj=25 Parameter Forward voltage Test Conditions Type IF=200mA Symbol VF Min Typ Max Unit 1.1 V Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 1/5 1N5221C~1N5267C VZnom1) 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, Type 9.5mm(3/8") from the diode body. Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 2/5 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 Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 3/5 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 Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 4/5 1N5221C~1N5267C Dimensions in mm Cathode identification Type No. 0.55 max. 1N 52 Cathode 2.0 max. 26 min. 4.2 max. Anode 26 min. Standard Glass Case JEDEC DO-35 Marking 1N 52 5 0C Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 5/5