DL5221B~DL5271B Zener diode Features 1. High reliability 2. Very sharp reverse characteristic 3. Low reverse current level 4. VZ-tolerance5% 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 DL5221B~DL5271B VZnom1) IZT for rzjT rzjK at IZK IR at VR V mA mA A V DL5221B 2.4 20 <30 <1200 0.25 <100 1.0 DL5222B 2.5 20 <30 <1250 0.25 <100 1.0 DL5223B 2.7 20 <30 <1300 0.25 <75 1.0 DL5224B 2.8 20 <30 <1400 0.25 <75 1.0 DL5225B 3.0 20 <29 <1600 0.25 <50 1.0 DL5226B 3.3 20 <28 <1600 0.25 <25 1.0 DL5227B 3.6 20 <24 <1700 0.25 <15 1.0 DL5228B 3.9 20 <23 <1900 0.25 <10 1.0 DL5229B 4.3 20 <22 <2000 0.25 <5 1.0 DL5230B 4.7 20 <19 <1900 0.25 <5 2.0 DL5231B 5.1 20 <17 <1600 0.25 <5 2.0 DL5232B 5.6 20 <11 <1600 0.25 <5 3.0 DL5233B 6.0 20 <7 <1600 0.25 <5 3.5 DL5234B 6.2 20 <7 <1000 0.25 <5 4.0 DL5235B 6.8 20 <5 <750 0.25 <3 5.0 DL5236B 7.5 20 <6 <500 0.25 <3 6.0 DL5237B 8.2 20 <8 <500 0.25 <3 6.5 DL5238B 8.7 20 <8 <600 0.25 <3 6.5 DL5239B 9.1 20 <10 <600 0.25 <3 7.0 DL5240B 10 20 <17 <600 0.25 <3 8.0 DL5241B 11 20 <22 <600 0.25 <2 8.4 DL5242B 12 20 <30 <600 0.25 <1 9.1 DL5243B 13 9.5 <13 <600 0.25 <0.5 9.9 DL5244B 14 9.0 <15 <600 0.25 <0.1 10 DL5245B 15 8.5 <16 <600 0.25 <0.1 11 DL5246B 16 7.8 <17 <600 0.25 <0.1 12 DL5247B 17 7.4 <19 <600 0.25 <0.1 13 DL5248B 18 7.0 <21 <600 0.25 <0.1 14 DL5249B 19 6.6 <23 <600 0.25 <0.1 15 DL5250B 20 6.2 <25 <600 0.25 <0.1 16 DL5251B 22 5.6 <29 <600 0.25 <0.1 17 DL5252B 24 5.2 <33 <600 0.25 <0.1 18 DL5253B 25 5.0 <35 <600 0.25 <0.1 19 DL5254B 27 4.6 <41 <600 0.25 <0.1 21 DL5255B 28 4.5 <44 <600 0.25 <0.1 21 DL5256B 30 4.2 <49 <600 0.25 <0.1 23 DL5257B 33 3.8 <58 <700 0.25 <0.1 25 DL5258B 36 3.4 <70 <700 0.25 <0.1 27 DL5259B 39 3.2 <80 <800 0.25 <0.1 30 DL5260B 43 3.0 <93 <900 0.25 <0.1 33 DL5261B 47 2.7 <105 <1000 0.25 <0.1 36 DL5262B 51 2.5 <125 <1100 0.25 <0.1 39 DL5263B 56 2.2 <150 <1300 0.25 <0.1 43 DL5264B 60 2.1 <170 <1400 0.25 <0.1 46 DL5265B 62 2.0 <185 <1400 0.25 <0.1 47 DL5266B 68 1.8 <230 <1600 0.25 <0.1 52 DL5267B 75 1.7 <270 <1700 0.25 <0.1 58 DL5268B 82 1.5 <330 <2000 0.25 <0.1 62 DL5269B 87 1.4 <370 <2200 0.25 <0.1 68 DL5270B 91 1.4 <400 <2300 0.25 <0.1 69 DL5271B 100 1.3 <500 <2600 0.25 <0.1 76 1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature(TL) at 30, Type TKVZ %/K <-0.085 <-0.085 <-0.080 <-0.080 <-0.075 <-0.070 <-0.065 <-0.060 <+0.055 <+0.030 <+0.030 <+0.038 <+0.038 <+0.045 <+0.050 <+0.058 <+0.062 <+0.065 <+0.068 <+0.075 <+0.076 <+0.077 <+0.079 <+0.082 <+0.082 <+0.083 <+0.084 <+0.085 <+0.086 <+0.086 <+0.087 <+0.088 <+0.089 <+0.090 <+0.091 <+0.091 <+0.092 <+0.093 <+0.094 <+0.095 <+0.095 <+0.096 <+0.096 <+0.097 <+0.097 <+0.097 <+0.098 <+0.098 <+0.099 <+0.099 <+0.11 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 DL5221B~DL5271B 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 DL5221B~DL5271B 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 DL5221B~DL5271B Dimensions in mm 1.50.1 Cathode identification 0.3 3.50.2 Glass Case Mini Melf / SOD-80 JEDEC DO-213 AA Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 5/5