1N5257B

1N52-SERIES ZENER DIODES Zener Voltage:2.4-56V Peak Pulse Power:500mW FEATURE DO-35(GLASS) Low zener impedance Low regulation factor Glass passivated junction High temperature soldering guaranteed: 260 C/10S/9.5mm lead length at 5 lbs tension 1.0 2(26.0) MIN. 0.079(2.0) MAX 0.165 (4.2) MAX MECHANICAL DATA Case: JEDEC DO-35(GLASS) molded glass body Terminals: Plated axial leads, solderable per MIL-STD 750, method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.05 ounce,0.14 grams 1.0 2(26.0) MIN. 0.020(0.52) TYP Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. SYMBOLS VALUE UNITS Zener Current see Table Characteristics Power Dissipation at Tamb=25 C(Note 1) Junction Temperature Storage Temperature Range Thermal resistance junction ambient(Note 1) Forward voltage at IF=200mA Ptot Tj TSTG RqJA VF 500 200 -65 to + 200 0.3 1.1 mW C C K/mW V Note 1: Valid provided that leads at a distance of 10mm from case are kept at ambient temperature www.shunyegroup.com ELECTRICAL CHARACTERISTICS (at TA=25 C unless otherwise noted) Nominal Zener Voltage Vz@IZT (Volts) 2.4 2.5 2.7 2.8 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 47 51 56 Device Type 1N5221B 1N5222B 1N5223B 1N5224B 1N5225B 1N5226B 1N5227B 1N5228B 1N5229B 1N5230B 1N5231B 1N5232B 1N5233B 1N5234B 1N5235B 1N5236B 1N5237B 1N5238B 1N5239B 1N5240B 1N5241B 1N5242B 1N5243B 1N5244B 1N5245B 1N5246B 1N5247B 1N5248B 1N5249B 1N5250B 1N5251B 1N5252B 1N5253B 1N5254B 1N5255B 1N5256B 1N5257B 1N5258B 1N5259B 1N5260B 1N5261B 1N5262B 1N5263B Test Current IZT (mA) 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 Maximum Zener Impedance ZZT@IZT Ohms 30 30 30 30 29 28 24 23 22 19 17 11 7 7 5 6 8 8 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 150 125 150 Maximum Reverse Leakage Current IR uA 100 100 75 75 50 25 15 10 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 3.0 3.0 3.0 3.0 2.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 ZZK@IZK=0.25mA Ohms 1200 1250 1300 1400 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 700 800 900 1000 1100 1300 @VR Volts 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 23 25 27 30 33 36 39 43 Typical Temperature Coefficient (%/ C) -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 +0.085 +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 Maximum Regulator Current IZM mA 191 182 168 162 151 138 126 115 106 97 89 81 76 73 67 61 55 52 50 45 41 38 35 32 30 28 27 25 24 23 21.2 19.1 18.2 16.8 16.2 15.1 13.8 12.6 11.5 10.6 9.7 8.9 8.1 Note 1: Suffix “B” indicate +5% tolerance www.shunyegroup.com RATINGS AND CHARACTERISTIC CURVES 1N52 SERIES Breakdown characteristics mA 50 Iz,TEST CURRENT,MILLIAMPERS 5 10 15 20 25 30 V 40 30 Test Current Iz=20mA 20 10 0 Ptot,POWER DISSIPATION,MILLIWATTS 1N5224 1N5228 Admissible power dissipation versus ambient temperature Valid provided that leads are kept at ambient temperature at a distance of 10mm from case 500 400 300 200 100 0 1N5235 1N5234 1N5232 1N5231 1N5230 1N5229 1N5239 0 www.shunyegroup.com 1N5242 1N5241 50 Vz,ZENER VOLTAGE,volts 100 AMBIENT TEMPERATURE, C 1N5245 150 200 1N5250 250 1N5252