1N5257B

1N5221B THRU 1N5267B 500mW EPITAXIAL ZENER DIODE FEATURES . Standards zener voltage tolerance is 20%. Add suffix "A" for 10% tolerance and suffix "B" for 5% tolerance other tolerance, non standards and higher zener voltage upon request. DO-35 Φ 0.5 ± 0.1 MECHANICAL DATA . Polarity: Color band denotes cathode end . Weight: Approx. 0.13gram Φ 1.8 ± All Dimensions in mm ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25℃ ) Symbols Zener current see table "Characteristics" Power dissipation at TA=75℃ Junction temperature Storage temperature range Ptot TJ TSTG 26 ± 1 3.8 ± 0.2 0.2 . Case: DO-35 glass case 26 ± 1 Value Units mW 5001) 175 -65 to + 200 ℃ ℃ 1)Valid provided that at a distance of 8mm from case are kept at ambient temperature ELECTRICAL CHARACTERISTICS(TA=25℃ ) Symbols Thermal resistance junction to ambient Forward voltage at IF=200mA RTHA VF Min. Typ. Max. 0.31) 1.1 Units K/mW V 1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature 1N5221B THRU 1N5267B 500mW EPITAXIAL ZENER DIODE Electrical Characteristics Type Number Nom (V) 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 1N5264B 1N5265B 1N5266B 1N5267B Notes: 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 60 62 68 75 @ TA = 25 ℃ unless otherwise specified Test Current IZT Max (V) 2.52 2.63 2.84 2.94 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.30 6.51 7.14 7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75 16.80 17.85 18.90 19.95 21.00 23.10 25.20 26.25 28.35 29.40 31.50 34.65 37.80 40.95 45.15 49.35 53.55 58.80 63.00 65.10 71.40 78.75 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 2.1 2.0 1.8 1.7 30 30 30 30 29 28 24 23 22 19 17 11 7.0 7.0 5.0 6.0 8.0 8.0 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 105 125 150 170 185 230 270 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 1400 1400 1600 1700 Maximum Zener Impedance ZZT @ IZT ZZK @ IZK = 0.25mA Maximum Reverse Current IR µA 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 0.1 0.1 0.1 0.1 @V R V 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 46 47 52 56 Maximum Temperature Coefficient @ IZT %/ 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 +0.086 +0.086 +0.087 +0.087 +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 Zener Voltage Range (Note 2) V Z @ IZT Min (V) 2.28 2.38 2.57 2.66 2.85 3.14 3.42 3.71 4.09 4.47 4.85 5.32 5.70 5.89 6.46 7.13 7.79 8.27 8.65 9.50 10.45 11.40 12.35 13.30 14.25 15.20 16.15 17.10 18.05 19.00 20.90 22.80 23.75 25.65 26.60 28.50 31.35 34.20 37.05 40.85 44.65 48.45 53.20 57.00 58.90 64.60 71.25 2. Based on dc measurement at thermal equilibrium; lead length = 9.5mm (3/8”); thermal resistance of heat sink = 30°C/W. 1N5221B THRU 1N5267B RATINGS AND CHARACTERISTIC CURVES Breakdown characteristics 50 Iz,TEST CURRENT,MILLIAMPERS mA 5 10 15 20 25 30 V 40 30 Test Current Iz=20mA 20 10 0 Ptot,POWER DISSIPATION,MILLIWATTS 1N5224 1N5242 1N5241 1N5245 1N5250 1N5252 1N5228 1N5235 1N5234 1N5232 1N5231 1N5230 1N5229 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 1N5239 0 Vz,ZENER VOLTAGE,volts 50 100 150 200 250 AMBIENT TEMPERATURE, C