1N5221B THRU 1N5257B FRONTIER ELECTRONICS CO., LTD. 500mW ZENER DIODE FEATURES ! LOW COST ! SMALL SIZE ! GLASS SEALED 3.9 27.5 MIN MECHANICAL DATA ! CASEGLASS CASE ! TERMINALSAXIAL LEADS,SOLDERABLE PER MIL-STD -202, METHOD 208 ! POLARITYCOLOR BAND DENOTES CATHODE ! MOUNTING POSITIONANY ! WEIGHT0.13 GRAMS 1.9 0.52 DO-35 (GLASS CASE) DIMENSIONS IN INCHES AND (MILLIMETERS) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED STORAGE AND OPERATING TEMPERATURE RANGE -55 TO + 175 ELECTRICAL CHARACTERISTICS (TA=25UNLESS OTHERWISE NOTED) VF=1.2V MAX, IF = 200mA FOR ALL TYPES MAXIMUM REVERSE NOMINAL MAXIMUM ZENER IMPEDANCE LEAKAGE CURRENT ZENER TEST TYPICAL JEDEC VOLTAGE CURRENT TEMPERATURE TEST TYPE NO ZZK AT IZT VZ@ IZT COEFFICIENT ZZT @ IZT IR VOLTAGE IZK=0.25mA SUFFIX B %/ VOLTAGE VOLTS mA OHMS OHMS A 1.0 100 -0.085 1200 30 20 2.4 1N5221B 1.0 100 -0.085 1250 30 20 2.5 1N5222B 1.0 75 -0.080 1300 30 20 2.7 1N5223B 1.0 75 -0.080 1400 30 20 2.8 1N5224B 1.0 50 -0.075 1600 29 20 3.0 1N5225B 1.0 25 -0.070 1600 28 20 3.3 1N5226B 1.0 15 -0.065 1700 24 20 3.6 1N5227B 1.0 10 -0.060 1900 23 20 3.9 1N5228B 1.0 5 0.055 2000 22 20 4.3 1N5229B 2.0 5 0.030 1900 19 20 4.7 1N5230B 2.0 5 0.030 1600 17 20 5.1 1N5231B 3.0 5 +0.038 1600 11 20 5.6 1N5232B 3.5 5 +0.038 1600 7 20 6.0 1N5233B 4.0 5 +0.045 1000 7 20 6.2 1N5234B 5.0 3 +0.050 750 5 20 6.8 1N5235B 6.0 3 +0.058 500 6 20 7.5 1N5236B 6.5 3 +0.062 500 8 20 8.2 1N5237B 6.5 3 +0.065 600 8 20 8.7 1N5238B 7.0 3 +0.068 600 10 20 9.1 1N5239B 8.0 3 +0.075 600 17 20 10 1N5240B 8.4 2 +0.076 600 22 20 11 1N5241B 9.1 1 +0.077 600 30 20 12 1N5242B 9.9 0.5 +0.079 600 13 9.5 13 1N5243B 10 0.1 +0.082 600 15 9.0 14 1N5244B 11 0.1 +0.082 600 16 8.5 15 1N5245B 12 0.1 +0.083 600 17 7.8 16 1N5246B 13 0.1 +0.084 600 19 7.4 17 1N5247B 14 0.1 +0.085 600 21 7.0 18 1N5248B 14 0.1 +0.086 600 23 6.6 19 1N5249B 15 0.1 +0.086 600 25 6.2 20 1N5250B 17 0.1 +0.087 600 29 5.6 22 1N5251B 18 0.1 +0.087 600 33 5.2 24 1N5252B 19 0.1 +0.089 600 35 5.0 25 1N5253B 21 0.1 +0.090 600 41 4.6 27 1N5254B 21 0.1 +0.091 600 44 4.5 28 1N5255B 23 0.1 +0.091 600 49 4.2 30 1N5256B 25 0.1 +0.092 700 58 3.8 33 1N5257B NOTE: SUFFIXBFOR 5% MEASURD WITH PULSE TP40ms 11-3 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 RATINGS AND CHARACTERISTIC CURVES 1N5221B THRU 1N5257B FIG.1- BREAKDOWN CHARACTERISTICS 5V mA 50 Iz 10V 15V 20V 25V 40 30 20 10 0 1N5252 1N5250 1N5245 1N5242 1N5241 1N5239 1N5235 1N5234 1N5232 1N5231 1N5230 1N5229 1N5228 1N5224 Vz FIG.2- POWER ,TEMPERATURE DERATING CURVE Pd(mW) Power Dissipation 500 400 300 200 100 50 100 150 200 Ta (oC) Ambient Temperature 11-4 300 30V