maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. dl5221b thru dl-35 dimensions in millimeters rectifier specialists r dc components co., l td. technical specifica tions of glass silicon zener diodes features * voltage range:2.4v to 39v mechanical data * case: glass case minimelf dl-35 * mounting position: any * weight: 0.05 gram approx. * double slug type construction dl5259b 1.450.05 3.50.1 0.30.1 cathode mark * terminals:solder plated, solderable per mil-std-750, method 2026 * polarity: color band denotes cathode end symbol value units zener current see table "characterisitics" power dissipation at t amb=25 o c ptot 500 (1) mw junction t emperature tj 175 o c storage t emperature range t stg -55 to + 175 o c k/mw thermal resistance rtha - typ. junction to ambient air - min. 0.3 (1) max. volts forward voltage v f - typ. at if=100ma - min. 1 max. 1)valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. note: suffix "b" indicates zener voltage tolerance 5% 298
r dc components co., l td. rating and characteristic curves (dl5221b thru dl5259b) nominal zener voltage v z@ i zt volts zener test current i zt ma maximum zener impedance z zt@ i zt z zt@ i zk ( ) ohms ohms. maximum reverse leakage current i r @ v r ua volts typical temperature coefficient % / o c maximum regulator current i zm ma dl5221b 2.4 20 30 1200 -0.085 100 1.0 191 dl5222b 2.5 20 30 1250 -0.085 100 1.0 182 dl5223b 2.7 20 30 1300 -0.080 75 1.0 168 dl5224b 2.8 20 30 1400 -0.080 75 1.0 162 dl5225b 3.0 20 29 1600 +0.075 50 1.0 151 dl5226b 3.3 20 28 1600 -0.070 25 1.0 138 dl5227b 3.6 20 24 1700 -0.065 15 1.0 126 dl5228b 3.9 20 23 1900 -0.060 10 1.0 115 dl5229b 4.3 20 22 2000 0.055 5.0 1.0 106 dl5230b 4.7 20 19 1900 0.030 5.0 2.0 97 DL5231B 5.1 20 17 1600 0.030 5.0 2.0 89 dl5232b 5.6 20 11 1600 +0.038 5.0 3.0 81 dl5233b 6.0 20 7 1600 +0.038 5.0 3.5 76 dl5234b 6.2 20 7 1000 +0.045 5.0 4.0 73 dl5235b 6.8 20 5 750 +0.050 3.0 5.0 67 dl5236b 7.5 20 6 500 +0.058 3.0 6.0 61 dl5237b 8.2 20 8 500 +0.062 3.0 6.5 55 dl5238b 8.7 20 8 600 +0.065 3.0 6.5 52 dl5239b 9.1 20 10 600 +0.068 3.0 7.0 50 dl5240b 10 20 17 600 +0.075 3.0 8.0 45 dl5241b 11 20 22 600 +0.076 2.0 8.4 41 dl5242b 12 20 30 600 +0.077 1.0 9.1 38 dl5243b 13 9.5 13 600 +0.079 0.5 9.9 35 dl5244b 14 9.0 15 600 +0.082 0.1 10 32 dl5245b 15 8.5 16 600 +0.082 0.1 11 30 dl5246b 16 7.8 17 600 +0.083 0.1 12 28 dl5247b 17 7.4 19 600 +0.084 0.1 13 27 dl5248b 18 7.0 21 600 +0.085 0.1 14 25 dl5249b 19 6.6 23 600 +0.085 0.1 14 24 dl5250b 20 6.2 25 600 +0.086 0.1 15 23 dl5251b 22 5.6 29 600 +0.087 0.1 17 21.2 dl5252b 24 5.2 33 600 +0.088 0.1 18 19.1 dl5253b 25 5.0 35 600 +0.089 0.1 19 18.2 dl5254b 27 4.6 41 600 +0.090 0.1 21 16.8 dl5255b 28 4.5 44 600 +0.091 0.1 21 16.2 dl5256b 30 4.2 49 600 +0.091 0.1 23 15.1 dl5257b 33 3.8 58 700 +0.092 0.1 25 13.8 dl5258b 36 3.4 70 700 +0.093 0.1 27 12.6 dl5259b 39 3.2 80 800 +0.094 0.1 30 11.5 breakdown characteristics dl52 series ma 50 40 30 20 10 0 5v 10v 15v 20v 25v 30v iz vz 1n5252 1n5250 1n5245 1n5242 1n5241 1n5239 1n5235 1n5234 1n5232 1n5231 1n5230 1n5229 1n5228 1n5224 test current iz 20ma changes in the power dissipation due to the ambient temperature. 500 400 300 200 100 pd(mw) t a( o c) 50 100 150 200 300 ambient temperature. power dissipation ( )izk=0.25ma 299
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