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%. DLM5221B thru dlm5259b dimensions in inches(millimeters) rectifier specialists r dc components co., ltd. technical specifications of glass silicon zener diodes symbol value units zener current see table "characterisitics" power dissipation at tamb=25 oc ptot 500(1) mw junction temperature tj 175 oc storage temperature range tstg -55 to + 175 oc k/mw thermal resistance rtha - typ. junction to ambient air - min. 0.3(1) max. volts forward voltage vf - typ. at if=100ma - min. 1 max. 1)valid provided that leads are kept at ambient temperature at a distance of 10 mm from case. note: suffix "b" indicates zener voltage tolerance 5% micro melf .049(1.25).047(1.20) .079(2.0).071(1.8) .008(0.2) cathode mark .008(0.2) .043(1.1) features mechanical data * case: glass sealed case micro melf * terminals: solder plated, solderable per mil-std-750, method 2026 guaranteed * polarity: color band denotes cathode end * mounting position: any * weight: 0.05 grams approx. * voltage range:2.4v to 39v * double slug type construction
r dc components co., ltd. breakdown characteristics dlm52 series ma 50 40 30 20 10 0 iz vz dlm5252 dlm5250 dlm5245 dlm5242 dlm5241 dlm5239 dlm5235 dlm5234 dlm5232 dlm5231 dlm5230 dlm5229 dlm5228 dl m5224 test current iz 20ma changes in the power dissipation due to the ambient temperature. 500 400 300 200 100 pd(mw) ta( oc) ambient temperature. power dissipation DLM5221B 2.4 20 30 1200 0.25 100 1.0 -0.070 188 dlm5222b 2.5 20 30 1250 0.25 100 1.0 -0.065 180 dlm5223b 2.7 20 30 1300 0.25 75 1.0 -0.060 167 dlm5225b 3.0 20 30 1600 0.25 50 1.0 -0.055 150 dlm5226b 3.3 20 28 1600 0.25 25 1.0 0.030 136 dlm5227b 3.6 20 24 1700 0.25 15 1.0 0.030 126 dlm5228b 3.9 20 23 1900 0.25 10 1.0 +0.038 115 dlm5229b 4.3 20 22 2000 0.25 5 1.0 +0.038 106 dlm5230b 4.7 20 19 1900 0.25 5 2.0 +0.045 97 dlm5231b 5.1 20 17 1600 0.25 5 2.0 +0.050 89 dlm5232b 5.6 20 11 1600 0.25 5 3.0 +0.058 81 dlm5233b 6.0 20 9 1600 0.25 5 3.5 +0.060 76 dlm5234b 6.2 20 7 1000 0.25 5 4.0 +0.062 73 dlm5235b 6.8 20 5 750 0.25 3 5.0 +0.065 67 dlm5236b 7.5 20 6 500 0.25 3 6.0 +0.068 61 dlm5237b 8.2 20 8 500 0.25 3 6.0 +0.075 55 dlm5238b 8.7 20 9 600 0.25 3 6.5 +0.075 52 dlm5239b 9.1 20 10 600 0.25 3 6.5 +0.076 50 dlm5240b 10 20 17 600 0.25 3 8.0 +0.077 45 dlm5241b 11 20 22 600 0.25 3 8.4 +0.079 41 dlm5242b 12 20 30 600 0.25 2 9.1 +0.082 38 dlm5243b 13 9.5 13 600 0.25 1 9.9 +0.082 35 dlm5244b 14 9.0 14 600 0.25 0.5 10 +0.082 32 dlm5245b 15 8.5 16 600 0.25 0.1 11 +0.083 30 dlm5246b 16 7.8 17 600 0.25 0.1 12 +0.084 28 dlm5247b 17 7.4 19 600 0.25 0.1 13 +0.084 27 dlm5248b 18 7.0 21 600 0.25 0.1 14 +0.085 25 dlm5249b 19 6.6 23 600 0.25 0.1 14 +0.085 24 dlm5250b 20 6.2 25 600 0.25 0.1 15 +0.086 23 dlm5251b 22 5.6 29 600 0.25 0.1 17 +0.086 21 dlm5252b 24 5.2 33 600 0.25 0.1 18 +0.087 19.1 dlm5253b 25 5.0 36 600 0.25 0.1 19 +0.087 18.2 dlm5254b 27 4.6 41 600 0.25 0.1 21 +0.087 16.8 dlm5255b 28 4.5 44 600 0.25 0.1 21 +0.089 16.2 dlm5256b 30 4.2 49 600 0.25 0.1 23 +0.090 15.1 dlm5257b 33 3.8 58 700 0.25 0.1 25 +0.091 13.8 dlm5258b 36 3.4 70 700 0.25 0.1 27 +0.091 12.6 dlm5259b 39 3.2 80 800 0.25 0.1 30 +0.092 11.6 type maximum reverse leakage current ir @ vr m a volts maximum zener impedance zzt@izt zzt@izk ohms ohms nominal zener voltage vz@izt volts zener test current izt ma izk ma typical temperature coefficient % / oc max. zener current izm@ta ma rating and characteristic curves (DLM5221B thru dlm5259b) note: standard zener voltage tolerance 5% 5v 10v 15v 20v 25v 30v 50 100 150 200 250
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