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%. dlq5221b thru dlq5259b 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% features * voltage range:2.4v to 39v * double slug type construction quadro melf .063(1.6).055(1.4) .146(3.7).130(3.3) .020(0.5).012(0.3) cathode mark .020(0.5).012(0.3) .067(1.7) * case: glass sealed case quadro 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. mechanical data
r dc components co., ltd. breakdown characteristics dlq52 series ma 50 40 30 20 10 0 iz vz dlq5252 dlq5250 dlq5245 dlq5242 dlq5241 dlq5239 dlq5235 dlq5234 dlq5232 dlq5231 dlq5230 dlq5229 dlq5228 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 dlq5221b 2.4 20 30 1200 0.25 100 1.0 -0.070 188 dlq5222b 2.5 20 30 1250 0.25 100 1.0 -0.065 180 dlq5223b 2.7 20 30 1300 0.25 75 1.0 -0.060 167 dlq5225b 3.0 20 30 1600 0.25 50 1.0 -0.055 150 dlq5226b 3.3 20 28 1600 0.25 25 1.0 0.030 136 dlq5227b 3.6 20 24 1700 0.25 15 1.0 0.030 126 dlq5228b 3.9 20 23 1900 0.25 10 1.0 +0.038 115 dlq5229b 4.3 20 22 2000 0.25 5 1.0 +0.038 106 dlq5230b 4.7 20 19 1900 0.25 5 2.0 +0.045 97 dlq5231b 5.1 20 17 1600 0.25 5 2.0 +0.050 89 dlq5232b 5.6 20 11 1600 0.25 5 3.0 +0.058 81 dlq5233b 6.0 20 9 1600 0.25 5 3.5 +0.060 76 dlq5234b 6.2 20 7 1000 0.25 5 4.0 +0.062 73 dlq5235b 6.8 20 5 750 0.25 3 5.0 +0.065 67 dlq5236b 7.5 20 6 500 0.25 3 6.0 +0.068 61 dlq5237b 8.2 20 8 500 0.25 3 6.0 +0.075 55 dlq5238b 8.7 20 9 600 0.25 3 6.5 +0.075 52 dlq5239b 9.1 20 10 600 0.25 3 6.5 +0.076 50 dlq5240b 10 20 17 600 0.25 3 8.0 +0.077 45 dlq5241b 11 20 22 600 0.25 3 8.4 +0.079 41 DLQ5242B 12 20 30 600 0.25 2 9.1 +0.082 38 dlq5243b 13 9.5 13 600 0.25 1 9.9 +0.082 35 dlq5244b 14 9.0 14 600 0.25 0.5 10 +0.082 32 dlq5245b 15 8.5 16 600 0.25 0.1 11 +0.083 30 dlq5246b 16 7.8 17 600 0.25 0.1 12 +0.084 28 dlq5247b 17 7.4 19 600 0.25 0.1 13 +0.084 27 dlq5248b 18 7.0 21 600 0.25 0.1 14 +0.085 25 dlq5249b 19 6.6 23 600 0.25 0.1 14 +0.085 24 dlq5250b 20 6.2 25 600 0.25 0.1 15 +0.086 23 dlq5251b 22 5.6 29 600 0.25 0.1 17 +0.086 21 dlq5252b 24 5.2 33 600 0.25 0.1 18 +0.087 19.1 dlq5253b 25 5.0 36 600 0.25 0.1 19 +0.087 18.2 dlq5254b 27 4.6 41 600 0.25 0.1 21 +0.087 16.8 dlq5255b 28 4.5 44 600 0.25 0.1 21 +0.089 16.2 dlq5256b 30 4.2 49 600 0.25 0.1 23 +0.090 15.1 dlq5257b 33 3.8 58 700 0.25 0.1 25 +0.091 13.8 dlq5258b 36 3.4 70 700 0.25 0.1 27 +0.091 12.6 dlq5259b 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 (dlq5221b thru dlq5259b) note: standard zener voltage tolerance 5% 5v 10v 15v 20v 25v 30v 50 100 150 200 250
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