ds21402 rev. e-3 1 of 3 zpd1-zpd51 www.diodes.com diodes incorporated zpd1 - zpd51 silicon planar zener diode features case: glass, do-35 leads: solderable per mil-std-202, method 208 polarity: cathode band marking: type number weight: 0.13 grams (approx.) mechanical data maximum ratings @ t a = 25c unless otherwise specified notes: 1. tested with pulses, tp = 20ms. 2. valid provided that leads at a distance of 8mm from body are kept at ambient temperature. characteristic symbol value unit zener current (see table on page 2) ??? power dissipation (note 2) p d 500 mw thermal resistance, junction to ambient air (note 2) r ja 300 k/w operating and storage temperature range t j ,t stg -55 to +175 c planar die construction hermetically sealed glass case 0.7v - 51v nominal zener voltages a a b c d do-35 dim min max a 25.4 ? b ? 4.57 c ? 0.53 d ? 1.9 all dimensions in mm
ds21402 rev. e-3 2 of 3 zpd1-zpd51 www.diodes.com type number zener voltage range (note 1) maximum zener impedance typical temperature cooefficient min. reverse voltage @ i r = 0.1a max. zener current (note 2) @ t a = 25c | @ t a = 45c @i zt = 5ma z zt @ i zt = 5ma z zk @ i zk = 1.0ma t c v r i zm i zm volts ohms ohms %v z /c volts ma ma zpd1(note 3) 0.7-0.8 8 50 -0.255 ? 340 280 zpd2.7 2.5-2.9 83 500 -0.065 ? 160 135 zpd3.0 2.8-3.2 95 500 -0.060 ? 140 117 zpd3.3 3.1-3.5 95 500 -0.055 ? 130 109 zpd3.6 3.4-3.8 95 500 -0.055 ? 120 101 zpd3.9 3.7-4.1 95 500 -0.050 ? 110 92 zpd4.3 4.0-4.6 95 500 -0.035 ? 100 85 zpd4.7 4.4-5.0 78 500 -0.015 ? 90 76 zpd5.1 4.8-5.4 60 480 +0.005 0.8 80 67 zpd5.6 5.2-6.0 40 400 +0.020 1.0 70 59 zpd6.2 5.8-6.6 10 200 +0.030 2.0 64 54 zpd6.8 6.4-7.2 8 150 +0.045 3.0 58 49 zpd7.5 7.0-7.9 7 50 +0.050 5.0 53 44 zpd8.2 7.7-8.7 7 50 +0.055 6.0 47 40 zpd9.1 8.5-9.6 10 50 +0.065 7.0 43 36 zpd10 9.4-10.6 15 70 +0.065 7.5 40 33 zpd11 10.4-11.6 20 70 +0.070 8.5 36 30 zpd12 11.4-12.7 20 90 +0.075 9.0 32 28 zpd13 12.4-14.1 25 110 +0.080 10 29 25 zpd15 (note 4) 13.8-15.6 30 110 +0.080 11 27 23 zpd16 15.3-17.1 40 170 +0.090 12 24 20 zpd18 16.8-19.1 50 170 +0.090 14 21 18 zpd20 18.8-21.2 50 220 +0.090 15 20 17 zpd22 20.8-23.3 55 220 +0.090 17 18 16 zpd24 22.8-25.6 80 220 +0.090 18 16 13 ZPD27 25.1-28.9 80 250 +0.090 20 14 12 zpd30 28-32 80 250 +0.090 22.5 13 10 zpd33 31-35 80 250 +0.090 25 12 9 zpd36 34-38 90 250 +0.090 27 11 9 zpd39 37-41 90 300 +0.110 29 10 8 zpd43 40-46 100 700 +0.110 32 9.2 7 zpd47 44-50 100 750 +0.110 35 8.5 6 zpd51 48-54 100 750 +0.110 38 7.8 6 notes: 1. tested with pulses t p = 20 ms. 2. valid provided that leads at a distance of 8mm from body are kept at ambient temperature. 3. the zpd1 is a silicon diode with operation in forward direction. hence, the index of all parameters should be ?f? instead of ?z?. connect the cathode electrode to the negative pole. 4. 15 volts 2% available upon special request as part number zpd15c. electrical characteristics (continued) @ t a = 25c unless otherwise specified
ds21402 rev. e-3 3 of 3 zpd1-zpd51 www.diodes.com 0 10 20 30 40 50 145678910 023 i , zener c urrent ( ma ) zt v , zener voltage (v) z fig. 1, zener breakdown characteristics t=25c j test current i z 5ma see note 1 zpd2,7 zpd3,3 zpd3,9 zpd4,7 zpd5,6 zpd6,8 zpd8,2 0 100 200 300 400 500 0 100 200 see note 2 p,p o wer dissipati o n(mw) d t , ambient temperature (c) a fig. 4, power derating curve 0 2 4 6 8 10 0102030405060708090100 i zener current (ma) zt v , zener voltage (v) z fi g . 3, zener breakdown characteristics t = 25c j see note 1 test current i z 5ma zpd39 zpd43 zpd51 zpd47 10 20 30 010203040 0 i , zener current (ma) zt v , zener voltage (v) z fig. 2, zener breakdown characteristics test current i z 5ma t=25c j see note 1 zpd10 zpd12 zpd15 zpd18 zpd22 ZPD27 zpd33 zpd36
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