surface mount zener diodes 1sma59-b series features flat handling surface for accurate placement standard zener breakdown voltage range -3.3v to 68v low profile package absolute maximum ratings (ta = 25 ) parameter symbol rating unit power dissipation @ t l =75 p 1500 mw thermal resistance, junction to lead r jl 50 /w power dissipation @ t a =25 p 500 mw thermal resistance, junction to ambient r ja 250 /w jumction temperature t j 150 storage temperature t stg -65to+150 electrical characteristics (ta = 25 ) min. mom. max. @i zt (ma) z zt @i zt ( ) z zk ( ) @i zk (ma) i r ( a) @v r (v) 1sma5913b 3.13 3.3 3.47 113.6 10 500 1.0 50 1.0 455 813b 1sma5914b 3.42 3.6 3.78 104.2 9.0 500 1.0 35.5 1.0 417 814b 1sma5915b 3.70 3.9 4.10 96.1 7.5 500 1.0 12.5 1.0 385 815b 1sma5916b 4.08 4.3 4.52 87.2 6.0 500 1.0 2.5 1.0 349 816b 1sma5917b 4.46 4.7 4.94 79.8 5.0 500 1.0 2.5 1.5 319 817b 1sma5918b 4.84 5.1 5.36 73.5 4.0 350 1.0 2.5 2.0 294 818b 1sma5919b 5.32 5.6 5.88 66.9 2.0 250 1.0 2.5 3.0 268 819b 1sma5920b 5.89 6.2 6.51 60.5 2.0 200 1.0 2.5 4.0 242 820b 1sma5921b 6.46 6.8 7.14 55.1 2.5 200 1.0 2.5 5.2 221 821b 1sma5922b 7.12 7.5 7.88 50 3.0 400 0.5 2.5 6.0 200 822b marking leakage current type zener voltage v z (v) zener impedance i zm (ma) (dc) www.yfwdiode.com
1sma59-b series min. mom. max. @i zt (ma) z zt @i zt ( ) z zk ( ) @i zk (ma) i r ( a) @v r (v) 1sma5923b 7.79 8.2 8.61 45.7 3.5 400 0.5 2.5 6.5 183 823b 1sma5924b 8.64 9.1 9.56 41.2 4.0 500 0.5 2.5 7.0 165 824b 1sma5925b 9.5 10 10.5 37.5 4.5 500 0.25 2.5 8.0 150 825b 1sma5926b 10.45 11 11.55 34.1 5.5 550 0.25 0.5 8.4 136 826b 1sma5927b 11.4 12 12.6 31.2 6.5 550 0.25 0.5 9.1 125 827b 1sma5928b 12.35 13 13.65 28.8 7.0 550 0.25 0.5 9.9 115 828b 1sma5929b 14.25 15 15.75 25 9.0 600 0.25 0.5 11.4 100 829b 1sma5930b 15.2 16 16.8 23.4 10 600 0.25 0.5 12.2 94 830b 1sma5931b 17.1 18 18.9 20.8 12 650 0.25 0.5 13.7 83 831b 1sma5932b 19 20 21 18.7 14 650 0.25 0.5 15.2 75 832b 1sma5933b 20.9 22 23.1 17 17.5 650 0.25 0.5 16.7 68 833b 1sma5934b 22.8 24 25.2 15.6 19 700 0.25 0.5 18.2 63 834b 1sma5935b 25.65 27 28.35 13.9 23 700 0.25 0.5 20.6 56 835b 1sma5936b 28.5 30 31.5 12.5 26 750 0.25 0.5 22.8 50 836b 1sma5937b 31.35 33 34.65 11.4 33 800 0.25 0.5 25.1 45 837b 1sma5938b 34.2 36 37.8 10.4 38 850 0.25 0.5 27.4 42 838b 1sma5939b 37.05 39 40.95 9.6 45 900 0.25 0.5 29.7 38 839b 1SMA5940B 40.85 43 45.15 8.7 53 950 0.25 0.5 32.7 35 840b 1sma5941b 44.65 47 49.35 8.0 67 1000 0.25 0.5 35.8 32 841b 1sma5942b 48.45 51 53.55 7.3 70 1100 0.25 0.5 38.8 29 842b 1sma5943b 53.2 56 58.8 6.7 86 1300 0.25 0.5 42.6 27 843b 1sma5944b 58.9 62 65.1 6.0 100 1500 0.25 0.5 47.1 24 844b 1sma5945b 64.6 68 71.4 5.5 120 1700 0.25 0.5 51.7 22 845b marking leakage current type zener voltage v z (v) zener impedance i zm (ma) (dc) www.yfwdiode.com
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