SMD Type Diodes
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 @ TL = 75 P 1500 mW
Thermal Resistance, Junction to Lead R JL 50 /W
Power dissipation @ TA = 25 P 500 mW
Thermal Resistance, Junction to Ambient R JA 250 /W
Jumction temperature Tj 150
Storage temperature Tstg -65 to +150
Electrical Characteristics (Ta = 25 )
Zener voltage
Zener Impedance Leakage Current
VZ (V) IZM
Type (mA) Marking
@ IZT ZZT @ IZT ZZK @ IZK IR @ VR (dc)
Min. Mom. Max.
(mA) ( ) ( ) (mA) ( A) (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
1
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SMD Type Diodes
1SMA59-B Series
Zener voltage
Zener Impedance Leakage Current
VZ (V) IZM
Type (mA) Marking
@ IZT ZZT @ IZT ZZK @ IZK IR @ VR (dc)
Min. Mom. Max.
(mA) ( ) ( ) (mA) ( A) (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
2
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