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TH97/2478
TH09/2479
IATF 0060636 SGS TH07/1033
1SMA5913B - 1SMA5957B
VZ : 3.3 - 240 Volts PD : 1.5 Watts
FEATURES :
* Complete Voltage Range 3.3 to 240 Volts * High peak reverse power dissipation * High reliability * Low leakage current * Pb / RoHS Free
SURFACE MOUNT SILICON ZENER DIODES
SMA
1.3 0.2 5.3 0.35 4.2 0.25 2.3 0.2
1.6 0.25 2.6 0.15
MECHANICAL DATA :
* Case : SMA Molded plastic * Epoxy : UL94V-O rate flame retardant * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.060 gram (Approximately)
1.6 0.25
Dimensions in millimeters
MAXIMUM RATINGS
Rating at 25 C ambient temperature unless otherwise specified
Rating
DC Power Dissipation @ TL = 75 C Measured zero lead length(1" square copper pad, FR-4 board) Derate above 75 C Thermal Resistance Junction to Lead DC Power Dissipation @ Ta = 25 C (FR-4 board) Derate above 25 C Thermal Resistance Junction to Ambient Maximum Forward Voltage at IF = 200 mA Operating Junction and Storang Temperature Range
Symbol
PD
Value
1.5 20
Unit
W mW/C C/W W mW/C C/W V C
RJL PD RJA VF TJ, TSTG
50 0.5 4.0 250 1.5 - 65 to + 150
Fig. 1 POWER TEMPERATURE DERATING CURVE PD, MAXIMUM DISSIPATION, (W) 1.5 1.2 0.9 0.6 0.3 0 TL Ta
0
25
50
75
100
125
150
175
T, TEMPERATURE (C)
Page 1 of 2
Rev. 08 : April 8, 2009
TH97/2478
TH09/2479
IATF 0060636 SGS TH07/1033
ELECTRICAL CHARACTERISTICS
Rating at 25 C ambient temperature unless otherwise specified Nominal Zener Maximum Zener Voltage Impedance TYPE IZT ZZT @ IZT ZZK @ IZK VZ @ IZT (V) (mA) () () 1SMA5913B 1SMA5914B 1SMA5915B 1SMA5916B 1SMA5917B 1SMA5918B 1SMA5919B 1SMA5920B 1SMA5921B 1SMA5922B 1SMA5923B 1SMA5924B 1SMA5925B 1SMA5926B 1SMA5927B 1SMA5928B 1SMA5929B 1SMA5930B 1SMA5931B 1SMA5932B 1SMA5933B 1SMA5934B 1SMA5935B 1SMA5936B 1SMA5937B 1SMA5938B 1SMA5939B 1SMA5940B 1SMA5941B 1SMA5942B 1SMA5943B 1SMA5944B 1SMA5945B 1SMA5946B 1SMA5947B 1SMA5948B 1SMA5949B 1SMA5950B 1SMA5951B 1SMA5952B 1SMA5953B 1SMA5954B 1SMA5955B 1SMA5956B 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100 110 120 130 150 160 180 200 113.6 104.2 96.1 87.2 79.8 73.5 66.9 60.5 55.1 50.0 45.7 41.2 37.5 34.1 31.2 28.8 25.0 23.4 20.8 18.7 17.0 15.6 13.9 12.5 11.4 10.4 9.6 8.7 8.0 7.3 6.7 6.0 5.5 5.0 4.6 4.1 3.7 3.4 3.1 2.9 2.5 2.3 2.1 1.9 10 9.0 7.5 6.0 5.0 4.0 2.0 2.0 2.5 3.0 3.5 4.0 4.5 5.5 6.5 7.0 9.0 10 12 14 17.5 19 23 26 33 38 45 53 67 70 86 100 120 140 160 200 250 300 380 450 600 700 900 1200 500 500 500 500 500 350 250 200 200 400 400 500 500 550 550 550 600 600 650 650 650 700 700 750 800 850 900 950 1000 1100 1300 1500 1700 2000 2500 3000 3100 4000 4500 5000 6000 6500 7000 8000 Maximum Reverse Leakage Current IR @ VR (V) (A) 100 75 25 5.0 5.0 5.0 5.0 5.0 50 50 50 50 50 50 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.5 2.0 3.0 4.0 5.2 6.0 6.5 7.0 8.0 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0 83.6 91.2 98.8 114.0 121.6 136.8 152.0 182.4 Maximum DC Zener Current IZM (mA) 454 416 384 348 319 294 267 241 220 200 182 164 150 136 125 115 100 93 83 75 68 62 55 50 45 41 38 34 31 29 26 24 22 20 18 16 15 13 12 11 10 9.0 8.0 7.0 6.0
IZK (mA) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
1SMA5957B 240 1.5 1600 9000 0.25 Note : (1) Suffix " B " indicates 5% tolerance, suffix " A " indicates 10% tolerance.
Page 2 of 2
Rev. 08 : April 8, 2009

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