1SMA5926-1SMA5956
1.Watts Surface Mount Silicon Zener Diode
SMA/DO-214AC
Features
For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Typical IR less than 0.5µA above 11V High temperature soldering guaranteed: 260oC / 10 seconds at terminals Plastic package has Underwriters Laboratory Flammability Classification 94V-0
Mechanical Data
Case: Molded plastic over passivated junction
Dimensions in inches and (millimeters)
Polarity: Color Band denotes positive end (cathode) Standard packaging: 12mm tape Weight: 0.064 gram
Maximum Ratings and Electrical Characteristics
Rating at 25 oC ambient temperature unless otherwise specified.
Type Number
Symbol
Value
DC Power Dissipation at TL=75oC, measure at Zero Lead Length ( Note 1 ) Derate above 75 oC
PD
1.5 20
Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) (Note 1, 2)
IFSM
10.0
Operating and Storage Temperature Range
TJ, TSTG
-55 to + 150
Notes: 1. Mounted on 5.0mm2 (0.013mm thick) land areas.
2. Measured on 8.3ms Single Half Sine-wave or Equivalent Square Wave,
Duty Cycle=4 Pulses Per Minute Maximum.
Units Watts mW/ oC
Amps
oC
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mail:
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1SMA5926-1SMA5956
1.Watts Surface Mount Silicon Zener Diode
ELECTRICAL CHARACTERISTICS
(TA=25oC unless otherwise noted) VF=1.5V max, IF=200mA for all types.
Maximum
Device (Note 1)
Device Marking
Code
Nominal Zener Voltage Vz @ Izt
Min Nom Max V V(Notes 2) V
Test
Current
Zener Impedance
IZT ZZT @ IZT ZZK @ IZK
mA Ohms Ohms mA
DC Zener
Leakage Current Current
IR @ VR
IZM
uA Volts mA (dc)
1SMA5926 926A 10.45 11 11.55 34.1
5.5
550 0.25 0.5
8.4
136
1SMA5927 927A 11.40
12 12.60 31.2
6.5
550 0.25 0.5
9.1
125
1SMA5928 928A 12.35 13 13.65 28.8
7.0
550 0.25 0.5
9.9
115
1SMA5929 929A 14.25 15 15.75 25.0 9.0 600 0.25 0.5 11.4
100
1SMA5930 930A 15.20 16 16.80 23.4 10.0 600 0.25 0.5 12.2
94
1SMA5931 931A 17.10 18 18.90 20.8 12 650 0.25 0.5 13.7
83
1SMA5932 932A 19.00 20 21.00 18.7 14 650 0.25 0.5 15.2
75
1SMA5933 933A 20.90 22 23.10 17.0 17.5 650 0.25 0.5 16.7
68
1SMA5934 934A 22.80 24 25.20 15.6 19 700 0.25 0.5 18.2
63
1SMA5935 935A 25.65 27 28.35 13.9 23 700 0.25 0.5 20.6
56
1SMA5936 936A 28.50 30 31.50 12.5 26 750 0.25 0.5 22.8
50
1SMA5937 937A 31.35 33 34.65 11.4 33 800 0.25 0.5 25.1
45
1SMA5938 938A 34.20 36 37.80 10.4 38 850 0.25 0.5 27.4
42
1SMA5939 939A 37.05 39 40.95 9.6
45 900 0.25 0.5 29.7
38
1SMA5940 940A 40.85 43 45.15 8.7
53 950 0.25 0.5 32.7
35
1SMA5941 941A 44.65 47 49.35 8.0
67 1000 0.25 0.5 35.8
32
1SMA5942 942A 48.45 51 53.55 7.3
70 1100 0.25 0.5 38.8
29
1SMA5943 943A 53.20 56 58.80 6.7
86 1300 0.25 0.5 42.6
27
1SMA5944 944A 58.90 62 65.10 6.0
100 1500 0.25 0.5 47.1
24
1SMA5945 945A 64.60 68 71.40 5.5
120 1700 0.25 0.5 51.7
22
1SMA5946 946A 71.25 75 78.75 5.0
140 2000 0.25 0.5 56.0
20
1SMA5947 947A 77.90 82 86.10 4.6
160 2500 0.25 0.5 62.2
18
1SMA5948 948A 86.45 91 95.55 4.1
200 300 0.25 0.5 69.2
16
1SMA5949 949A 95.00
100 105.00 3.7
250 3100 0.25 0.5 76.0
15
1SMA5950 950A 104.5 110 115.50 3.4
300 4000 0.25 0.5 83.6
13
1SMA5951 951A 114.0
120 126.00 3.1
360 4500 0.25 0.5 91.2
12
1SMA5952 952A 123.5 130 136.50 2.9
450 5000 0.25 0.5 98.8
11
1SMA5953 953A 142.5 150 157.50 2.5
600 6000 0.25 0.5 114.0
10
1SMA5954 954A 152.0
160 168.00 2.3
700 6500 0.25 0.5 121.6
9
1SMA5955 955A 171.0
180 189.00 2.1
900 7000 0.25 0.5 136.8
8
1SMA5956 956A 190.0
200 210.00 1.9
1200 8000 0.25 0.5 152.0
7
Notes: 1. Tolerance and Voltage Regulation Designation - the type number listed indicates a tolerance of ±5%.
2. VZ limits are to be guaranteed at thermal equilibrium.
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mail:
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PD, MAXIMUM POWER DISSIPATION (WATTS)
1SMA5926-1SMA5956
1.Watts Surface Mount Silicon Zener Diode
RATINGS AND CHARACTERISTIC CURVES (1SMA5926 THRU 1SMA5956)
FIG.1- STEADY STATE POWER DERATING
4
3.2
2.4
TL
1.6
0.8
TA
0 0 25 50 75 100 125 150 T, TEMPERATURE(oC)
IZ, ZENER CURRENT (mA)
FIG.2- VZ = 12 THRU 68 VOLTS
100
10
1
0.1 0
10
20 30 40 50 60 VZ, ZENER VOLTAGE (VOLTS)
70
80
FIG.3- ZENER VOLTAGE - 14 TO 68 VOLTS
100
VZ @ IZ1
FIG.4- EFFECT OF ZENER VOLTAGE
100
IZ(dc) = 1 mA
ZZ, DYNAMIC IMPEDANCE (OHMS)
10 10
VZ, ZENER VOLTAGE (VOLTS)
10 10 mA
20 mA
IZ(ms) = 0.1 IZ(dc)
100 10
VZ, ZENER VOLTAGE (VOLTS)
100
OVZ, TEMPERATURE COEFFICIENT (mV/oC)
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mail:
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Version: B07
C, CAPACITANCE (pF)
1SMA5926-1SMA5956
1.Watts Surface Mount Silicon Zener Diode
RATINGS AND CHARACTERISTIC CURVES (1SMA5926 THRU 1SMA5956)
FIG.5- CAPACITANCE CURVE
FIG.6- TYPICAL PULSE RATING CURVE
1000
MEASURED @ 100 VZ/2
MEASURED @ ZERO BIAS
10 1
0.1
NONREPETITIVE, EXPONENTIAL PULSE WAVEFORM, TJ = 25oC
PPK, PEAK POWER (kW)
TJ = 25oC
10 10
0.01 100 0.01
BREAKDOWN VOLTAGE (VOLTS)
0.1 .