LUGUANG 1SMA5946

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
Dimensions in inches and (millimeters)
Case: Molded plastic over passivated junction
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.
Symbol
Type Number
PD
Value
1.5
20
Units
Watts
mW/ oC
IFSM
10.0
Amps
o
DC Power Dissipation at TL=75 C, measure at
Zero Lead Length ( Note 1 ) Derate above 75 oC
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method) (Note 1, 2)
Operating and Storage Temperature Range
TJ, TSTG
-55 to +
2
1.
Mounted
on
5.0mm
(0.013mm
thick)
land
areas.
Notes:
2. Measured on 8.3ms Single Half Sine-wave or Equivalent Square Wave,
Duty Cycle=4 Pulses Per Minute Maximum.
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o
C
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
DC Zener
Leakage Current Current
IR @ VR
IZM
uA
Volts
mA (dc)
Device
(Note 1)
Device
Marking
Code
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
Nominal Zener Voltage
Min
V
Vz @ Izt
Nom
Max
V(Notes 2)
V
Test
Current
Zener Impedance
ZZK @ IZK
ZZT @ IZT
IZT
mA
Ohms
Ohms
mA
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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1SMA5926-1SMA5956
1.Watts Surface Mount Silicon Zener Diode
RATINGS AND CHARACTERISTIC CURVES (1SMA5926 THRU 1SMA5956)
FIG.2- VZ = 12 THRU 68 VOLTS
4
100
3.2
IZ, ZENER CURRENT (mA)
PD, MAXIMUM POWER DISSIPATION (WATTS)
FIG.1- STEADY STATE POWER DERATING
2.4
TL
1.6
10
1
0.8
TA
0
0.1
0
25
50
75
100
125
150
0
10
o
ZZ, DYNAMIC IMPEDANCE (OHMS)
OVZ, TEMPERATURE COEFFICIENT (mV/oC)
VZ @ IZ1
10
100
VZ, ZENER VOLTAGE (VOLTS)
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30
40
50
60
70
80
FIG.4- EFFECT OF ZENER VOLTAGE
FIG.3- ZENER VOLTAGE - 14 TO 68 VOLTS
100
10
20
VZ, ZENER VOLTAGE (VOLTS)
T, TEMPERATURE( C)
100
IZ(dc) = 1 mA
10 mA
10
20 mA
IZ(ms) = 0.1 IZ(dc)
10
100
VZ, ZENER VOLTAGE (VOLTS)
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Version: B07
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
10
NONREPETITIVE, EXPONENTIAL
PULSE WAVEFORM, TJ = 25oC
PPK, PEAK POWER (kW)
C, CAPACITANCE (pF)
MEASURED @
ZERO BIAS
MEASURED @
VZ/2
100
1
0.1
o
TJ = 25 C
10
0.01
10
100
0.01
0.1
1
10
Tp, PULSE WIDTH (ms)
BREAKDOWN VOLTAGE (VOLTS)
FIG.8- PULSE WAVEFORM
FIG.7- PULSE WAVEFORM
120
120
o
TA = 25 C
PW (ID) IS DEFINED AS THE
POINT WHERE THE PEAK CURRENT
DECAYS TO 50% OF Ipp-
100
PEAK VALUE
Ippm
80
60
0.9 IPEAK
HALF VALUE - Ipp/2
40
10/1000 s WAVEFORM
AS DEFINED BY R.E.A.
20
8/20 s WAVEFORM
AS DEFINED BY ANSI C62.1
AND IEC 801-5,
100
Ippm, PEAK PULSE
CURRENT (%)
Ippm, PEAK PULSE CURRENT (%)
10 s
80
60
0.5 IPEAK
40
20
td
T=8 s
0.1 IPEAK
0
0
0
1
2
3
4
t, TIME (ms)
5
0
0.02
T
0.04
0.06
0.08
t, TIME (ms)
20 s
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0.1