®
1SMA5913B – 1SMA5956B
WON-TOP ELECTRONICS
Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1
Nominal Zener
Test
Maximum Zener Impedance
(Note 3)
Maximum
Max DC Zener
Current
Device
Marking
Code
Voltage (Note 2) Current
Leakage Current
Type Number
(Note 1)
VZ @ IZT
(V)
IZT
ZZT @ IZT ZZK @ IZK
IZK
IR @ VR
IZM
(mA)
(Ω)
(Ω)
(mA)
(µA)
(V)
(mA)
1SMA5913B
1SMA5914B
1SMA5915B
1SMA5916B
1SMA5917B
813B
814B
815B
816B
817B
3.3
3.6
3.9
4.3
4.7
113.6
104.2
96.1
87.2
79.8
10.0
9.0
7.5
6.0
5.0
500
500
500
500
500
1.00
1.00
1.00
1.00
1.00
100
75
25
5.0
5.0
1.0
1.0
1.0
1.0
1.5
455
417
385
349
319
1SMA5918B
1SMA5919B
1SMA5920B
1SMA5921B
1SMA5922B
818B
819B
820B
821B
822B
5.1
5.6
6.2
6.8
7.5
73.5
66.9
60.5
55.1
50.0
4.0
2.0
2.0
2.5
3.0
350
250
200
200
400
1.00
1.00
1.00
1.00
0.50
5.0
5.0
2.5
2.5
2.5
2.0
3.0
4.0
5.2
6.0
294
268
242
221
200
1SMA5923B
1SMA5924B
1SMA5925B
1SMA5926B
1SMA5927B
823B
824B
825B
826B
827B
8.2
9.1
10
11
45.7
41.2
37.5
34.1
31.2
3.5
4.0
4.5
5.5
6.5
400
500
500
550
550
0.50
0.50
0.25
0.25
0.25
2.5
2.5
2.5
0.5
0.5
6.5
7.0
8.0
8.4
9.1
183
165
150
136
125
12
1SMA5928B
1SMA5929B
1SMA5930B
1SMA5931B
1SMA5932B
828B
829B
830B
831B
832B
13
15
16
18
20
28.8
25.0
23.4
20.8
18.7
7.0
9.0
10.0
12.0
14.0
550
600
600
650
650
0.25
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
0.5
9.9
115
100
94
83
75
11.4
12.2
13.7
15.2
1SMA5933B
1SMA5934B
1SMA5935B
1SMA5936B
1SMA5937B
833B
834B
835B
836B
837B
22
24
27
30
33
17.0
15.6
13.9
12.5
11.4
17.5
19.0
23.0
26.0
33.0
650
700
700
750
800
0.25
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
0.5
16.7
18.2
20.6
22.8
25.1
68
63
56
50
45
1SMA5938B
1SMA5939B
1SMA5940B
1SMA5941B
1SMA5942B
838B
839B
840B
841B
842B
36
39
43
47
51
10.4
9.6
8.7
8.0
7.3
38.0
45.0
53.0
67.0
70.0
850
900
950
1000
1100
0.25
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
0.5
27.4
29.7
32.7
35.8
38.8
42
38
35
32
29
1SMA5943B
1SMA5944B
1SMA5945B
1SMA5946B
1SMA5947B
843B
844B
845B
846B
847B
56
62
68
75
82
6.7
6.0
5.5
5.0
4.6
86.0
1300
1500
1700
2000
2500
0.25
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
0.5
42.6
47.1
51.7
56.0
62.2
27
24
22
20
18
100.0
120.0
140.0
160.0
1SMA5948B
1SMA5949B
1SMA5950B
1SMA5951B
1SMA5952B
848B
849B
850B
851B
852B
91
4.1
3.7
3.4
3.1
2.9
200.0
250.0
300.0
380.0
450.0
3000
3100
4000
4500
5000
0.25
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
0.5
69.2
76.0
83.6
91.2
98.8
16
15
13
12
11
100
110
120
130
1SMA5953B
1SMA5954B
1SMA5955B
1SMA5956B
853B
854B
855B
856B
150
160
180
200
2.5
2.3
2.1
1.9
600.0
700.0
900.0
1200.0
6000
6500
7000
8000
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
114.0
121.6
136.8
152.0
10
9.0
8.0
7.0
Note: 1. Type numbers listed have standard tolerance on the nominal zener voltage of ±5%.
2. Measured under thermal equilibrium and DC (IZT) test conditions.
3. The Zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to 10%
of the Zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to insure a sharp knee
on the breakdown curve and to eliminate unstable units.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
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