1SMB5953B-13(2019) 查看數據表（PDF） - Diodes Incorporated.
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1SMB5953B-13 Datasheet PDF : 7 Pages
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1SMB5920B – 1SMB5956B
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Type
Number
1SMB5920B
1SMB5921B
1SMB5922B
1SMB5923B
1SMB5924B
1SMB5925B
1SMB5926B
1SMB5927B
1SMB5928B
1SMB5929B
1SMB5930B
1SMB5931B
1SMB5932B
1SMB5933B
1SMB5934B
1SMB5935B
1SMB5936B
1SMB5937B
1SMB5938B
1SMB5939B
1SMB5940B
1SMB5941B
1SMB5942B
1SMB5943B
1SMB5944B
1SMB5945B
1SMB5946B
1SMB5947B
1SMB5948B
1SMB5949B
1SMB5950B
1SMB5951B
1SMB5952B
1SMB5953B
1SMB5954B
1SMB5955B
1SMB5956B
Marking
Code
B920
B921
B922
B923
B924
B925
B926
B927
B928
B929
B930
B931
B932
B933
B934
B935
B936
B937
B938
B939
B940
B941
B942
B943
B944
B945
B946
B947
B948
B949
B950
B951
B952
B953
B954
B955
B956
Zener Voltage
Range (Note 6)
Min (V)
5.89
6.46
7.12
7.79
8.64
9.5
10.45
11.4
12.35
14.25
15.2
17.1
19
20.9
22.8
25.65
28.5
31.35
34.2
37.05
40.85
44.65
48.45
53.2
58.9
64.6
71.25
77.9
86.45
95
104.5
114
123.5
142.5
152
171
190
VZ @ IZT
Typ (V)
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
Max (V)
6.51
7.14
7.88
8.61
9.56
10.5
11.55
12.6
13.65
15.75
16.8
18.9
21
23.1
25.2
28.35
31.5
34.65
37.8
40.95
45.15
49.35
53.55
58.8
65.1
71.4
78.75
86.1
95.55
105
115.5
128
136.5
157.5
168
189
210
Test
Current
IZT
mA
60.5
55.1
50
45.7
41.2
37.5
34.1
31.2
28.8
25
23.4
20.8
18.7
17
15.6
13.9
12.5
11.4
10.4
9.6
8.7
8
7.3
6.7
6
5.5
5
4.6
4.1
3.7
3.4
3.1
2.9
2.5
2.3
2.1
1.9
Maximum Zener Impedance
(Note 7)
ZZT @ IZT
Ω
2
2.5
3
3.5
4
4.5
5.5
6.5
7
9
10
12
14
17.5
19
23
28
33
38
45
53
67
70
86
100
120
140
160
200
250
300
380
450
600
700
900
1200
ZZK @ IZK
Ω
mA
200
1
200
1
400
0.5
400
0.5
500
0.5
500
0.25
550
0.25
550
0.25
550
0.25
600
0.25
600
0.25
650
0.25
650
0.25
650
0.25
700
0.25
700
0.25
750
0.25
800
0.25
850
0.25
900
0.25
950
0.25
1000
0.25
1100
0.25
1300
0.25
1500
0.25
1700
0.25
2000
0.25
2500
0.25
3000
0.25
3100
0.25
4000
0.25
4500
0.25
5000
0.25
6000
0.25
6500
0.25
7000
0.25
8000
0.25
Maximum
Reverse
Current (Note 6) IZM Max
IR @ VR
µA
V
mA
5
4
241
5
5.2
220
5
6
200
5
6.5
182
5
7
164
5
8
150
1
8.4
136
1
9.1
125
1
9.9
115
1
11.4 100
1
12.2
93
1
13.7
83
1
15.2
75
1
16.7
68
1
18.2
62
1
20.6
55
1
22.8
50
1
25.1
45
1
27.4
41
1
29.7
38
1
32.7
34
1
35.8
31
1
38.8
29
1
42.6
26
1
47.1
24
1
51.7
22
1
56
20
1
62.2
18
1
69.2
16
1
76
15
1
83.6
13
1
91.2
12
1
98.8
11
1
114
10
1 121.6
9
1 136.8
8
1
152
7
Notes:
6. Short duration pulse test used to minimize self-heating effect.
7. ZENER IMPEDANCE (ZZ) DERIVATION ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied. The
specified limits are for IZ(AC) = 0.1 IZ(DC) with the AC frequency = 60 Hz.
1SMB5920B – 1SMB5956B
Document number: DS32125 Rev. 8 - 2
3 of 7
www.diodes.com
May 2019
© Diodes Incorporated
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