smbz5945b Vishay, smbz5945b Datasheet - Page 2

• Manufacturer Part Number: smbz5945b
• Description: Surface Mount Power Voltage-regulating Diodes
• Manufacturer: Vishay

Document Number: 88485
Revision: 17-Aug-07
ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS (T
PART
NUMBER
SMBZ5919B
SMBZ5920B
SMBZ5921B
SMBZ5924B
SMBZ5925B
SMBZ5926B
SMBZ5927B
SMBZ5928B
SMBZ5929B
SMBZ5930B
SMBZ5931B
SMBZ5932B
SMBZ5933B
SMBZ5934B
SMBZ5935B
SMBZ5936B
SMBZ5937B
SMBZ5938B
SMBZ5939B
SMBZ5940B
SMBZ5941B
SMBZ5942B
SMBZ5943B
SMBZ5944B
SMBZ5945B
SYMBOL
Z
Z
I
I
V
I
V
V
I
ZM
ZT
ZK
I
ZK
ZT
R
F
Z
R
F
MARKING
DEVICE
CODE
19B
20B
21B
24B
25B
26B
27B
28B
29B
30B
31B
32B
33B
34B
35B
36B
37B
38B
39B
40B
41B
42B
43B
44B
45B
Maximum Zener impedance at I
Maximum Zener impedance at I
Reverse leakage current at V
Reverse Zener voltage at I
Maximum DC Zener current
5.32
5.89
6.46
8.64
10.5
11.4
12.4
14.3
15.2
17.1
19.0
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.6
48.4
53.2
58.9
64.6
MIN
9.5
Forward voltage at I
Reverse current
Reverse current
Reverse voltage
Forward current
VOLTAGE
PARAMETER
V
ZENER
Z
NOM
AT I
(V)
5.6
6.2
6.8
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
ZT
MAX
5.88
6.51
7.14
9.56
10.5
11.6
12.6
13.7
15.8
16.8
18.9
21.0
23.1
25.2
28.4
31.5
34.7
37.8
41.0
45.2
49.4
53.6
58.8
65.1
71.4
F
CURRENT
A
ZT
TEST
(mA)
66.9
60.5
55.1
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
R
= 25 °C unless otherwise noted)
9.6
8.7
8.0
7.3
6.7
6.0
5.5
I
ZT
ZK
ZT
Z
ZT
10.0
12.0
14.0
17.5
19.0
23.0
28.0
33.0
38.0
45.0
53.0
100
120
(Ω)
2.5
4.0
4.5
5.5
6.5
7.0
9.0
67
70
86
AT I
5
2
IMPEDANCE
ZT
MAXIMUM
SMBZ5919B thru SMBZ5945B
ZENER
1000
1000
1000
1100
1300
1500
1700
700
700
400
550
550
550
600
600
650
650
650
700
700
750
800
850
900
950
(Ω)
Z
ZK
Vishay General Semiconductor
V
AT I
Z
(mA)
V
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
0.5
ZK
R
1
1
1
Zener Voltage Regulator
(µA)
200
200
200
25
25
I
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
F
LEAKAGE
CURRENT
MAXIMUM
REVERSE
I
R
I
I
R
AT V
ZT
V
F
R
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
(V)
5.2
7.0
8.0
8.4
9.1
9.9
3
4
www.vishay.com
MAXIMUM
CURRENT
ZENER
(mA)
267
241
220
164
150
136
125
115
100
I
93
83
75
68
62
55
50
45
41
38
34
31
29
26
24
22
ZM
V
235