SMB5920B series
Surface Mount Zener Diodes
P b
Lead(Pb)-Free
Features:
* Glass passivated chip
* Low leakage
* Built-in strain relief
* Low inductance
* High peak reverse power dissipation
* For use in stabilizing and clipping circuits with
high power rating.
SURFACE MOUNT
ZENER DIODES
3.0 WATTS
SMB(DO-214AA)
Mechanical Data
* Case: Molded plastic SMB/DO-214AA
* Polarity: Laser band denotes cathode end
* Weight: 0.095 gram
SMB Outline Dimension
B
Dim
A
C
A
B
C
D
J
H
E
G
D
E
G
H
J
Unit:mm
SMB
Min
3.30
4.06
1.96
0.15
5.00
0.10
0.76
2.00
Max
3.94
4.80
2.21
0.31
5.59
0.20
1.52
2.62
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SMB5920B series
MAXIMUM RATINGS (T
A
=25°C unless otherwise noted)
Parameter
DC Power Dissipation at TL = 50°C
Maximum Forward Voltage at IF = 200mA
Junction Temperature Range
Storage Temperature Range
Symbol
P
D
V
F
T
J
T
STG
Value
3.0
1.5
-55 to +150
-55 to +150
UNIT
W
V
°C
°C
Part
Number
Nominal Zener
Voltage
V
Z
@ I
ZT
Nom. V
mA
60.5
55.1
50.0
45.7
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
9.6
8.7
8.0
7.3
6.7
6.0
5.5
5.0
4.6
4.1
3.7
3.4
3.1
2.9
2.5
2.3
2.1
1.9
Ω
2.0
2.5
3.0
3.5
4.0
4.5
5.5
6.5
7.0
9.0
10.0
12.0
14.0
18.0
19.0
23.0
26.0
33.0
38.0
45.0
53.0
67.0
70.0
86.0
100.0
120.0
140.0
160.0
200.0
250.0
300.0
380.0
450.0
600.0
700.0
900.0
1900.0
6.2
6.8
7.5
8.2
9.1
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
36.0
39.0
43.0
47.0
51.0
56.0
62.0
68.0
75.0
82.0
91.0
100.0
110.0
120.0
130.0
150.0
160.0
180.0
200.0
Max. Zener Impedance
Z
ZT
@ I
ZT
mA
60.5
55.1
50.0
45.7
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
9.6
8.7
8.0
7.3
6.7
6.0
5.5
5.0
4.6
4.1
3.7
3.4
3.1
2.9
2.5
2.3
2.1
1.9
Ω
200
200
400
400
500
500
550
550
550
600
600
650
650
650
700
700
750
800
850
900
950
1000
1100
1300
1500
1700
2000
2500
3000
3100
4000
4500
5000
6000
6500
7000
9990
Z
ZK
@ I
ZK
mA
1.00
1.00
0.50
0.50
0.50
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Max. Reverse
Leakage Current
I
R
@ V
R
uA
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
V
4.0
5.2
6.0
6.5
7.0
8.0
8.4
9.1
9.9
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
56.0
62.2
69.2
76.0
83.6
91.2
98.8
114.0
121.6
136.8
152.0
Max.
DC Zener
Current
I
ZM
mA
240.0
440.0
400.0
364.0
328.0
300.0
272.0
250.0
230.0
200.0
186.0
166.0
150.0
136.0
124.0
110.0
100.0
90.0
82.0
76.0
68.0
62.0
58.0
52.0
48.0
44.0
40.0
36.0
32.0
30.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
Marking
Code
SMB5920B
SMB5921B
SMB5922B
SMB5923B
SMB5924B
SMB5925B
SMB5926B
SMB5927B
SMB5928B
SMB5929B
SMB5930B
SMB5931B
SMB5932B
SMB5933B
SMB5934B
SMB5935B
SMB5936B
SMB5937B
SMB5938B
SMB5939B
SMB5940B
SMB5941B
SMB5942B
SMB5943B
SMB5944B
SMB5945B
SMB5946B
SMB5947B
SMB5948B
SMB5949B
SMB5950B
SMB5951B
SMB5952B
SMB5953B
SMB5954B
SMB5955B
SMB5956B
B5920B
B5921B
B5922B
B5923B
B5924B
B5925B
B5926B
B5927B
B5928B
B5929B
B5930B
B5931B
B5932B
B5933B
B5934B
B5935B
B5936B
B5937B
B5938B
B5939B
B5940B
B5941B
B5942B
B5943B
B5944B
B5945B
B5946B
B5947B
B5948B
B5949B
B5950B
B5951B
B5952B
B5953B
B5954B
B5955B
B5956B
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