SMB5921B
thru
SMB5949B
SURFACE MOUNT ZENER TYPE
SURFACE MOUNT ZENER DIODES
3.0
WATTS
SMB/DO-214AA
.075(1.91)
.083(2.11)
.130(3.30)
.155(3.94)
.160(4.06)
.185(4.70)
.006(.152)
.012(.305)
.083(2.13)
.096(2.44)
.030(0.76)
.050(1.27)
.004(.102)
.008(.203)
.200(5.08)
.220(5.59)
Dimensions in inches and (millimeters)
FEATURES
• Low profile package
• Built-in strain relief
• Low inductance
• Typical I
D
less than 1.0µA above 11V
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
• High temperature soldering : 260°C /10 seconds at terminals
• Pb free product are available : 99% Sn can meet RoHS environment
substance directive request
MECHANICAL DATA
Case: JEDEC DO-214AA, Molded plastic over passivated junction
Terminals: Solder plated, solderable per MIL-STD-750, Method 2026
Polarity: Indicated by cathode band
Standard packing: 12mm tape (E1A-481)
Weight: 0.003 ounce, 0.093 gram
MAXIMUM RATINGS
(at T
A
=25 C unless otherwise noted)
o
Parameter
Peak Pulse Power Dissipation on TA=50
O
C (Notes A)
Derate above 70
O
C
Peak Forward Surge Current 8.3ms single half sine-wave
superimposed on rated load (JEDEC method)
Operating Junction and Storage Temperature Range
Symbol
Value
3.0
24.0
15
-55 to + 150
Units
W atts
mW/
O
C
Amps
O
P
D
I
FSM
T
J
,T
STG
C
NOTES:
A.Mounted on 5.0mm
2
(.013mm thick) land areas.
B.Measured on 8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum
www.paceleader.tw
1
SMB5921B
thru
SMB5949B
SURFACE MOUNT ZENER TYPE
SURFACE MOUNT ZENER DIODES
3.0
WATTS
ELECTRICAL CHARACTERISTICS
(at T
A
=25 C unless otherwise noted)
o
Nominal Zener
Marking Voltage
Part No.
Reverse
Max.Zener Impedance Max.ZenerCurrent
Leakage
Z
ZT
@ I
ZT
Ω
2.5
3.0
3.5
4.0
4.5
5.5
6.5
7.0
9.0
10
12
14
17.5
19
23
26
33
38
45
53
67
70
86
100
120
140
160
200
250
Max.
DC
Zener
Current
I
ZM
Code
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
5921B
5922B
5923B
5924B
5925B
5926B
5927B
5928B
5929B
5930B
5931B
5932B
5933B
5934B
5935B
5936B
5937B
5938B
5939B
5940B
5941B
5942B
5943B
5944B
5945B
5946B
5947B
5948B
5949B
V
Z
@ I
ZT
Z
ZK
@ I
ZK
Ω
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
I
R
@ V
R
V
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
Nom.V
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
mA
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
mA
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
mA
1.0
0.5
0.5
0.5
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
μA
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
mA
440
400
364
328
300
272
250
230
200
186
166
150
136
124
110
100
90
82
76
68
62
58
52
48
44
40
36
32
30
3100 0.25
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