Surface Mount Zener Diode
* Planar Die Construction
* 200mW Power Dissipation on FR-4 PCB
* General purpose, Medium Current
* Ideally Suited for Automated Assembly
Features:
MMBZ5221BW Series
WEITRON
WEITRON
ZENER DIODE
350m WATTS
http://www.weitron.com.tw
SOT-323(SC-70)
1
2
3
Unit:mm
SOT-323 Outline Demensions
A
B
D
E
G
M
L
H
J
T OP VIE W
K
C
Dim
A
B
C
D
E
G
H
J
K
L
M
Min
0.30
1.15
2.00
-
0.30
1.20
1.80
0.00
0.80
0.42
0.10
Max
0.40
1.35
2.40
0.65
0.40
1.40
2.20
0.10
1.00
0.53
0.25
SOT-323
1
3
1/3
17-Aug-05
Lead(Pb)-Free
P b
http://www.weitron.com.tw
WEITRON
WEITRON
Maximum Ratings and Electrical Characteristics
(T
A
=25C Unless Otherwise Noted)
Characteristics
Symbol
Unit
V
NOTES: 1. Valid provided that device terminals are kept at ambient temperature.
C
R
JA
P
D
V
F
T
J
,T
STG
Value
350
357
0.9
-65 to +150
mW
K/W
Total Power Dissipation
(1)
Forward Voltage @ IF=10mA
Thermal Resistance Junction to Ambient Air
(1)
Junction and Storage Temperature Range
MMBZ5221BW Series
2/3
17-Aug-05
WEITRON
http//www.weitron.com.tw
MMBZ5221BW Series
Electrical Characteristics
@ T
A
=25C unless otherwise specified
Notes: 2. Tested with pulses, Tp 1.0ms.
Type
Number
Marking
Code
Zener Voltage Range
(2)
Maximum Zener
Impedance
Maximum Reverse
Leakage Current
V
Z
@I
ZT
I
ZT
Z
ZT
@I
ZT
Z
ZK
@I
ZK
=0.25mA
I
R
@ V
R
mA
A
V
MMBZ5221BW
KC1
2.4
2.28
2.52
20
30
1200
100
1.0
MMBZ5223BW
KC3
2.7
2.57
2.84
20
30
1300
75
1.0
MMBZ5225BW
KC5
3.0
2.85
3.15
20
30
1600
50
1.0
MMBZ5226BW
KG1
3.3
3.14
3.47
20
28
1600
25
1.0
MMBZ5227BW
KG2
3.6
3.42
3.78
20
24
1700
15
1.0
MMBZ5228BW
KG3
3.9
3.71
4.10
20
23
1900
10
1.0
MMBZ5229BW
KG4
4.3
4.09
4.52
20
22
2000
5.0
1.0
MMBZ5230BW
KG5
4.7
4.47
4.94
20
19
1900
5.0
2.0
MMBZ5231BW
KE1
5.1
4.85
5.36
20
17
1600
5.0
2.0
MMBZ5232BW
KE2
5.6
5.32
5.88
20
11
1600
5.0
3.0
MMBZ5234BW
KE4
6.2
5.89
6.51
20
7.0
1000
5.0
4.0
MMBZ5235BW
KE5
6.8
6.46
7.14
20
5.0
750
3.0
5.0
MMBZ5236BW
KF1
7.5
7.13
7.88
20
6.0
500
3.0
6.0
MMBZ5237BW
KF2
8.2
7.79
8.61
20
8.0
500
3.0
6.5
MMBZ5239BW
KF4
9.1
8.65
9.56
20
10
600
3.0
7.0
MMBZ5240BW
KF5
10
9.50
10.50
20
17
600
3.0
8.0
MMBZ5241BW
KH1
11
10.45
11.55
20
22
600
2.0
8.4
MMBZ5242BW
KH2
12
11.40
12.60
20
30
600
1.0
9.1
MMBZ5243BW
KH3
13
12.35
13.65
9.5
13
600
0.5
9.9
MMBZ5245BW
KH5
15
14.25
15.75
8.5
16
600
0.1
11
MMBZ5246BW
KJ1
16
15.20
16.80
7.8
17
600
0.1
12
MMBZ5248BW
KJ3
18
17.10
18.90
7.0
21
600
0.1
14
MMBZ5250BW
KJ5
20
19.00
21.00
6.2
25
600
0.1
15
MMBZ5251BW
KK1
22
20.90
23.10
5.6
29
600
0.1
17
MMBZ5252BW
KK2
24
22.80
25.20
5.2
33
600
0.1
18
MMBZ5254BW
KK4
27
25.65
28.35
5.0
41
600
0.1
21
MMBZ5255BW
KK5
28
26.60
29.40
4.5
44
600
0.1
21
MMBZ5256BW
KM1
30
28.50
31.50
4.2
49
600
0.1
23
MMBZ5257BW
KM2
33
31.35
34.65
3.8
58
700
0.1
25
MMBZ5258BW
KM3
36
34.20
37.80
3.4
70
700
0.1
27
MMBZ5259BW
KM4
39
37.05
40.95
3.2
80
800
0.1
30
Nom (V)
Min (V)
Max (V)
3/3
17-Aug-05
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