JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-323 Plastic-Encapsulate Diode
SOT- 323
MMBZ5221BW-MMBZ5259BW
FEATURES：
Planar Die Construction
200mW Power Dissipation on FR-4 PCB
General purpose, Medium Current
Ideally Suited for Automated Assembly
Marking: see table on page2 The first code
ZENER DIODE
Maximum Ratings(T
a
= 25℃ unless otherwise specified)
Characteristic
Forward Voltage @ I
F
= 10mA
Power Dissipation
Thermal Resistance, Junction to Ambient Air
Operating and Storage Temperature Range
Symbol
V
F
P
D
R
θ
JA
T
j
, T
STG
Value
0.9
200
625
-65
~
+150
Unit
V
mW
℃/W
℃
A,Jun,2011
ELECTRICAL CHARACTERISTICS (T
a
=25℃ unless otherwise specified)
Type Number
Marking
Code
Zener Voltage Range (Note 1)
V
Z
@ I
ZT
Nom (V)
Min (V)
2.28
2.38
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
Max (V)
2.52
2.63
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
Test
Current
I
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
5.0
4.5
4.2
3.8
3.4
3.2
Maximum Zener
Impedance (Note 2)
Z
ZT
@
I
ZT
30
30
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
Z
ZK
@ I
ZK
=
0.25mA
Maximum Reverse
Leakage Current
(Note 1)
I
R
µA
@V
R
V
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
Ω
1200
1250
1300
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
MMBZ5221BW
MMBZ5222BW
MMBZ5223BW
MMBZ5225BW
MMBZ5226BW
MMBZ5227BW
MMBZ5228BW
MMBZ5229BW
MMBZ5230BW
MMBZ5231BW
MMBZ5232BW
MMBZ5233BW
MMBZ5234BW
MMBZ5235BW
MMBZ5236BW
MMBZ5237BW
MMBZ5238BW
MMBZ5239BW
MMBZ5240BW
MMBZ5241BW
MMBZ5242BW
MMBZ5243BW
MMBZ5244BW
MMBZ5245BW
MMBZ5246BW
MMBA5247BW
MMBZ5248BW
MMBZ5249BW
MMBZ5250BW
MMBZ5251BW
MMBZ5252BW
MMBZ5253BW
MMBZ5254BW
MMBZ5255BW
MMBZ5256BW
MMBZ5257BW
MMBZ5258BW
MMBZ5259BW
KC1
KC2
KC3
KC5
KG1
KG2
KG3
KG4
KG5
KE1
KE2
KE3
KE4
KE5
KF1
KF2
KF3
KF4
KF5
KH1
KH2
KH3
KH4
KH5
KJ1
KJ2
KJ3
KJ4
KJ5
KK1
KK2
KK3
KK4
KK5
KM1
KM2
KM3
KM4
2.4
2.5
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
100
100
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
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
Notes: 1. Short duration test pulse used to minimize self-heating effect.
2. f = 1KHz.
A,Jun,2011
电子工程世界
