DONGGUAN NANJING ELECTRONICS LTD.,
SOD-123 Plastic-Encapsulate Diodes
MMSZ5221B-MMSZ5259B
ZENER DIODE
FEATURES
• Planar Die Construction
• Ultra-Small Surface Mount Package
• General purpose, Medium Current
• Ideally Suited for Automated Assembly Processes
SOD-123
+
-
Maximum Ratings(T
a
=25℃ unless otherwise specified)
Characteristic
Forward Voltage (Note 2)
Power Dissipation(Note 1)
Thermal Resistance, Junction to Ambient Air
Operating and Storage Temperature Range
@ I
F
= 10mA
Symbol
V
F
P
d
R
θJA
T
j
,T
STG
Value
0.9
350
357
-65~ +150
2
Unit
V
mW
℃/W
℃
Notes:1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm .
2. Tested with pulses, Tp≤1.0ms.
A,Jun,2011
Electrical Characteristics
(T
a
= 25°C unless otherWise specified )
Maximum Zener Impedance
(Note 4)
I
ZT
Max(V)
2.52
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
18.90
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
mA
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
7.0
6.2
5.6
5.2
5.0
5.0
4.5
4.2
3.8
3.4
3.2
30
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
21
25
29
33
35
41
44
49
58
70
80
Z
ZT
@I
ZT
Ω
1200
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
700
700
800
Z
ZK
@I
ZK
I
ZK
mA
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
0.25
0.25
0.25
Maximum
Reverse
Current
I
R
uA
100
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
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
V
R
V
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
14
15
17
18
19
21
21
23
25
27
30
Type
Number
Zener Voltage Range (Note 2)
Code
V
Z
@I
ZT
Nom(V)
Min(V)
2.28
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
17.10
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
MMSZ5221B
MMSZ5223B
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5233B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5238B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5244B
MMSZ5245B
MMSZ5246B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5253B
MMSZ5254B
MMSZ5255B
MMSZ5256B
MMSZ5257B
MMSZ5258B
MMSZ5259B
C1
C3
C5
G1
G2
G3
G4
G5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H4
H5
J1
J3
J5
K1
K2
K3
K4
K5
M1
M2
M3
M4
2.4
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
18
20
22
24
25
27
28
30
33
36
39
A,Jun,2011
微控制器 MCU
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