MMSZ52xxB SERIES
Rev-1.1
www.elecsuper.com
SuperDiode – SOD-123 Plastic-Encapsulate Zener Diode
1. Features
2. Mechanical Data
⚫
Low zener impedance
⚫
SOD-123 Small Outline Plastic Package
⚫
Power dissipation of 500mW
⚫
Polarity: Color band denotes cathode end
⚫
High stability and high reliability
⚫
Mounting Position: Any
3. Marking and Circuit
Marking
1
Circuit
2
1
Marking
2
4. Specification
Absolute Maximum Rating & Thermal Characteristics
Ratings at 25 ℃ ambient temperature unless otherwise specified.
Parameters
Symbol
Value
Unit
Forward voltage @IF=10mA
VF
0.9 2)
V
Power dissipation
PD
500 1)
mW
Thermal Resistance, Junction-to-Ambient
RθJA
340 3)
℃/W
Thermal Resistance, Junction-to-Lead
RθJL
150 3)
℃/W
TS
-65~150
℃
Storage temperature range
1) Device mounted on ceramic PCB: 7.6mm x 9.4mm x 0.87mm with pad areas 25mm²
2) Short duration test pulse used to minimize self-heating effect
3) Thermal Resistance measurement obtained via infrared Scan Method.
4) f=1KHz
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MMSZ52xxB SERIES
Rev-1.1
Electrical Characteristics (At TA = 25℃
unless otherwise specified)
Vz1(@Izt)
Part Number
Marking
www.elecsuper.com
Zzt@Izt
Zzk
IR
Min
Max
Izt
Max
Max
Izk
Max
VR
(V)
(V)
mA
Ω
Ω
mA
uA
V
MMSZ5221B
C1
2.28
2.52
20
30
1200
0.25
100
1
MMSZ5222B
C2
2.38
2.63
20
30
1250
0.25
100
1
MMSZ5223B
C3
2.57
2.84
20
30
1300
0.25
75
1
MMSZ5224B
C4
2.66
2.94
20
30
1400
0.25
75
1
MMSZ5225B
C5
2.85
3.15
20
30
1600
0.25
50
1
MMSZ5226B
G1
3.14
3.47
20
28
1600
0.25
25
1
MMSZ5227B
G2
3.42
3.78
20
24
1700
0.25
15
1
MMSZ5228B
G3
3.71
4.1
20
23
1900
0.25
10
1
MMSZ5229B
G4
4.09
4.52
20
22
2000
0.25
5
1
MMSZ5230B
G5
4.47
4.94
20
19
1900
0.25
5
2
MMSZ5231B
E1
4.85
5.36
20
17
1600
0.25
5
2
MMSZ5232B
E2
5.32
5.88
20
11
1600
0.25
5
3
MMSZ5233B
E3
5.7
6.3
20
7
1600
0.25
5
3.5
MMSZ5234B
E4
5.89
6.51
20
7
1000
0.25
5
4
MMSZ5235B
E5
6.46
7.14
20
5
750
0.25
3
5
MMSZ5236B
F1
7.13
7.88
20
6
500
0.25
3
6
MMSZ5237B
F2
7.79
8.61
20
8
500
0.25
3
6.5
MMSZ5238B
F3
8.27
9.14
20
8
600
0.25
3
6.5
MMSZ5239B
F4
8.65
9.56
20
10
600
0.25
3
7
MMSZ5240B
F5
9.5
10.5
20
17
600
0.25
3
8
MMSZ5241B
H1
10.45
11.55
20
22
600
0.25
2
8.4
MMSZ5242B
H2
11.4
12.6
20
30
600
0.25
1
9.1
MMSZ5243B
H3
12.35
13.65
9.5
13
600
0.25
0.5
9.9
MMSZ5244B
H4
13.3
14.7
9
15
600
0.25
0.1
10
MMSZ5245B
H5
14.25
15.75
8.5
16
600
0.25
0.1
11
MMSZ5246B
J1
15.2
16.8
7.8
17
600
0.25
0.1
12
MMSZ5247B
J2
16.15
17.85
7.5
19
600
0.25
0.1
13
MMSZ5248B
J3
17.1
18.9
7
21
600
0.25
0.1
14
MMSZ5249B
J4
18.05
19.95
6.6
23
600
0.25
0.1
14
MMSZ5250B
J5
19
21
6.2
25
600
0.25
0.1
15
MMSZ5251B
K1
20.9
23.1
5.6
29
600
0.25
0.1
17
MMSZ5252B
K2
22.8
25.2
5.2
33
600
0.25
0.1
18
MMSZ5253B
K3
23.75
26.25
5
35
600
0.25
0.1
19
MMSZ5254B
K4
25.65
28.35
5
41
600
0.25
0.1
21
MMSZ5255B
K5
26.6
29.4
4.5
44
600
0.25
0.1
21
MMSZ5256B
M1
28.5
31.5
4.2
49
600
0.25
0.1
23
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MMSZ52xxB SERIES
Rev-1.1
Vz1(@Izt)
Part Number
Marking
www.elecsuper.com
Zzt@Izt
Zzk
IR
Min
Max
Izt
Max
Max
Izk
Max
VR
(V)
(V)
mA
Ω
Ω
mA
uA
V
MMSZ5257B
M2
31.35
34.65
3.8
58
700
0.25
0.1
25
MMSZ5258B
M3
34.2
37.8
3.4
70
700
0.25
0.1
27
MMSZ5259B
M4
37.05
40.95
3.2
80
800
0.25
0.1
30
MMSZ5260B
M5
40.85
45.15
3
93
900
0.25
0.1
33
MMSZ5261B
N1
44.65
49.35
2.7
105
1000
0.25
0.1
36
MMSZ5262B
N2
48.45
53.55
2.5
125
1100
0.25
0.1
39
MMSZ5263B
N3
53.2
58.8
2.2
150
1300
0.25
0.1
43
MMSZ5264B
N4
57
63
2.1
170
1400
0.25
0.1
46
MMSZ5265B
N5
58.9
65.1
2
185
1400
0.25
0.1
47
MMSZ5266B
P1
64.6
71.4
1.8
230
1600
0.25
0.1
52
MMSZ5267B
P2
71.25
78.75
1.7
270
1700
0.25
0.1
56
5. Typical Characteristic
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MMSZ52xxB SERIES
Rev-1.1
www.elecsuper.com
6. Dimension and Patterns (SOD-123)
A2
E
A
b
D
E1
c
A1
Symbol
A
A1
A2
b
c
D
L1
Min.
1.05
0.00
1.05
0.45
0.08
1.50
L
Max.
1.25
0.10
1.15
0.65
0.15
1.70
θ
Symbol
E
E1
L
L1
θ
Units: mm
Max.
2.80
3.85
Min.
2.60
3.55
0.50REF
0.25
0°
0.45
8°
Note:
1. Controlling dimension: in millimeters
2. General tolerance: ±0.05mm
3. The pad layout is for reference only
4. Unit: mm
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MMSZ52xxB SERIES
Rev-1.1
www.elecsuper.com
DISCLAIMER
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(INCLUDING REFERENCE DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, SAFETY INFORMATION, AND OTHER
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WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS.
These resources are intended for skilled developers designing with ElecSuper products. You are solely responsible for
(1) selecting the appropriate ElecSuper products for your application;
(2) designing, validating and testing your application;
(3) ensuring your application meets applicable standards, and any other safety, security, or other requirements.
These resources are subject to change without notice. ElecSuper grants you permission to use these resources only for
development of an application that uses the ElecSuper products described in the resource. Other reproduction and display of
these resources are prohibited. No license is granted to any other ElecSuper intellectual property right or to any third party
intellectual property right. ElecSuper disclaims responsibility for, and you will fully indemnify ElecSuper and its representatives
against, any claims, damages, costs, losses, and liabilities arising out of your use of these resources. ElecSuper’s products are
provided subject to ElecSuper’s Terms of Sale or other applicable terms available either on www.elecsuper.com or provided in
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