BL
Galaxy Electrical
Surface mount zener diode
FEATURES
Planar die construction.
500mW power dissipation.
General purpose, medium current.
Production specification
MMSZ5221B-MMSZ5260B
Pb
Lead-free
Ideally suited for automated assembly processes.
APPLICATIONS
Zener diode.
Ultra-small surface mount package.
SOD-123
ORDERING INFORMATION
Type No.
MMSZ5221B-MMSZ5359B
Marking
See table 2
Package Code
SOD-123
MAXIMUM RATING
@ Ta=25℃ unless otherwise specified
Characteristic
Forward Voltage
Power Dissipation
Thermal resistance,junction to ambient air
Junction temperature
Storage temperature range
@ I
F
=10mA
Symbol
V
F
P
d
R
θjA
T
j
T
stg
Value
0.9
500
350
150
-65-150
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
.
2. Tested with pulses, Tp
≤1.0ms.
Document number: BL/SSZDA012
Rev.A
www.galaxycn.com
1
BL
Galaxy Electrical
Surface mount zener diode
Production specification
MMSZ5221B-MMSZ5260B
ELECTRICAL CHARACTERISTICS
@ Ta=25℃ unless otherwise specified
Type
Number
Type
Code
Nom(V)
MMSZ5221B
MMSZ5223B
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5233B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5238B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5245B
MMSZ5246B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5254B
MMSZ5255B
MMSZ5256B
MMSZ5257B
MMSZ5258B
MMSZ5259B
MMSZ5260B
C1
C3
C5
G1
G2
G3
G4
G5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H5
J1
J3
J5
K1
K2
K4
K5
M1
M2
M3
M4
M5
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
15
16
18
20
22
24
27
28
30
33
36
39
43
Zener Voltage Range
V
z
@I
ZT
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
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
40.85
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
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.5
34.65
37.80
40.95
45.15
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
9.5
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
3.0
30
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
16
17
21
25
29
33
41
44
49
58
70
80
93
Z
ZT@
I
ZT
Maximum Zener
Impedance
Z
ZK@
I
ZK
=0.25mA
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
700
700
800
900
Maximum Reverse
Leakage Current
I
R
μA
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
@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
11
12
14
15
17
18
21
21
23
25
27
30
33
Document number: BL/SSZDA012
Rev.A
www.galaxycn.com
2
BL
Galaxy Electrical
Surface mount zener diode
Production specification
MMSZ5221B-MMSZ5260B
TYPICAL CHARACTERISTICS
@ Ta=25℃ unless otherwise specified
PACKAGE OUTLINE
Plastic surface mounted package
SOD-123
K
B
SOD-123
Dim
C
Min
1.4
2.55
Max
1.8
2.85
A
B
A
D
H
E
J
C
D
E
H
J
K
1.15 Typical
0.5
0.3
0.02
0.6
0.4
0.10
0.1 Typical
3.55
3.85
All Dimensions in mm
Document number: BL/SSZDA012
Rev.A
www.galaxycn.com
3
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