Zener Diodes
MMSZ5221B-MMSZ5259B
SOD-123
F
Constant Voltage control
Wide Voltage Range Selection 2.4V to 39V
RoHS compliant / Green EMC
Matte Tin (Sn) Lead finish
Moisture Level Sensitivity 1
Cathode Band / Device marking
Refer to table list
※Mark: refer to Device Marking
Absolute Maximum Ratings (Ta = 25 ℃)
Symbol
Parameter
Value
Units
PD
Power Dissipation
500
mW
TJ
Junction Temperature
150
℃
TSTG
Storage Temperature
-65 to +150
℃
PD/VZ
mA
IZM
Maximum Regulator Current
Electrical Characteristics (Ta = 25 ℃)
Type
Device
Number
Marking
MMSZ5221B
C1
MMSZ5223B
Vz (V) @IZT
Nom(V)
IZT
ZZT@IZT
ZZK@IZK
Ω
Izk
IR
VR
(mA)
(uA)
(V)
Min(V)
Max(V)
mA
2.4
2.28
2.52
20
30
1200
0.25
100
1.0
C3
2.7
2.57
2.84
20
30
1300
0.25
75
1.0
MMSZ5225B
C5
3.0
2.85
3.15
20
30
1600
0.25
50
1.0
MMSZ5226B
G1
3.3
3.14
3.47
20
28
1600
0.25
25
1.0
MMSZ5227B
G2
3.6
3.42
3.78
20
24
1700
0.25
15
1.0
MMSZ5228B
G3
3.9
3.71
4.10
20
23
1900
0.25
10
1.0
MMSZ5229B
G4
4.3
4.09
4.52
20
22
2000
0.25
5
1.0
MMSZ5230B
G5
4.7
4.47
4.94
20
19
1900
0.25
5
2.0
MMSZ5231B
E1
5.1
4.85
5.36
20
17
1600
0.25
5
2.0
MMSZ5232B
E2
5.6
5.32
5.88
20
11
1600
0.25
5
3.0
MMSZ5233B
E3
6.0
5.70
6.30
20
7
1600
0.25
5
3.5
Continued next page
1
May.2015,
Zener Diodes
MMSZ5221B-MMSZ5259B
Type
Device
Number
Marking
MMSZ5234B
E4
6.2
MMSZ5235B
E5
MMSZ5236B
IZT
Vz (V) @IZT
ZZT@IZT
ZZK@IZK
IR
VR
(mA)
(uA)
(V)
Max(V)
mA
5.89
6.51
20
7
1000
0.25
5
4.0
6.8
6.46
7.14
20
5
750
0.25
3
5.0
F1
7.5
7.13
7.88
20
6
500
0.25
3
6.0
MMSZ5237B
F2
8.2
7.79
8.61
20
8
500
0.25
3
6.5
MMSZ5238B
F3
8.7
8.27
9.14
20
8
600
0.25
3
6.5
MMSZ5239B
F4
9.1
8.65
9.56
20
10
600
0.25
3
7.0
MMSZ5240B
F5
10
9.50
10.50
20
17
600
0.25
3
8.0
MMSZ5241B
H1
11
10.45
11.55
20
22
600
0.25
2.0
8.4
MMSZ5242B
H2
12
11.40
12.60
20
30
600
0.25
1.0
9.1
MMSZ5243B
H3
13
12.35
13.65
9.5
13
600
0.25
0.5
9.9
MMSZ5244B
H4
14
13.30
14.70
9.0
15
600
0.25
0.1
10
MMSZ5245B
H5
15
14.25
15.75
8.5
16
600
0.25
0.1
11
MMSZ5246B
J1
16
15.20
16.80
7.8
17
600
0.25
0.1
12
MMSZ5248B
J3
18
17.10
18.90
7.0
21
600
0.25
0.1
14
MMSZ5250B
J5
20
19.00
21.00
6.2
25
600
0.25
0.1
15
MMSZ5251B
K1
22
20.90
23.10
5.6
29
600
0.25
0.1
17
MMSZ5252B
K2
24
22.80
25.20
5.2
33
600
0.25
0.1
18
MMSZ5253B
K3
25
23.75
26.25
5.0
35
600
0.25
0.1
19
MMSZ5254B
K4
27
25.65
28.35
5.0
41
600
0.25
0.1
21
MMSZ5255B
K5
28
26.60
29.40
4.5
44
600
0.25
0.1
21
MMSZ5256B
M1
30
28.50
31.50
4.2
49
600
0.25
0.1
23
MMSZ5257B
M2
33
31.35
34.65
3.8
58
700
0.25
0.1
25
MMSZ5258B
M3
36
34.20
37.80
3.4
70
700
0.25
0.1
27
MMSZ5259B
M4
39
37.05
40.95
3.2
80
800
0.25
0.1
30
Nom(V)
Min(V)
2
Ω
Izk
May.2015,
Zener Diodes
MMSZ5221B-MMSZ5259B
Ordering Information
Device
Package
Shipping
MMSZ Series
SOD123
Tape & Reel
3000pcs /7” Reel
Tape
wide
Emboss
pitch
Tape
specification
8 mm
4 mm
Conductive
Notes
Package Dimensions
Package outline : SOD-123
Unit
A
A1
A2
b
c
D
E
E1
Max.
1.25 0.10 1.15 0.65 0.15 1.70
2.80 3.85
Min.
1.05 0.00 1.05 0.45 0.08 1.50
2.60 3.55
L
0.500
REF.
L1
θ
0.45
8°
0.25
0°
Note:
1. Halogen free,EMC
2. Pb free solder
3. Lead thickness includes solder plating
4. Lead frame: A42
5. Other Tolerance: ±0.05
SOD123 Package Outline
6. Dimensions are exclusive of Burrs,Mold Flash and Tie Bar extrusions
7. Unit: mm
Land Pattern Recommendation
3
May.2015,
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