Surface Mount Zener Diode
A suffix of "-C" specifies halogen & lead-free
MMSZ52XXB Series
Electrical Characteristics @ T
A
=25 C unless otherwise specified
500mW,5% SOD-123
Maximum Zener
Impedance
(Note 3)
V
ZK
@ I
ZK
Z
ZT
@I
ZT
= 0.25mA
Maximum Reverse
Leakage Current
(Note 1)
Type
Number
Marking
Code
Zener Voltage Range
(Note 1)
MMSZ5221B
C1, C1
30
1200
MMSZ5222B
C2, C2
30
1250
MMSZ5223B
C3, C3
30
1300
MMSZ5225B
C5, C5
30
1600
MMSZ5226B G1, G1, D1
28
1600
MMSZ5227B G2, G2, D2
24
1700
MMSZ5228B G3, G3, D3
23
1900
MMSZ5229B G4, G4, D4
22
2000
MMSZ5230B G5, G5, D5
19
1900
MMSZ5231B
E1, E1
17
1600
MMSZ5232B
E2, E2
11
1600
MMSZ5233B
E3, E3
7
1600
MMSZ5234B
E4, E4
7
1000
MMSZ5235B
E5, E5
5
750
MMSZ5236B
F1, F1
6
500
MMSZ5237B
F2, F2
8
500
MMSZ5238B
F3, F3
8
600
MMSZ5239B
F4, F4
10
600
MMSZ5240B
F5, F5
17
600
MMSZ5241B
H1, H1
22
600
MMSZ5242B
H2, H2
30
600
MMSZ5243B
H3, H3
13
600
MMSZ5245B
H5, H5
16
600
MMSZ5246B
J1, J1
17
600
MMSZ5248B
J3, J3
21
600
MMSZ5250B
J5, J5
25
600
MMSZ5251B
K1, K1
29
600
MMSZ5252B
K2, K2
33
600
MMSZ5254B
K4, K4
41
600
MMSZ5255B
K5, K5
44
600
MMSZ5256B
M1, M1
49
600
MMSZ5257B
M2, M2
58
700
MMSZ5258B
M3, M3
70
700
MMSZ5259B
M4, M4
80
800
Notes:
1. Short duration test pulse used to minimize self-heating effect.
2
2. Device mount on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm .
3. f = 1 kHz
unless otherwise specified
Maximum Ratings @ T
A
=25
Characteristic
Symbol
Value
Forward Voltage (Note 1) @ I
F
= 10 mA
V
F
0.9
Power Dissipation
(Note 2)
P
d
500
Thermal Resistance, Junction to Ambient Air
(Note 2)
R
JA
350
Operating and Storage Temperature Range
T
J
, T
STG
-65 ~ +150
Notes:
1. Short duration test pulse used in minimizes self-heating effect.
2
2. Device mount on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm .
Nom
V
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
15
16
18
20
22
24
27
28
30
33
36
39
V
Z
@ I
ZT
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
14.25
15.20
17.10
19.00
20.90
22.80
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
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
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
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
I
R
@ V
R
µA
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
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
11
12
14
15
17
18
21
21
23
25
27
30
Unit
V
mW
/W
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 1 of 3
Features
l
RoHS Compliant
l
Planar Die Construction
l
General Purpose Dissipation
l
Ideally suited for Automated Assembly Process
Mech anical Dat a
l
Case: SOD-123, Plastic
l
Case material – UL Flammability Rating Classification 94V-0
l
Moisture sensitivity: Level 1 per J-STD-020A
l
Terminals: Solderable per MIL-STD-202, Method 208
l
Polarity: Cathode Band
l
Weight: 0.01 grams (approx.)
Outline
H
G
A
B
C
E
D
J
SOD-123
Dim
Min
Max
A
3.55
3.85
B
2.55
2.85
C
1.40
1.70
D
-
1.35
E
0.55 Typical
G
0.25
-
H
0.11 Typical
J
-
0.10
0°
8°
All Dimensions in mm
Electrical Characteristic Curves @ T
A
=25
1000
T
j
= 25 °C
0.6
0.5
P
D
, POWER DISSIPATION (W)
0.4
C
T
, TOTAL CAPACITANCE (pF)
100
V
R
= 1V
0.3
0.2
V
R
= 2V
0.1
10
1
0
0
25
50
75
100
125
150
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Dissipation vs Ambient Temperature
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Fig. 2 Total Capacitance vs Nominal Zener Voltage
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 2 of 3
1000
1000
I
Z
= 1.0mA
100
P
PK
, PEAK SURGE POWER (W)
100
100
10
10
1
1
10
V
Z
, NOMINAL ZENER VOLTAGE (V)
Fig. 3 Zener Voltage vs. Zener Impedence
1
1
10
100
1000
PULSE WIDTH (ms)
Fig. 4 Maximum Non-repetitive Surge Power
50
30
T
j
= 25°C
5V6
6V8
T
j
= 25°C
10
12
40
I
Z
, ZENER CURRENT (mA)
8V2
I
Z
, ZENER CURRENT (mA)
20
Test current I
Z
15
Nominal Zener Voltage
30
18
20
10
22
27
33
36
39
10
Test Current I
Z
20mA
0
0
1
3
4
5
6
8
9
7
V
Z
, ZENER VOLTAGE (V)
Fig. 5 Zener Breakdown Characteristics
2
10
0
0
10
20
30
V
Z
, ZENER VOLTAGE (V)
Fig. 6 Zener Breakdown Characteristics
40
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 3 of 3
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