Surface Mount Zener Diode
MMSZ52XXBS Series
A suffix of "-C" specifies halogen-free
Electrical Characteristics @ T
A
=25 C unless otherwise specified
Zener Voltage Range
(Note 1)
200mW, SOD-323
Maximum Reverse
Leakage Current
(Note 1)
Type
Number
Marking
Code
MMSZ5221BS C1
1A
30
1200
1B
MMSZ5222BS C2
30
1250
1C
MMSZ5223BS C3
30
1300
1E
30
1600
MMSZ5225BS C5
MMSZ5226BS D1
8A
28
1600
8B
MMSZ5227BS D2
24
1700
8C
MMSZ5228BS D3
23
1900
8D
22
2000
MMSZ5229BS D4
MMSZ5230BS D5
19
1900
8E
MMSZ5231BS E1
17
1600
8F
11
1600
8G
MMSZ5232BS E2
MMSZ5233BS E3
7
1600
8H
MMSZ5234BS E4
7
1000
8J
MMSZ5235BS E5
5
750
8K
MMSZ5236BS F1
6
500
8L
MMSZ5237BS F2
8
500
8M
MMSZ5238BS F3
8
600
8N
MMSZ5239BS F4
10
600
8P
MMSZ5240BS F5
17
600
8Q
MMSZ5241BS H1
22
600
8R
MMSZ5242BS H2
30
600
8S
MMSZ5243BS H3
13
600
8T
MMSZ5245BS H5
16
600
8V
MMSZ5246BS J1
17
600
8W
MMSZ5248BS J3
21
600
8Y
MMSZ5250BS J5
25
600
2A
MMSZ5251BS K1
29
600
2B
MMSZ5252BS K2
33
600
2C
MMSZ5254BS K4
41
600
2E
MMSZ5255BS K5
44
600
2F
MMSZ5256BS M1
49
600
2G
MMSZ5257BS M2
58
700
2H
MMSZ5258BS M3
70
700
2J
MMSZ5259BS M4
2K
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
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
Maximum Zener
Impedance
(Note 3)
V
ZK
@ I
ZK
Z
ZT
@I
ZT
= 0.25mA
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
unless otherwise specified
Maximum Ratings @ T
A
=25
Characteristic
Symbol
Value
Forward Voltage (Note 1) @ I
F
= 10 mA
V
F
1.0
Power Dissipation
(Note 2)
P
d
200
Thermal Resistance, Junction to Ambient Air
(Note 2)
R
JA
650
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 .
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-323, 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: 0.005 grams (approx.)
Outline
H
G
A
B
C
E
D
J
SOD-323
Dim
Min
Max
A
2.30
2.70
B
1.95
1.75
C
1.15
1.35
D
-
0.95
E
0.31 Typical
G
0.15
-
H
0.11 Typical
J
-
0.10
0°
8°
All Dimensions in mm
Electrical Characteristic Curves @ T
A
=25
10
-1
10
0
ZENER CURRENT, Amperes
ZENER CURRENT, Amperes
10
-1
2.4V
3.0V
4.7V
6.8V
10V
10
-2
10
-2
15V
20V
30V
39V
10
-3
10
-3
10
-4
10
-5
10
-4
10
-6
10
-7
10
-5
10
-8
0
2
4
6
8
10
12
10
15
20
25
30
35
40
45
ZENER VOLTAGE, VOLTS
ZENER VOLTAGE, VOLTS
Fig.1 ZENER VOLTAGE VERSUS ZENER CURRENT
Fig.2 ZENER VOLTAGE VERSUS ZENER CURRENT
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 2 of 3
TEMPERATURE COEFFICIENT,(mA/
O
C)
8
7
6
5
4
3
2
1
TEMPERATURE COEFFICIENT,(mA/
O
C)
100
10
0
-1
-2
-3
2
3
4
5
6
7
8
9
10
11
12
1
10
100
NOMINAL ZENER VOLTAGE,VOLTS
NOMINAL ZENER VOLTAGE,VOLTS
Fig.3 TEMPERATURE COEFFICENTS
Fig.4 TEMPERATURE COEFFICENTS
1000
DYNAMIC IMPEDANCE,W
FORWARD CURRENT,mA
T
J
=25 C
I
Z(AC)=0.1
I
Z(DC)
F=1 kHZ
O
1000
IZ = 1 mA
100
5 mA
20 mA
100
10
10
150
O
C
75
O
C
25
O
C
5C
O
1
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
FORWARD VOLTAGE, VOLTS
Fig.5 EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE
Fig.6 TYPICAL FORWARD VOLTAGE
1000
0.6
POWER DISSIPATION, Watts
0 V BIAS
1 V BIAS
T
A
=25
O
C
T
A
=25
o
C
0.5
0.4
0.3
CAPACITANCE,pF
100
BIASAT
50% OF VZ NOM
10
0.2
0.1
1
0
0
25
50
75
O
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
100
125
150
TEMPERATURE ( C)
Fig.7 STEADY STATE POWER DERATING
Fig.7 TYPICAL CAPACITANCE
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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