JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD
SOD-323 Plastic-Encapsulate Diodes
MMSZ5221BS-MMSZ5259BS ZENER DIODE
SOD-323
FEATURES
• Planar Die Construction
• Ultra-Small Surface Mount Package
• General purpose, Medium Current
• Ideally Suited for Automated Assembly Processes
Maximum Ratings(Ta=25℃ unless otherwise specified)
Characteristic
Forward Voltage (Note 2)
@ IF = 10mA
Symbol
Value
Unit
VF
0.9
V
Power Dissipation(Note 1)
PD
200
mW
Thermal Resistance, Junction to Ambient Air
RθJA
625
TJ,Tstg
-55~+150
℃/W
Я
Operation Junction and Storage Temperature Range
Notes:1. Device mounted on ceramic PCBS; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm2.
2. Tested with pulses, Tp≤1.0ms.
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1
Rev. - 2.1
ELECTRICAL CHARACTERISTICS
Ta=25℃ unless otherwise specified
Type
Number
Maximum Zener Impedance
Zener Voltage Range (Note 2)
(Note 4)
Code
VZ@IZT
IZT
Nom(V)
Min(V)
Max(V)
mA
ZZT@IZT
ZZK@IZK
Ω
Maximum
Reverse
Current
IZK
IR
VR
mA
uA
V
MMSZ5221BS
C1
2.4
2.28
2.52
20
30
1200
0.25
100
1.0
MMSZ5223BS
C3
2.7
2.57
2.84
20
30
1300
0.25
75
1.0
MMSZ5225BS
C5
3.0
2.85
3.15
20
30
1600
0.25
50
1.0
MMSZ5226BS
G1
3.3
3.14
3.47
20
28
1600
0.25
25
1.0
MMSZ5227BS
G2
3.6
3.42
3.78
20
24
1700
0.25
15
1.0
MMSZ5228BS
G3
3.9
3.71
4.10
20
23
1900
0.25
10
1.0
MMSZ5229BS
G4
4.3
4.09
4.52
20
22
2000
0.25
5
1.0
MMSZ5230BS
G5
4.7
4.47
4.94
20
19
1900
0.25
5
2.0
MMSZ5231BS
E1
5.1
4.85
5.36
20
17
1600
0.25
5
2.0
MMSZ5232BS
E2
5.6
5.32
5.88
20
11
1600
0.25
5
3.0
MMSZ5233BS
E3
6.0
5.70
6.30
20
7
1600
0.25
5
3.5
MMSZ5234BS
E4
6.2
5.89
6.51
20
7
1000
0.25
5
4.0
MMSZ5235BS
E5
6.8
6.46
7.14
20
5
750
0.25
3
5.0
MMSZ5236BS
F1
7.5
7.13
7.88
20
6
500
0.25
3
6.0
MMSZ5237BS
F2
8.2
7.79
8.61
20
8
500
0.25
3
6.5
MMSZ5238BS
F3
8.7
8.27
9.14
20
8
600
0.25
3
6.5
MMSZ5239BS
F4
9.1
8.65
9.56
20
10
600
0.25
3
7.0
MMSZ5240BS
F5
10
9.50
10.50
20
17
600
0.25
3
8.0
MMSZ5241BS
H1
11
10.45
11.55
20
22
600
0.25
2.0
8.4
MMSZ5242BS
H2
12
11.40
12.60
20
30
600
0.25
1.0
9.1
MMSZ5243BS
H3
13
12.35
13.65
9.5
13
600
0.25
0.5
9.9
MMSZ5244BS
H4
14
13.30
14.70
9.0
15
600
0.25
0.1
10
MMSZ5245BS
H5
15
14.25
15.75
8.5
16
600
0.25
0.1
11
MMSZ5246BS
J1
16
15.20
16.80
7.8
17
600
0.25
0.1
12
MMSZ5248BS
J3
18
17.10
18.90
7.0
21
600
0.25
0.1
14
MMSZ5250BS
J5
20
19.00
21.00
6.2
25
600
0.25
0.1
15
MMSZ5251BS
K1
22
20.90
23.10
5.6
29
600
0.25
0.1
17
MMSZ5252BS
K2
24
22.80
25.20
5.2
33
600
0.25
0.1
18
MMSZ5253BS
K3
25
23.75
26.25
5.0
35
600
0.25
0.1
19
MMSZ5254BS
K4
27
25.65
28.35
5.0
41
600
0.25
0.1
21
MMSZ5255BS
K5
28
26.60
29.40
4.5
44
600
0.25
0.1
21
MMSZ5256BS
M1
30
28.50
31.50
4.2
49
600
0.25
0.1
23
MMSZ5257BS
M2
33
31.35
34.65
3.8
58
700
0.25
0.1
25
MMSZ5258BS
M3
36
34.20
37.80
3.4
70
700
0.25
0.1
27
MMSZ5259BS
M4
39
37.05
40.95
3.2
80
800
0.25
0.1
30
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2
Rev. - 2.1
Typical Characteristics
Notes:Our company currently provide 3.0V-39V products only
Zener Characteristics(VZ Up to 10 V)
Pulsed
10
1
0.5
PD =200mW
1
2
3
4
5
6
7
8
9
10
0.5
10
11
15
20
39
33
28
30
24
25
27
36
40
45
Pulsed
FOR MMSZ52XXBS SERIES
10
30
IR, LEAKAGE CURRENT (uA)
θVZ, TEMPERATURE COEFFICIENT (mV/℃)
35
TYPICAL Ta VALUES
35
25
20
VZ @ IZT
15
10
1
0.1
0.01
5
Ta=100℃
1E-3
0
Ta=25℃
0
4
8
12
16
20
24
28
32
36
40
1E-4
44
0
5
10
25
30
35
40
45
Effect of Zener Voltage on Zener Impedance
Ta=25℃
f=1MHz
ZZT, DYNAMIC IMPEDANCE(Ω)
1000
0V BIAS
1V BIAS
10
BIAS AT
50% OF VZ NOM
1
20
3000
Ta=25℃
100
15
VZ, NOMINAL ZENER VOLTAGE (V)
Typical Capacitance
1000
C, CAPACITANCE (pF)
30
Typical Leakage Current
100
VZ, NOMINAL ZENER VOLTAGE (V)
10
IZ(AC)=0.1IZ(DC)
IZ=0.25mA
f=1kHz
100
IZT
10
1
100
1
10
100
VZ, NOMINAL ZENER VOLTAGE (V)
VZ, NOMINAL ZENER VOLTAGE (V)
Power Derating Curve
250
200
POWER DISSIPATION
PD
(mW)
25
VZ, ZENER VOLTAGE (V)
Temperature Coefficients
40
1
22
1
VZ, ZENER VOLTAGE (V)
-5
20
10
11
12
13
14
15
16
9.1
8.7
8.2
7.5
6.2
6.8
5.1
5.6
6.0
4.3
4.7
10
3.0
IZ, ZENER CURRENT (mA)
Ta =25℃
PD =200mW
Pulsed
18
Ta =25℃
Zener Characteristics(11 V to 39 V)
100
IZ, ZENER CURRENT (mA)
100
150
100
50
0
0
25
50
75
AMBIENT TEMPERATURE
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100
Ta
125
150
(℃ )
3
Rev. - 2.1
CHANGJING ELEC.TECH.
PACKAGE OUTLINE AND PAD LAYOUT INFORMATION
Dimensions In Millimeters
Min
Max
1.100
0.000
0.100
1.000
0.800
0.250
0.350
0.080
0.150
1.200
1.400
1.600
1.800
2.750
2.500
0.475 REF
0.250
0.400
0°
8°
Symbol
A
A1
A2
b
c
D
E
E1
L
L1
θ
Dimensions In Inches
Min
Max
0.043
0.000
0.004
0.039
0.031
0.010
0.014
0.003
0.006
0.047
0.055
0.063
0.071
0.098
0.108
0.019 REF
0.010
0.016
0°
8°
NOTICE
JSCJ reserves the right to make modifications,enhancements,improvements,corrections or other
changes without further notice to any product herein. JSCJ does not assume any liability arising
out of the application or use of any product described herein.
www.jscj-elec.com
4
Rev. - 2.1
SOD-323 Tape and Reel
www.jscj-elec.com
5
Rev. - 2.1
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