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
• P/N suffix V means AEC-
Q101qualified,
e.g:MMSZ5221BSV
• P/N suffix V means Halogen-free
Maximum Ratings(T
a
=25
Forward Voltage (Note 2)
Power Dissipation(Note 1)
unless otherwise specified)
Symbol
@ I
F
= 10mA
V
F
P
D
R
θJA
T
j
T
stg
Value
0.9
500
625
-30~+150
-55~+150
Unit
V
mW
℃/W
℃
℃
Characteristic
Thermal Resistance, Junction to Ambient Air
Junction Temperature
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 mm
2
.
2. Tested with pulses, Tp 1.0ms.
2018-08/02
REV:B
ELECTRICAL CHARACTERISTICS
a
=25
unless otherwise specified
Maximum
Maximum Zener Impedance
Zener Voltage Range (Note 2)
Type
Code
Number
V
Z
@I
ZT
Nom(V)
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
13.30
14.25
15.20
17.10
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
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
14.70
15.75
16.80
18.90
21.00
23.10
25.20
26.25
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
9.5
9.0
8.5
7.8
7.0
6.2
5.6
5.2
5.0
5.0
4.5
4.2
3.8
3.4
3.2
30
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
21
25
29
33
35
41
44
49
58
70
80
Z
ZT
@I
ZT
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
600
600
700
700
800
Z
ZK
@I
ZK
I
ZK
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
uA
100
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.05
0.1
0.05
0.1
0.05
0.1
0.05
0.1
0.05
0.1
0.05
0.1
0.05
0.1
0.05
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
10
11
12
14
15
17
18
19
21
21
23
25
27
30
(Note 4)
Current
Reverse
MMSZ5221BS
MMSZ5223BS
MMSZ5225BS
MMSZ5226BS
MMSZ5227BS
MMSZ5228BS
MMSZ5229BS
MMSZ5230BS
MMSZ5231BS
MMSZ5232BS
MMSZ5233BS
MMSZ5234BS
MMSZ5235BS
MMSZ5236BS
MMSZ5237BS
MMSZ5238BS
MMSZ5239BS
MMSZ5240BS
MMSZ5241BS
MMSZ5242BS
MMSZ5243BS
MMSZ5244BS
MMSZ5245BS
MMSZ5246BS
MMSZ5248BS
MMSZ5250BS
MMSZ5251BS
MMSZ5252BS
MMSZ5253BS
MMSZ5254BS
MMSZ5255BS
MMSZ5256BS
MMSZ5257BS
MMSZ5258BS
MMSZ5259BS
C1
C3
C5
G1
G2
G3
G4
G5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H4
H5
J1
J3
J5
K1
K2
K3
K4
K5
M1
M2
M3
M4
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
14
15
16
18
20
22
24
25
27
28
30
33
36
39
0.05
0.1
0.1
0.05
0.05
0.1
RATING AND CHARACTERISTICS CURVES (MMSZ5221BS THRU MMSZ5259BS )
Zener Characteristics V
Z
Up to 10 V
100
100
Zener Characteristics 11 V to 39 V
T
a
=25
Pulsed
I
Z
, ZENER CURRENT (mA)
P
D
=200mW
T
a
=25
Pulsed
I
Z
, ZENER CURRENT (mA)
P
D
=200mW
10
10
20
22
24
11
12
13
14
15
16
28
30
25
27
33
36
5.1
4.3
4.7
5.6
6.0
6.2
6.8
3.0
7.5
8.7
9.1
1
8.2
10
1
0.5
1
2
3
4
5
6
7
8
9
10
11
0.5
10
15
18
20
25
30
35
39
40
45
V
Z
, ZENER VOLTAGE (V)
V
Z
, ZENER VOLTAGE (V)
Temperature Coefficients
40
100
Typical Leakage Current
Pulsed
10
θ
VZ
, TEMPERATURE COEFFICIENT (mV/ )
35
30
25
20
15
10
5
TYPICAL T
a
VALUES
FOR MMSZ52XXBS SERIES
I
R
, LEAKAGE CURRENT (uA)
1
V
Z
@ I
ZT
0.1
0.01
1E-3
0
T
a
=100
T
a
=25
-5
0
4
8
12
16
20
24
28
32
36
40
44
1E-4
0
5
10
15
20
25
30
35
40
45
V
Z
, NOMINAL ZENER VOLTAGE (V)
1000
V
Z
, NOMINAL ZENER VOLTAGE (V)
Typical Capacitance
3000
Effect of Zener Voltage on Zener Impedance
T
a
=25
f=1MHz
Z
ZT
, DYNAMIC IMPEDANCE(Ω)
1000
T
a
=25
I
Z
=0.25mA
I
Z(AC)
=0.1I
Z(DC)
f=1kHz
C, CAPACITANCE (pF)
100
0V BIAS
1V BIAS
100
10
I
ZT
10
BIAS AT
50% OF V
Z
NOM
1
1
10
100
1
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
250
600
0
V
Z
, NOMINAL ZENER VOLTAGE (V)
Power Derating Curve
(mW)
POWER DISSIPATION
P
D
200
500
0
150
400
0
100
300
0
50
200
0
100
0
0
25
50
75
100
125
150
AMBIENT TEMPERATURE
T
(
)
RECTRON
Attachment information about MMSZ5235BS
Marking on the body
E 5
Cathode Band
Part No.
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