MMSZ5221B
THRU
MMSZ5270B
SURFACE MOUNT ZENER DIODE
VOLTAGE RANGE 2.4 to 91 Volts POWER RATING 500 mWatts
FEATURES
* Planar Die Construction
* 500mW Power Dissipation
* General Purpose, Medium Current
* Ldeally Suited for Automated Assembly Processes
* ESD Rating of Class 3
(>
16
kV)
per Human
Body Model
* MSL: Level 1
* P/N suffix V means AEC-Q101 qualified, e.g:MMSZ5221BV
* Halogen-free
SOD-123
MECHANICAL DATA
*
*
*
*
*
Case: Molded plastic
Epoxy: UL 94V-O rate flame retardant
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 0.01 gram
.110(2.80)
.102(2.60)
.067(1.70)
.059(1.50)
.026(.65)
.018(.45)
.152(3.85)
.140(3.55)
.006(.15)
.003(.08)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
o
.049(1.25)
.041(1.05)
.004(0.10)
.000(0.00)
REF .020(0.50)
Dimensions in inches and (millimeters)
MAXIMUM RATINGES
( @ T
A
= 25
o
C unless otherwise noted )
RATINGS
Max. Steady State Power Dissipation @T
A
=25
o
C (Note 1)
Max. Operating Temperature Range
Storage Temperature Range
SYMBOL
P
D
T
J
T
STG
VALUE
500
-65 to +150
-65 to +150
UNITS
mW
o
C
C
o
ELECTRICAL CHARACTERISTICS
( @ T
A
= 25
o
C unless otherwise noted )
CHARACTERISTICS
Thermal Resistance Junction to Ambient (Note 1)
Max. Instantaneous Forward Voltage at I
F=
10mA
SYMBOL
R
JA
MIN.
-
-
TYP.
-
-
MAX.
350
0.9
UNITS
o
C/W
V
F
Volts
2020-03/08
REV: G
Note 1. Dveice mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25 mm
2
.
Zener voltage Range (Note 1)
V
Z
(V) @ I
ZT
TYPE
MARKING
Nom
Volts
MMSZ5221B
MMSZ5222B
MMSZ5223B
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5233B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5238B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5244B
MMSZ5245B
MMSZ5246B
MMSZ5247B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5254B
MMSZ5255B
MMSZ5256B
MMSZ5257B
MMSZ5258B
MMSZ5259B
MMSZ5260B
MMSZ5261B
MMSZ5262B
MMSZ5263B
MMSZ5264B
MMSZ5265B
MMSZ5266B
MMSZ5267B
MMSZ5268B
MMSZ5269B
MMSZ5270B
C1
C2
C3
C5
G1
G2
G3
G4
G5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H4
H5
J1
J2
J3
J5
K1
K2
K4
K5
M1
M2
M3
M4
M5
N1
N2
N3
N4
N5
P1
P2
P3
P4
P5
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
14
15
16
17
18
20
22
24
27
28
30
33
36
39
43
47
51
56
60
62
68
75
82
87
91
Min
Volts
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
13.3
14.25
15.20
16.15
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
48.45
53.20
57.00
58.90
64.60
71.25
77.90
82.65
86.45
Max
Volts
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
14.7
15.75
16.80
17.85
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
58.80
63.00
65.10
71.40
78.75
86.10
91.35
95.55
Test
current
Maximum Zener impedance
Z
ZT
at I
ZT
at
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Maximum Reverse
leakage current
Z
ZK
1200
1250
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
900
1000
1100
1300
1400
1400
1600
1700
2000
2200
2300
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
9.0
8.5
7.8
7.4
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
1.5
1.4
1.4
30
30
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
25
29
33
41
44
49
58
70
80
93
105
125
150
170
185
230
270
330
370
400
I
R
(uA)
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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
at V
R
(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
10
11
12
13
14
15
17
18
21
21
23
25
27
30
33
36
39
43
46
47
52
56
62
68
69
Note 1. Tested with pulses,Tp<1.0ms.
RATING AND CHARACTERISTICS CURVES ( MMSZ5221B-MMSZ5 270B )
0.6
PD,POWER DISSIPATION(W)
0.5
0.4
0.3
0.2
0.1
0
0
25
50
75
100
O
1000
T
J
= 25 C
CT,TOTAL CAPACITANCE(pF)
O
100
V
R
= 1V
V
R
= 2V
10
125
150
1
10
VZ,NOMINAL ZENER VOLTAGE(V)
100
TA,AMBIENT TEMPERATURE( C)
=
Figure 1 Power Dissipation vs Ambient Temperature
1000
DYNAMIC ZENER IMPEDANCE(
Ω
)
50
40
Figure 2 Typical Capacitance
T
J
= 25
O
C
5V6
6V8
8V2
30
I
Z
=
1.0mA
100
IZ,ZENER CURRENT(mA)
10
20
Test Current I
20mA
10
1
1
10
VZ,NOMINAL ZENER VOLTAGE(V)
0
100
0
1
2
3
4
5
6
7
8
9
10
VZ,ZENER VOLTAGE(V)
Figure 3 Zener Voltage vs Zener Impedence
30
TJ 25
O
C
Figure 4 Zener Breakdown Characteristics
100
t
r
PEAK VALUE I
RSM
@ 8 ˇ s
PULSE WIDTH (t
P
) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY 8 ˇ s
HALF VALUE I
RSM
/2 @ 20 ˇ s
12
IZ,ZENER CURRENT(mA)
20
Test Current Iz
15
18
22
Nominal Zener Voltage
% OF PEAK PULSE CURRENT
10
90
80
70
60
50
40
30
20
10
0
0
10
27
33
36 39
t
P
0
0
10
20
VZ,ZENER VOLTAGE(V)
30
40
20
40
t, TIME ( ˇ )
s
60
80
Figure 5 Zener Breakdown Characteristics
Figure 6. 8× 20 s Pulse Waveform
RATING AND CHARACTERISTICS CURVES ( MMSZ5221B-MMSZ5 270B )
40
100
θ
VZ
, TEMPERATURE COEFFICIENT (mV/ )
35
30
25
20
15
10
5
TYPICAL T
a
VALUES
FOR MMSZ52XXB SERIES
I
R
, LEAKAGE CURRENT (uA)
10
Pulsed
1
V
Z
@ I
ZT
0.1
0.01
1E-3
0
-5
0
4
8
12
16
20
24
28
32
36
40
44
1E-4
0
5
T
a
=100
T
a
=25
10
15
20
25
30
35
40
45
V
Z
, NOMINAL ZENER VOLTAGE (V)
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure
7 Ty pical Capacitance
Figure 8
Effect of Zener Voltage on Zener Impedance
1000
RECTANGULAR
WAVEFORM, T
A
= 25°C
100
PEAK SURGE POWER (WATTS)
10
P
pk
1
0.1
1
10
PW, PULSE
WIDTH
(ms)
100
1000
Figure
9.
Maimum Nonrepetitie Surge
P
o
wer
REEL TAPING SPECIFICATIONS FOR
SURFACE MOUNT DEVICES-SOD-123
Fig.: Configuration of SOD-123 TAPING
ITEM
Carrier width
Carrier length
Carrier depth
Sprocket hole
Reel outside diameter
Reel inner diameter
Feed hole diameter
Strocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
Punch hole diameter
SYMBOL
A
0
B
0
K
0
D
A
B
C
E
F
P
P
0
P
1
t
W
T
D
1
SPECIFICATIONS (mm)
1.95 Max.
4.04 Max.
1.67 Max.
1.55 0.05
178 1.0
54 Min.
13.0 0.20
1.75 0.10
3.5 0.05
4.0 0.10
4.0 0.10
2.0 0.05
0.216 Max.
8.0+0.2/-0.1
12.5 Max.
1.25 Max.
SPECIFICATIONS (inch)
0.077 Max.
0.159 Max.
0.066 Max.
0.061 0.002
7.009 0.039
2.126 Min.
0.512 0.008
0.069 0.004
0.138 0.002
0.158 0.004
0.158 0.004
0.079 0.002
0.009 Max.
0.315+0.008/-0.004
0.492 Max.
0.049 Max.
Note :
Devices are packed in accordance with EIA standard RS-481-D and specification given above. Available only for
SOD-123 devices.
Visit http:// www.rectron.com for complete datasheets
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