MMSZ5221BS MMSZ5259BS 1 of 3 © 2002 Won-Top Electronics
MMSZ5221BS MMSZ5259BS
200mW SURFACE MOUNT ZENER DIODE
Features
! Planar Die Construction
! 200mW Power Dissipation A
! 2.4 – 39V Nominal Zener Voltage
! 5% Standard Vz Tolerance
! Designed for Surface Mount Application C
! Plastic Material UL Recognition Flammability D
Classification 94V-O B

E
Mechanical Data
! Case: SOD-323, Molded Plastic
! Terminals: Plated Leads Solderable per
MIL-STD- 202, Met hod 208
! Polarity: Cathode Band
! Weight: 0.004 grams (approx.)
! Marking: Device Code (See Table Next Page) H
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Pulse Power Diss i pation at T A = 25°C (Note 1) Pd200 mW
Forward Voltage @ IF = 10mA VF0.9 V
Thermal Resist ance Juncti on to Ambient (Not e 1) RJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Note: 1. Valid provided that device terminals are kept at ambient temperature.
WTE
POWER SEMICONDUCTORS
SOD-323
Dim Min Max
A2.30 2.70
B1.75 1.95
C1.15 1.35
D0.25 0.35
E0.05 0.15
G0.70 0.95
H0.30
All Dimensions in mm
G
MMSZ5221BS MMSZ5259BS 2 of 3 © 2002 Won-Top Electronics
Electrical Characteristics @TA=25°C unless otherwise specified
Zener Voltage Range
(Note 2) Maximum Zener Impedance
(Note 3) Max Reverse
Leakage Current
VZ @ IZT ZZT @ IZT ZZK @ IZK IR@ VR
Typical Temp.
Coefficient of
Zener Voltage
Type
Number
(Note 1)
Device
Marking
Code Nom (V) Min (V) Max (V) (
)(mA)(
)(mA)(µA) (V) (%/K)
MMSZ5221BS
MMSZ5222BS
MMSZ5223BS
MMSZ5225BS
C1
C2
C3
C5
2.4
2.5
2.7
3.0
2.28
2.38
2.57
2.85
2.52
2.63
2.84
3.15
30
30
30
30
20
20
20
20
1200
1200
1300
1600
0.25
0.25
0.25
0.25
100
100
75
50
1.0
1.0
1.0
1.0
-0.075
-0.075
-0.075
-0.075
MMSZ5226BS
MMSZ5227BS
MMSZ5228BS
MMSZ5229BS
D1
D2
D3
D4
3.3
3.6
3.9
4.3
3.14
3.42
3.71
4.09
3.47
3.78
4.10
4.52
28
24
23
22
20
20
20
20
1600
1700
1900
2000
0.25
0.25
0.25
0.25
25
15
10
5.0
1.0
1.0
1.0
1.0
-0.070
-0.065
-0.060
-0.055
MMSZ5230BS
MMSZ5231BS
MMSZ5232BS
MMSZ5234BS
D5
E1
E2
E4
4.7
5.1
5.6
6.2
4.47
4.85
5.32
5.89
4.94
5.36
5.88
6.51
19
17
11
7.0
20
20
20
20
1900
1600
1600
1000
0.25
0.25
0.25
0.25
5.0
5.0
5.0
5.0
2.0
2.0
3.0
4.0
±0.030
±0.030
+0.038
+0.045
MMSZ5235BS
MMSZ5236BS
MMSZ5237BS
MMSZ5239BS
E5
F1
F2
F4
6.8
7.5
8.2
9.1
6.46
7.13
7.79
8.65
7.14
7.88
8.61
9.56
5.0
6.0
8.0
10
20
20
20
20
750
500
500
600
0.25
0.25
0.25
0.25
3.0
3.0
3.0
3.0
5.0
6.0
6.5
7.0
+0.050
+0.058
+0.062
+0.068
MMSZ5240BS
MMSZ5241BS
MMSZ5242BS
MMSZ5243BS
F5
H1
H2
H3
10
11
12
13
9.50
10.45
11.40
12.35
10.50
11.55
12.60
13.65
17
22
30
13
20
20
20
9.5
600
600
600
600
0.25
0.25
0.25
0.25
3.0
2.0
1.0
0.5
8.0
8.4
9.1
9.9
+0.075
+0.076
+0.077
+0.079
MMSZ5245BS
MMSZ5246BS
MMSZ5248BS
MMSZ5250BS
H5
J1
J3
J5
15
16
18
20
14.25
15.20
17.10
19.00
15.75
16.80
18.90
21.00
16
17
21
25
8.5
7.8
7.0
6.2
600
600
600
600
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
11
12
14
15
+0.082
+0.083
+0.085
+0.086
MMSZ5251BS
MMSZ5252BS
MMSZ5254BS
MMSZ5255BS
K1
K2
K4
K5
22
24
27
28
20.90
22.80
25.65
26.60
23.10
25.20
28.35
29.40
29
33
41
44
5.6
5.2
4.6
4.5
600
600
600
600
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
17
18
21
21
+0.087
+0.087
+0.090
+0.091
MMSZ5256BS
MMSZ5257BS
MMSZ5258BS
MMSZ5259BS
M1
M2
M3
M4
30
33
36
39
28.50
31.35
34.20
37.05
31.50
34.65
37.80
40.95
49
58
70
80
4.2
3.8
3.4
3.2
600
700
700
800
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
23
25
27
30
+0.091
+0.092
+0.093
+0.094
Note: 1. Type numbers listed have standard tol erance on the nominal zener vol tage of ±5%.
2. Measured with pulses tp = 1ms.
3. f = 1KHz
MMSZ5221BS MMSZ5259BS 3 of 3 © 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.!
!!
!Package Type Shipping Quantity
MMSZ52xxBS-T1
SOD-323 5000/Tape & Reel
MMSZ52xxBS-T3 SOD-323 10000/Tape & Reel
Products listed in bold are WTE Preferred devices.
!T1 suffix refers to a 7” reel. T3 suffix refers to a 13” reel.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.
RECOMMENDED FOOTPRINT
inches
(
mm
)
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer . WTE reserves the right to change any or all information herein without further notice.
WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
We power your everyday.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Tai wan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http://www. wont op.com
0.047
(1.20)
0.055
(1.40)
0.062
(1.60)