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®
WON-TOP ELECTRONICS
MMBZ5221BW – MMBZ5262BW
200mW SURFACE MOUNT ZENER DIODE
Pb
Features
Planar Die Construction
200mW Power Dissipation
2.4V – 51V Nominal Zener Voltage
5% Standard Vz Tolerance
Designed for Surface Mount Application
Plastic Material – UL Recognition Flammability
Classification 94V-0
B
Mechanical Data
Case: SOT-323, Molded Plastic
K
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.006 grams (approx.)
Mounting Position: Any
Marking: Device Code
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
A
ED
H
G
TOP VIEW
C
J
L
M
SOT-323
Dim Min Max
A
0.15
0.40
B
1.15
1.35
C
2.00
2.30
D 0.65 Nominal
E
0.30
0.40
G
1.20
1.40
H
1.80
2.20
J — 0.10
K
0.90
1.10
L 0.25 —
M
0.05
0.15
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Peak Pulse Power Dissipation at TA = 25°C (Note 1)
Forward Voltage @ IF = 10mA
Thermal Resistance Junction to Ambient (Note 1, 2)
Operating and Storage Temperature Range
Symbol
PD
VF
R JA
Tj, TSTG
Note: 1. Mounted on FR-4 PCB with minimum recommended pad layout.
2. Thermal resistance measurement obtained via infrared scan method.
Value
200
0.9
625
-65 to +150
Unit
mW
V
°C/W
°C
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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MMBZ5221BW – MMBZ5262BW
0.5 40
TJ = 25°C
2V4
0.4
2V7
3V0
30 3V3
3V6
3V9
0.3 4V3
Mounted on FR-4 PCB with
Minimum Recommended
Pad Layout
20
4V7
5V1
0.2
10
0.1
®
WON-TOP ELECTRONICS
5V6 6V8 8V2
6V2 7V5 9V1
0
0
25
20
15
10
5
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
150
10
12
15
18
TJ = 25°C
22
27
33
36
0
0 1 2 3 4 5 6 7 8 9 10
VZ, ZENER VOLTAGE (V)
Fig. 2 Zener Breakdown Characteristics
10
39 47
TJ = 25°C
43 51
8
6
4
2
0
0
1000
5 10 15 20 25 30 35 40 45 50
VZ, ZENER VOLTAGE (V)
Fig. 3 Zener Breakdown Characteristics
0
0 10 20 30 40 50 60 70 80 90 100
VZ, ZENER VOLTAGE (V)
Fig. 4 Zener Breakdown Characteristics
1000
TJ = 25°C
f = 1MHz
100
TJ = 100°C
10
TJ = 25°C
@ 0V Bias
100 @ 1V Bias
1
0
0.2 0.4 0.6 0.8 1.0
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 5 Typical Forward Characteristics
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2
10
1
10 100
VZ, NOMINAL ZENER VOLTAGE (V)
Fig. 6 Junction Capacitance vs. Nominal Zener Voltage
© Won-Top Electronics Co., Ltd.
Revision: September, 2012

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®
WON-TOP ELECTRONICS
MMBZ5221BW – MMBZ5262BW
Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1
Type
Number
(Note 1)
Device
Marking
Code
(Note 2)
Zener Voltage Range
(Note 3)
VZ @ IZT
Maximum Zener Impedance
(Note 4)
ZZT @ IZT
ZZK @ IZK
TW CN Nom (V) Min (V) Max (V) ( ) (mA) ( ) (mA)
Max Reverse
Leakage Current
IR @ VR
Typical Temp.
Coefficient of
Zener Voltage
(µA) (V)
(%/°C)
MMBZ5221BW
MMBZ5222BW
MMBZ5223BW
MMBZ5225BW
MMBZ5226BW
MMBZ5227BW
MMBZ5228BW
MMBZ5229BW
MMBZ5230BW
MMBZ5231BW
MMBZ5232BW
MMBZ5233BW
MMBZ5234BW
MMBZ5235BW
MMBZ5236BW
MMBZ5237BW
MMBZ5238BW
MMBZ5239BW
MMBZ5240BW
MMBZ5241BW
MMBZ5242BW
MMBZ5243BW
MMBZ5245BW
MMBZ5246BW
MMBZ5248BW
MMBZ5250BW
MMBZ5251BW
MMBZ5252BW
MMBZ5254BW
MMBZ5255BW
MMBZ5256BW
MMBZ5257BW
MMBZ5258BW
MMBZ5259BW
MMBZ5260BW
MMBZ5261BW
MMBZ5262BW
C1 KC1
C2 KC2
C3 KC3
C5 KC5
D1 KG1
D2 KG2
D3 KG3
D4 KG4
D5 KG5
E1 KE1
E2 KE2
E3 KE3
E4 KE4
E5 KE5
F1 KF1
F2 KF2
F3 KF3
F4 KF4
F5 KF5
H1 KH1
H2 KH2
H3 KH3
H5 KH5
J1 KJ1
J3 KJ3
J5 KJ5
K1 KK1
K2 KK2
K4 KK4
K5 KK5
M1 KM1
M2 KM2
M3 KM3
M4 KM4
M5 KM5
N1 KN1
N2 KN2
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
43
47
51
2.28
2.52
30 20 1200 0.25 100
2.38
2.63
30 20 1250 0.25 100
2.57 2.84 30 20 1300 0.25 75
2.85 3.15 29 20 1600 0.25 50
3.14 3.47 28 20 1600 0.25 25
3.42 3.78 24 20 1700 0.25 15
3.71 4.10 23 20 1900 0.25 10
4.09
4.52
22 20 2000 0.25 5.0
4.47 4.94 19 20 1900 0.25 5.0
4.85 5.36 17 20 1600 0.25 5.0
5.32 5.88 11 20 1600 0.25 5.0
5.70 6.30 7.0 20 1600 0.25 5.0
5.89 6.51 7.0 20 1000 0.25 5.0
6.46
7.14 5.0 20 750 0.25 3.0
7.13
7.88 6.0 20 500 0.25 3.0
7.79
8.61 8.0 20 500 0.25 3.0
8.27
9.14 8.0 20 600 0.25 3.0
8.65 9.56 10 20 600 0.25 3.0
9.50
10.50 17
20 600 0.25
3.0
10.45 11.55 22 20 600 0.25 2.0
11.40 12.60 30
20 600 0.25
1.0
12.35 13.65 13 9.5 600 0.25 0.5
14.25 15.75 16 8.5 600 0.25 0.1
15.20 16.80 17 7.8 600 0.25 0.1
17.10 18.90 21 7.0 600 0.25 0.1
19.00 21.00 25 6.2 600 0.25 0.1
20.90 23.10 29 5.6 600 0.25 0.1
22.80 25.20 33 5.2 600 0.25 0.1
25.65 28.35 41 4.6 600 0.25 0.1
26.60 29.40 44 4.5 600 0.25 0.1
28.50 31.50 49 4.2 600 0.25 0.1
31.35 34.65 58 3.8 700 0.25 0.1
34.20 37.80 70 3.4 700 0.25 0.1
37.05 40.95 80 3.2 800 0.25 0.1
40.85 45.15 93 3.0 900 0.25 0.1
44.65 49.35 105 2.7 1000 0.25 0.1
48.45 53.55 125 2.5 1100 0.25 0.1
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
33
36
39
-0.075
-0.075
-0.075
-0.075
-0.070
-0.065
-0.060
-0.055
±0.030
±0.030
+0.038
+0.038
+0.045
+0.050
+0.058
+0.062
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.083
+0.085
+0.086
+0.087
+0.087
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
+0.096
Note: 1. Type numbers listed have standard tolerance on the nominal zener voltage of ±5%.
2. TW: Marking code for Taiwan plant. CN: Marking code for China plant.
3. Measured with pulse test current IZ at ambient temperature 25°C.
4. f = 1KHz
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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MMBZ5221BW – MMBZ5262BW
®
WON-TOP ELECTRONICS
MARKING INFORMATION
RECOMMENDED FOOTPRINT
xx
xx = Device Code, See Table 1
0.035
(0.90)
0.035
(0.90)
0.028
(0.70)
0.075
(1.90)
0.025
(0.64)
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
Inspection Hole
178mm
Product ID Label
Direction of Unreeling
4mm
8mm
8mm
4mm
1.6mm
Reel Diameter
(mm)
178
Quantity
(PCS)
3,000
Inner Box Size
L x W x H (mm)
187 x 187 x 65
Quantity
(PCS)
15,000
Carton Size
L x W x H (mm)
390 x 240 x 420
Quantity
(PCS)
150,000
Approx. Gross Weight
(KG)
10.0
Note: 1. Anti-static plastic reel, white, water clear or blue color. Inspection hole might be varied in different alignment.
2. Components are packed in accordance with EIA standard 481-1 and 481-2.
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© Won-Top Electronics Co., Ltd.
Revision: September, 2012

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®
WON-TOP ELECTRONICS
MMBZ5221BW – MMBZ5262BW
ORDERING INFORMATION
Product No.
MMBZ52xxBW-T1
Package Type
SOT-323
Shipping Quantity
3000/Tape & Reel
1. Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
2. To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, MMBZ5221BW-T1-LF.
WON-TOP ELECTRONICS and
are registered trademarks of Won-Top Electronics Co., Ltd (WTE). 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.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road,
Chine Chen Dist., Kaohsiung 806, Taiwan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http://www.wontop.com
We power your everyday.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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