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WTE
POWER SEMICONDUCTORS
MMBZ5221B – MMBZ5262B Pb
350mW SURFACE MOUNT ZENER DIODE
Features
Planar Die Construction
350mW Power Dissipation
2.4 – 51V Nominal Zener Voltage
5% Standard Vz Tolerance
Designed for Surface Mount Application
Plastic Material – UL Recognition Flammability
Classification 94V-O
B
Mechanical Data
Case: SOT-23, Molded Plastic
K
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.008 grams (approx.)
Mounting Position: Any
Marking: Device Code, See Page 2
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
A
ED
H
G
TOP VIEW
C
J
L
M
SOT-23
Dim Min
Max
A
0.37
0.51
B
1.19
1.40
C
2.10
2.50
D
0.89
1.05
E
0.45
0.61
G
1.78
2.05
H
2.65
3.05
J
0.013
0.15
K
0.89
1.10
L
0.45
0.61
M
0.076
0.178
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)
Operating and Storage Temperature Range
Symbol
Pd
VF
RθJA
Tj, TSTG
Note: 1. Valid provided that device terminals are kept at ambient temperature.
Value
350
0.9
357
-65 to +150
Unit
mW
V
°C/W
°C
MMBZ5221B – MMBZ5262B
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© 2006 Won-Top Electronics

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Electrical Characteristics @TA=25°C unless otherwise specified
Type
Number
(Note 1)
MMBZ5221B
MMBZ5222B
MMBZ5223B
MMBZ5225B
MMBZ5226B
MMBZ5227B
MMBZ5228B
MMBZ5229B
MMBZ5230B
MMBZ5231B
MMBZ5232B
MMBZ5234B
MMBZ5235B
MMBZ5236B
MMBZ5237B
MMBZ5239B
MMBZ5240B
MMBZ5241B
MMBZ5242B
MMBZ5243B
MMBZ5245B
MMBZ5246B
MMBZ5248B
MMBZ5250B
MMBZ5251B
MMBZ5252B
MMBZ5254B
MMBZ5255B
MMBZ5256B
MMBZ5257B
MMBZ5258B
MMBZ5259B
MMBZ5260B
MMBZ5261B
MMBZ5262B
Device
Marking
Code
Zener Voltage Range
(Note 2)
VZ @ IZT
Nom (V) Min (V) Max (V)
C1 2.4 2.28 2.52
C2 2.5 2.38 2.63
C3 2.7 2.57 2.84
C5 3.0 2.85 3.15
D1 3.3 3.14 3.47
D2 3.6 3.42 3.78
D3 3.9 3.71 4.10
D4 4.3 4.09 4.52
D5 4.7 4.47 4.94
E1 5.1 4.85 5.36
E2 5.6 5.32 5.88
E4 6.2 5.89 6.51
E5 6.8 6.46 7.14
F1 7.5 7.13 7.88
F2 8.2 7.79 8.61
F4 9.1 8.65 9.56
F5 10 9.50 10.50
H1 11 10.45 11.55
H2 12 11.40 12.60
H3 13 12.35 13.65
H5 15 14.25 15.75
J1 16 15.20 16.80
J3 18 17.10 18.90
J5 20 19.00 21.00
K1 22 20.90 23.10
K2 24 22.80 25.20
K4 27 25.65 28.35
K5 28 26.60 29.40
M1 30 28.50 31.50
M2 33 31.35 34.65
M3 36 34.20 37.80
M4 39 37.05 40.95
M5 43 40.85 45.15
N1 47 44.65 49.35
N2 51 48.45 53.55
Maximum Zener Impedance
(Note 3)
ZZT @ IZT
(Ω) (mA)
30 20
30 20
30 20
30 20
28 20
24 20
23 20
22 20
19 20
17 20
11 20
7.0 20
5.0 20
6.0 20
8.0 20
10 20
17 20
22 20
30 20
13 9.5
16 8.5
17 7.8
21 7.0
25 6.2
29 5.6
33 5.2
41 5.0
44 4.5
49 4.2
58 3.8
70 3.4
80 3.2
93 3.0
105 2.7
125 2.5
ZZK @ IZK
(Ω) (mA)
1200
1250
1300
1600
1600
1700
1900
2000
1900
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
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
Max Reverse
Leakage Current
IR @ VR
Typical Temp.
Coefficient of
Zener Voltage
(µA) (V)
(%/K)
100 1.0
100 1.0
75 1.0
50 1.0
25 1.0
15 1.0
10 1.0
5.0 1.0
5.0 2.0
5.0 2.0
5.0 3.0
5.0 4.0
3.0 5.0
3.0 6.0
3.0 6.0
3.0 6.5
3.0 8.0
2.0 8.4
1.0 9.1
0.5 9.9
0.1 11
0.1 12
0.1 14
0.1 15
0.1 17
0.1 18
0.1 21
0.1 21
0.1 23
0.1 25
0.1 27
0.1 30
0.1 33
0.1 36
0.1 39
-0.075
-0.075
-0.075
-0.075
-0.070
-0.065
-0.060
-0.055
±0.030
±0.030
+0.038
+0.045
+0.050
+0.058
+0.062
+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. Measured with pulses tp = 1ms.
3. f = 1KHz
MMBZ5221B – MMBZ5262B
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© 2006 Won-Top Electronics

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MARKING INFORMATION
xx
xx = Device Code, See Page 2
RECOMMENDED FOOTPRINT
0.035
(0.90)
0.035
(0.90)
0.031
(0.8)
0.079
(2.0)
0.037
(0.95)
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
Inspection Hole
178mm
Product ID Label
Direction of Unreeling
8mm
8mm
4mm
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.
MMBZ5221B – MMBZ5262B
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© 2006 Won-Top Electronics

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ORDERING INFORMATION
Product No.
MMBZ52xxB-T1
Package Type
SOT-23
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, MMBZ5221B-T1-LF.
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.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, 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.
MMBZ5221B – MMBZ5262B
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© 2006 Won-Top Electronics