MMBZ5221B – MMBZ5262B 1 of 4 © 2006 Won-Top Electronics
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MMBZ5221B – MMBZ5262B
350mW SURFACE MOUNT ZENER DIODE
Features
Planar Die Construction L
350mW Power Dissipation A
2.4 – 51V Nominal Zener Voltage
5% Standard Vz Tolerance
Designed for Surface Mount Application B C
Plastic Material – UL Recognition Flammability
Classification 94V-O M
E D
H
Mechanical Data
Case: SOT-23, Molded Plastic K
Terminals: Plated Leads Solderable per J
MIL-STD-202, Method 208 G
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 TOP VIEW
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic Symbol Value Unit
Peak Pulse Power Dissi pation at TA = 25°C (Note 1) Pd 350 mW
Forward Voltage @ IF = 10mA VF 0.9 V
Thermal Resistance Junction to A mbient (Note 1) RθJA 357 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
Note: 1. Valid provi ded t hat devi ce terminals are kept at ambient temperature.
WTE
POWER SEM IC ON DUC TOR S
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
MMBZ5221B – MMBZ5262B 2 of 4 © 2006 Won-Top Electronics
Electrical Characteristics @TA=25°C unless otherwise specif i ed
Zener Voltage Range
(Note 3) Maximum Zener Impedance
(Note 4) Max Reverse
Leakage Current
Device
Marking
Code
(Note 2) VZ @ IZT ZZT @ IZT ZZK @ IZK IR @ VR
Typical Temp.
Coefficient of
Zener Voltage
Type
Number
(Note 1)
TW CN Nom (V) Min (V) Max (V) (Ω
ΩΩ
Ω) (mA) (Ω
ΩΩ
Ω) (mA) (µA) (V) (%/K)
MMBZ5221B
MMBZ5222B
MMBZ5223B
MMBZ5225B
C1
C2
C3
C5
KC1
KC2
KC3
KC5
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
1250
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
MMBZ5226B
MMBZ5227B
MMBZ5228B
MMBZ5229B
D1
D2
D3
D4
KG1
KG2
KG3
KG4
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
MMBZ5230B
MMBZ5231B
MMBZ5232B
MMBZ5233B
MMBZ5234B
D5
E1
E2
E3
E4
KG5
KE1
KE2
KE3
KE4
4.7
5.1
5.6
6.0
6.2
4.47
4.85
5.32
5.70
5.89
4.94
5.36
5.88
6.30
6.51
19
17
11
7.0
7.0
20
20
20
20
20
1900
1600
1600
1600
1000
0.25
0.25
0.25
0.25
0.25
5.0
5.0
5.0
5.0
5.0
2.0
2.0
3.0
3.5
4.0
±0.030
±0.030
+0.038
+0.038
+0.045
MMBZ5235B
MMBZ5236B
MMBZ5237B
MMBZ5238B
MMBZ5239B
E5
F1
F2
F3
F4
KE5
KF1
KF2
KF3
KF4
6.8
7.5
8.2
8.7
9.1
6.46
7.13
7.79
8.27
8.65
7.14
7.88
8.61
9.14
9.56
5.0
6.0
8.0
8.0
10
20
20
20
20
20
750
500
500
600
600
0.25
0.25
0.25
0.25
0.25
3.0
3.0
3.0
3.0
3.0
5.0
6.0
6.5
6.5
7.0
+0.050
+0.058
+0.062
+0.065
+0.068
MMBZ5240B
MMBZ5241B
MMBZ5242B
MMBZ5243B
F5
H1
H2
H3
KF5
KH1
KH2
KH3
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
MMBZ5245B
MMBZ5246B
MMBZ5248B
MMBZ5250B
H5
J1
J3
J5
KH5
KJ1
KJ3
KJ5
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
MMBZ5251B
MMBZ5252B
MMBZ5254B
MMBZ5255B
K1
K2
K4
K5
KK1
KK2
KK4
KK5
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
5.0
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
MMBZ5256B
MMBZ5257B
MMBZ5258B
MMBZ5259B
M1
M2
M3
M4
KM1
KM2
KM3
KM4
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
MMBZ5260B
MMBZ5261B
MMBZ5262B
M5
N1
N2
KM5
KN1
KN2
43
47
51
40.85
44.65
48.45
45.15
49.35
53.55
93
105
125
3.0
2.7
2.5
900
1000
1100
0.25
0.25
0.25
0.1
0.1
0.1
33
36
39
+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 puls es tp = 1ms.
4. f = 1KHz
MMBZ5221B – MMBZ5262B 3 of 4 © 2006 Won-Top Electronics
MARKING INFORMATION RECOMMENDED FOOTPRINT
PACKAGING INFORMATION
Reel Diameter
(mm) Quantity
(PCS) Inner Box Size
L x W x H (mm) Quantity
(PCS) Carton Size
L x W x H (mm) Quantity
(PCS) Approx. Gross Weight
(KG)
178 3,000 187 x 187 x 65 15,000 390 x 240 x 420 150,000 10.0
xx = Device Code, See Page 2
xx
inches
(
mm
)
0.035
(0.90)
0.031
(0.8)
0.035
(0.90)
0.079
(2.0)
0.037
(0.95)
178mm
Product ID Label 8mm
Directi on of Unreeli ng
8mm
4mm 1.6mm
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.
Inspection Hole
TAPE & REEL
4mm
MMBZ5221B – MMBZ5262B 4 of 4 © 2006 Won-Top Electronics
ORDERING INFORMATION
Product No. Package Type Shipping Quantity
MMBZ52xxB-T1 SOT-23 3000/Tape & Reel
1. Shippi ng qu antit y giv en is for mini m um packing qu antity only. For minim um
order quantity, please consult the Sales Department.
2. To order RoHS / Lead Fre e ver si on (with Lea d Fr ee finish), ad d “-L F”
suffix to part number abo ve. For ex a m ple, MMBZ52 21B-T1-L F.
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., Kaohs i ung, 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
