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JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-323 Plastic-Encapsulate Diode
MMBZ5221BW-MMBZ5259BW ZENER DIODE
FEATURES
Planar Die Construction
200mW Power Dissipation on FR-4 PCB
General purpose, Medium Current
Ideally Suited for Automated Assembly
Marking: see table on page2 The first code
SOT- 323
Maximum Ratings(Ta= 25unless otherwise specified)
Characteristic
Forward Voltage @ IF = 10mA
Power Dissipation
Thermal Resistance, Junction to Ambient Air
Junction Temperature
Storage Temperature Range
Symbol
VF
PD
RθJA
Tj
Tstg
Value
0.9
200
625
150
-55 ~ +150
Unit
V
mW
/W
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ELECTRICAL CHARACTERISTICS
Ta=25unless otherwise specified
Type Number
MMBZ5221BW
MMBZ5222BW
MMBZ5223BW
MMBZ5225BW
MMBZ5226BW
MMBZ5227BW
MMBZ5228BW
MMBZ5229BW
MMBZ5230BW
MMBZ5231BW
MMBZ5232BW
MMBZ5233BW
MMBZ5234BW
MMBZ5235BW
MMBZ5236BW
MMBZ5237BW
MMBZ5238BW
MMBZ5239BW
MMBZ5240BW
MMBZ5241BW
MMBZ5242BW
MMBZ5243BW
MMBZ5244BW
MMBZ5245BW
MMBZ5246BW
MMBA5247BW
MMBZ5248BW
MMBZ5249BW
MMBZ5250BW
MMBZ5251BW
MMBZ5252BW
MMBZ5253BW
MMBZ5254BW
MMBZ5255BW
MMBZ5256BW
MMBZ5257BW
MMBZ5258BW
MMBZ5259BW
Marking
Code
KC1
KC2
KC3
KC5
KG1
KG2
KG3
KG4
KG5
KE1
KE2
KE3
KE4
KE5
KF1
KF2
KF3
KF4
KF5
KH1
KH2
KH3
KH4
KH5
KJ1
KJ2
KJ3
KJ4
KJ5
KK1
KK2
KK3
KK4
KK5
KM1
KM2
KM3
KM4
Zener Voltage Range (Note 1)
VZ @ IZT
Nom (V)
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
19
20
22
24
25
27
28
30
33
36
39
Min (V)
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
13.30
14.25
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
Max (V)
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
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
Test
Current
IZT
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
6.6
6.2
5.6
5.2
5.0
5.0
4.5
4.2
3.8
3.4
3.2
Maximum Zener
Impedance (Note 2)
ZZT @
IZT
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
23
25
29
33
35
41
44
49
58
70
80
ZZK @ IZK =
0.25mA
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
600
600
700
700
800
Maximum Reverse
Leakage Current
(Note 1)
IR @VR
µA V
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 3.5
5.0 4.0
3.0 5.0
3.0 6.0
3.0 6.5
3.0 6.5
3.0 7.0
3.0 8.0
2.0 8.4
1.0 9.1
0.5 9.9
0.1 10
0.1 11
0.1 12
0.1 13
0.1 14
0.1 14
0.1 15
0.1 17
0.1 18
0.1 19
0.1 21
0.1 21
0.1 23
0.1 25
0.1 27
0.1 30
Notes: 1. Short duration test pulse used to minimize self-heating effect.
2. f = 1KHz.
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Typical Characteristics
NotesOur company currently provide 3.0V-39V products only
Zener Characteristics(V Up to 10 V)
Z
100
Ta =25
Pulsed
PD =200mW
10
Zener Characteristics(11 V to 39 V)
100
Ta =25
Pulsed
PD =200mW
10
1
0.5
12345678
VZ, ZENER VOLTAGE (V)
Temperature Coefficients
40
35
TYPICAL Ta VALUES
FOR MMBZ52XXBW SERIES
30
9
10 11
25
20 VZ @ IZT
15
10
5
0
-5
0 4 8 12 16 20 24 28 32 36 40 44
V , NOMINAL ZENER VOLTAGE (V)
Z
Typical Capacitance
1000
Ta=25
f=1MHz
100
10
1
1
250
0V BIAS
1V BIAS
BIAS AT
50% OF VZ NOM
10
VZ, NOMINAL ZENER VOLTAGE (V)
Power Derating Curve
100
200
150
100
50
0
0
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25 50 75 100 125
AMBIENT TEMPERATURE Ta ()
150
3
1
0.5
10 15 20 25 30 35 40 45
VZ, ZENER VOLTAGE (V)
Typical Leakage Current
100
Pulsed
10
1
0.1
0.01
1E-3
1E-4
0
3000
1000
Ta=100
Ta=25
5 10 15 20 25 30 35 40
VZ, NOMINAL ZENER VOLTAGE (V)
Effect of Zener Voltage on Zener Impedance
45
IZ=0.25mA
Ta=25
IZ(AC)=0.1IZ(DC)
f=1kHz
100
IZT
10
1
1 10 100
VZ, NOMINAL ZENER VOLTAGE (V)
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SOT-323 Package Outline Dimensions
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
θ
Dimensions In Millimeters
Min Max
0.900
1.100
0.000
0.100
0.900
1.000
0.200
0.400
0.080
0.150
2.000
2.200
1.150
1.350
2.150
2.450
0.650 TYP
1.200
1.400
0.525 REF
0.260
0.460
0° 8°
Dimensions In Inches
Min Max
0.035
0.043
0.000
0.004
0.035
0.039
0.008
0.016
0.003
0.006
0.079
0.087
0.045
0.053
0.085
0.096
0.026 TYP
0.047
0.055
0.021 REF
0.010
0.018
0° 8°
SOT-323 Suggested Pad Layout
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SOT-323 Tape and Reel
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