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JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-23 Plastic-Encapsulate Diodes
MMBZ5221C-MMBZ5259C ZENER DIODE
FEATURES
Planar Die Construction
General Purpose, Medium Current
Ideally Suited for Automated Assembly
SOT-23
Maximum Ratings (Ta=25unless otherwise noted)
Characteristic
Forward Voltage @IF=10mA
Power Dissipation(Note 1)
Thermal Resistance from Junction to Ambient (Note 1)
Junction Temperature
Storage Temperature Range
Symbol
VF
PD
RθJA
Tj
Tstg
Value
0.9
300
417
150
-55~+150
Unit
V
mW
/W
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ELECTRICAL CHARACTERISTICS
Ta=25unless otherwise specified
Type Number
Marking
Code
Zener Voltage Range (Note 1)
Test
Current
VZ @ IZT
IZT
Nom (V) Min (V) Max (V)
mA
MMBZ5221C
2KC1
2.4 2.35 2.45
20
MMBZ5222C
2KC2
2.5 2.45 2.55
20
MMBZ5223C
2KC3
2.7 2.65 2.75
20
MMBZ5225C
2KC5
3.0 2.94 3.06
20
MMBZ5226C
2KG1
3.3 3.23 3.37
20
MMBZ5227C
2KG2
3.6 3.53 3.67
20
MMBZ5228C
2KG3
3.9 3.82 3.98
20
MMBZ5229C
2KG4
4.3 4.21 4.39
20
MMBZ5230C
2KG5
4.7 4.61 4.79
20
MMBZ5231C
2KE1
5.1 5.00 5.20
20
MMBZ5232C
2KE2
5.6 5.49 5.71
20
MMBZ5233C
2KE3
6.0 5.88 6.12
20
MMBZ5234C
2KE4
6.2 6.08 6.32
20
MMBZ5235C
2KE5
6.8 6.66 6.94
20
MMBZ5236C
2KF1
7.5 7.35 7.65 20
MMBZ5237C
2KF2
8.2 8.04 8.36 20
MMBZ5238C
2KF3
8.7 8.53 8.87 20
MMBZ5239C
2KF4
9.1 8.92 9.28 20
MMBZ5240C
2KF5
10
9.80 10.20
20
MMBZ5241C
2KH1
11
10.78
11.22
20
MMBZ5242C
2KH2
12
11.76
12.24
20
MMBZ5243C
2KH3
13
12.74
13.26
9.5
MMBZ5244C
2KH4
14
13.72
14.28
9.0
MMBZ5245C
2KH5
15
14.70
15.30
8.5
MMBZ5246C
2KJ1
16
15.68
16.32
7.8
MMBZ5247C
2KJ2
17
16.66
17.34
7.4
MMBZ5248C
2KJ3
18
17.64
18.36
7.0
MMBZ5249C
2KJ4
19
18.62
19.38
6.6
MMBZ5250C
2KJ5
20
19.60
20.40
6.2
MMBZ5251C
2KK1
22
21.56
22.44
5.6
MMBZ5252C
2KK2
24
23.52
24.48
5.2
MMBZ5253C
2KK3
25
24.50
25.50
5.0
MMBZ5254C
2KK4
27
26.46
27.54
5.0
MMBZ5255C
2KK5
28
27.44
28.56
4.5
MMBZ5256C
2KM1
30
29.40
30.60
4.2
MMBZ5257C
2KM2
33
32.34
33.66
3.8
MMBZ5258C
2KM3
36
35.28
36.72
3.4
MMBZ5259C
2KM4
39
38.22
39.78
3.2
Note: 1. Short duration pulse test used to minimize self-heating effect.
2. f =1kHz.
Maximum Zener
Impedance (Note 2)
ZZT@ IZT
ZZK@ IZK
=0.25mA
30 1200
30 1250
30 1300
30 1600
28 1600
24 1700
23 1900
22 2000
19 1900
17 1600
11 1600
7 1600
7 1000
5 750
6 500
8 500
8 600
10 600
17 600
22 600
30 600
13 600
15 600
16 600
17 600
19 600
21 600
23 600
25 600
29 600
33 600
35 600
41 600
44 600
49 600
58 700
70 700
80 800
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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
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Typical Characteristics
Notes: Our company currently provide 5.1 V - 20 V products only
Zener Characteristics(V Up to 10 V)
Z
100
PD =300mW
Ta =25
Pulsed
Zener Characteristics(11 V to 20 V)
100
Ta =25
Pulsed
PD =300mW
10 10
1
0.5
4 5 6 7 8 9 10 11
VZ, ZENER VOLTAGE (V)
Temperature Coefficients
20
TYPICAL Ta VALUES
FOR MMBZ52XXC SERIES
15
10
VZ @ IZT
5
0
-5
0
1000
4 8 12 16 20 24
VZ, NOMINAL ZENER VOLTAGE (V)
Typical Capacitance
Ta=25
f=1MHz
100
0V BIAS 1V BIAS
1
0.5
10
1
0.1
0.01
15 20
VZ, ZENER VOLTAGE (V)
Typical Leakage Current
25
Pulsed
Ta=100
1E-3
1E-4
0
Ta=25
4 8 12 16 20
VZ, NOMINAL ZENER VOLTAGE (V)
24
Effect of Zener Voltage on Zener Impedance
3000
1000 IZ=0.25mA
Ta=25
IZ(AC)=0.1IZ(DC)
f=1kHz
100
10
BIAS AT
50% OF VZ NOM
1
0 4 8 12 16 20
VZ, NOMINAL ZENER VOLTAGE (V)
Power Derating Curve
350
300
250
200
150
100
50
0
0
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25 50 75 100 125
AMBIENT TEMPERATURE Ta ()
24
150
3
10
1
0
IZT
4
8 12 16 20
VZ, NOMINAL ZENER VOLTAGE (V)
24
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SOT-23 Package Outline Dimensions
SOT-23 Suggested Pad Layout
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
θ
Dimensions In Millimeters
Min Max
0.900
1.150
0.000
0.100
0.900
1.050
0.300
0.500
0.080
0.150
2.800
3.000
1.200
1.400
2.250
2.550
0.950 TYP
1.800
2.000
0.550 REF
0.300
0.500
0° 8°
Dimensions In Inches
Min Max
0.035
0.045
0.000
0.004
0.035
0.041
0.012
0.020
0.003
0.006
0.110
0.118
0.047
0.055
0.089
0.100
0.037 TYP
0.071
0.079
0.022 REF
0.012
0.020
8°
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SOT-23 Tape and Reel
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