Document
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOD-123 Plastic-Encapsulate Diodes
MMSZ5221B-MMSZ5259B ZENER DIODE
FEATURES • Planar Die Construction • Ultra-Small Surface Mount Package • General purpose, Medium Current • Ideally Suited for Automated Assembly Processes
SOD-123
Maximum Ratings(Ta=25℃ unless otherwise specified)
Characteristic
Symbol
Forward Voltage (Note 2)
@ IF = 10mA
VF
Power Dissipation(Note 1)
Pd
Thermal Resistance, Junction to Ambient Air
RθJA
Junction Temperature
Tj
Storage Temperature Range
Tstg
Value 0.9 350 357 150
-55~+150
Unit V mW
℃/W Я Я
Notes:1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm2. 2. Tested with pulses, Tp≤1.0ms.
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ELECTRICAL CHARACTERISTICS
Ta=25℃ unless otherwise specified
Type Number
MMSZ5221B MMSZ5223B MMSZ5225B MMSZ5226B MMSZ5227B MMSZ5228B MMSZ5229B MMSZ5230B MMSZ5231B MMSZ5232B MMSZ5233B MMSZ5234B MMSZ5235B MMSZ5236B MMSZ5237B MMSZ5238B MMSZ5239B MMSZ5240B MMSZ5241B MMSZ5242B MMSZ5243B MMSZ5244B MMSZ5245B MMSZ5246B MMSZ5248B MMSZ5250B MMSZ5251B MMSZ5252B MMSZ5253B MMSZ5254B MMSZ5255B MMSZ5256B MMSZ5257B MMSZ5258B MMSZ5259B
Code
C1 C3 C5 G1 G2 G3 G4 G5 E1 E2 E3 E4 E5 F1 F2 F3 F4 F5 H1 H2 H3 H4 H5 J1 J3 J5 K1 K2 K3 K4 K5 M1 M2 M3 M4
Zener Voltage Range (Note 2)
Nom(V) 2.4 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 18 20 22 24 25 27 28 30 33 36 39
VZ@IZT Min(V)
2.28 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 17.10 19.00 20.90 22.80 23.75 25.65 26.60 28.50 31.35 34.20 37.05
Max(V) 2.52 2.84 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 18.90 21.00 23.10 25.20 26.25 28.35 29.40 31.50 34.65 37.80 40.95
IZT mA 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 7.0 6.2 5.6 5.2 5.0 5.0 4.5 4.2 3.8 3.4 3.2
Maximum Zener Impedance (Note 4)
ZZT@IZT
ZZK@IZK
Ω
30 1200
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
21 600
25 600
29 600
33 600
35 600
41 600
44 600
49 600
58 700
70 700
80 800
IZK mA 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
Maximum Reverse Current IR VR uA V 100 1.0 75 1.0 50 1.0 25 1.0 15 1.0 10 1.0 5 1.0 5 2.0 5 2.0 5 3.0 5 3.5 5 4.0 3 5.0 3 6.0 3 6.5 3 6.5 3 7.0 3 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 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
Zener Characteristics(V Up to 10 V) Z 100
Ta =25℃ Pulsed
PD =350mW
10
Zener Characteristics(11 V to 39 V)
100
Ta =25℃ Pulsed
PD =350mW
10
IZ, ZENER CURRENT (mA)
3.0 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10
IZ, ZENER CURRENT (mA)
11 12 13 14 15 16 18 20 22 24 25 27 28 30 33 36 39
C, CAPACITANCE (pF) ZZT, DYNAMIC IMPEDANCE(Ω)
θVZ, TEMPERATURE COEFFICIENT (mV/℃) IR, LEAKAGE CURRENT (uA)
1
0.5 12345678
VZ, ZENER VOLTAGE (V)
Temperature Coefficients
40
35
TYPICAL Ta VALUES FOR MMSZ52XXB 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
VZ, NOMINAL ZENER VOLTAGE (V)
1000 Typical Capacitance
Ta=25℃ f=1MHz
100
0V BIAS 1V BIAS
10
BIAS AT 50% OF VZ NOM
1 1 10
VZ, NOMINAL ZENER VOLTAGE (V)
Power Derating Curve
400
350
POWER DISSIPATION PD (mW)
300
250
200
150
100
50
0 0
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25 50 75 100 125
AMBIENT TEMPERATURE Ta (℃)
100
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 45
VZ, NOMINAL ZENER VOLTAGE (V)
Effect of Zener Voltage on Zener Impedance
IZ=0.25mA
Ta=25℃ IZ(AC)=0.1IZ(DC) f=1kHz
100
IZT
10
1 1 10 100
VZ, NOMINAL ZENER VOLTAGE (V)
C,Mar,2015
SOD-123 Package Outline Dimensions
Symbol
A A1 A2 b c D E E1 L L1 θ
Dimensions In Millimeters
Min 1.050 0.000
Max 1.250 0.100
1.050 0.450 0.080 1.500 2.600 3.550
1.150 0.650 0.150 1.700 2.800 3.850
0.500 REF
0.250
0.450
0° 8°
Dimensions In Inches
Min 0.041 0.000
Max 0.049 0.004
0.041 0.018 0.003 0.059 0.102 0.140
0.045 0.026 0.006 0.067 0.110 0.152
0.020 REF
0.010
0.018
0° 8°
SOD-123 Suggested Pad Layout
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SOD-123 Tape and Reel
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