JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOD-123 Plastic-Encapsulate Diode
MMSZ5221B-MMSZ5259B ZENER DIODE
FEATURES
• Planar Die Construction
• Ultra-Small Surface Mount Package
• General purpose, Medium Current
• Ideally Suited for Automated Assembly Processes
Maximum Ratings @TA=25℃ unless otherwise specified
Characteristic Symbol Value Unit
Forward Voltage (Note 2) @ I
F = 10mA VF 0.9 V
Power Dissipation(Note 1) Pd 500 mW
Thermal Resistance, Junction to Ambient Air RθJA 250
℃/W
Operating and Storage Temperature Range Tj,TSTG -65 to +150 ℃
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.
+
-
SOD-123
Electrical Characteristics @ T
A= 25°C unless otherWise specified
Zener Voltage Range (Note 2)
Maximum Zener Impedance
(Note 4)
Maximum
Reverse
Current
VZ@IZT I
ZT Z
ZT@IZT Z
ZK@IZK I
ZK I
R V
R
Type
Number
Code
Nom(V) Min(V) Max(V) mA Ω mA uA V
MMSZ5221B C1 2.4 2.28 2.52 20 30 1200 0.25 100 1.0
MMSZ5223B C3 2.7 2.57 2.84 20 30 1300 0.25 75 1.0
MMSZ5225B C5 3.0 2.85 3.15 20 30 1600 0.25 50 1.0
MMSZ5226B G1 3.3 3.14 3.47 20 28 1600 0.25 25 1.0
MMSZ5227B G2 3.6 3.42 3.78 20 24 1700 0.25 15 1.0
MMSZ5228B G3 3.9 3.71 4.10 20 23 1900 0.25 10 1.0
MMSZ5229B G4 4.3 4.09 4.52 20 22 2000 0.25 5 1.0
MMSZ5230B G5 4.7 4.47 4.94 20 19 1900 0.25 5 2.0
MMSZ5231B E1 5.1 4.85 5.36 20 17 1600 0.25 5 2.0
MMSZ5232B E2 5.6 5.32 5.88 20 11 1600 0.25 5 3.0
MMSZ5233B E3 6.0 5.70 6.30 20 7 1600 0.25 5 3.5
MMSZ5234B E4 6.2 5.89 6.51 20 7 1000 0.25 5 4.0
MMSZ5235B E5 6.8 6.46 7.14 20 5 750 0.25 3 5.0
MMSZ5236B F1 7.5 7.13 7.88 20 6 500 0.25 3 6.0
MMSZ5237B F2 8.2 7.79 8.61 20 8 500 0.25 3 6.5
MMSZ5238B F3 8.7 8.27 9.14 20 8 600 0.25 3 6.5
MMSZ5239B F4 9.1 8.65 9.56 20 10 600 0.25 3 7.0
MMSZ5240B F5 10 9.50 10.50 20 17 600 0.25 3 8.0
MMSZ5241B H1 11 10.45 11.55 20 22 600 0.25 2.0 8.4
MMSZ5242B H2 12 11.40 12.60 20 30 600 0.25 1.0 9.1
MMSZ5243B H3 13 12.35 13.65 9.5 13 600 0.25 0.5 9.9
MMSZ5244B H4 14 13.30 14.70 9.0 15 600 0.25 0.1 10
MMSZ5245B H5 15 14.25 15.75 8.5 16 600 0.25 0.1 11
MMSZ5246B J1 16 15.20 16.80 7.8 17 600 0.25 0.1 12
MMSZ5247B J2 17 16.15 17.85 7.4 19 600 0.25 0.1 13
MMSZ5248B J3 18 17.10 18.90 7.0 21 600 0.25 0.1 14
MMSZ5250B J5 20 19.00 21.00 6.2 25 600 0.25 0.1 15
MMSZ5251B K1 22 20.90 23.10 5.6 29 600 0.25 0.1 17
MMSZ5252B K2 24 22.80 25.20 5.2 33 600 0.25 0.1 18
MMSZ5253B K3 25 23.75 26.25 5.0 35 600 0.25 0.1 19
MMSZ5254B K4 27 25.65 28.35 5.0 41 600 0.25 0.1 21
MMSZ5255B K5 28 26.60 29.40 4.5 44 600 0.25 0.1 21
MMSZ5256B M1 30 28.50 31.50 4.2 49 600 0.25 0.1 23
MMSZ5257B M2 33 31.35 34.65 3.8 58 700 0.25 0.1 25
MMSZ5258B M3 36 34.20 37.80 3.4 70 700 0.25 0.1 27
MMSZ5259B M4 39 37.05 40.95 3.2 80 800 0.25 0.1 30
Typical Characteristics MMSZ5221B-MMSZ5259B
