medium current Zener diode JSCJ MMSZ5234B with planar die and ultra small SOD123 surface mount package
Product Overview
The MMSZ5221B-MMSZ5259B series are Zener diodes from JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD, featuring a planar die construction and an ultra-small surface mount package (SOD-123). These diodes are designed for general purpose, medium current applications and are ideally suited for automated assembly processes. They offer reliable performance for various electronic circuits.
Product Attributes
- Brand: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
- Origin: China
- Package: SOD-123
Technical Specifications
| Type Number Code | Nominal Zener Voltage (V) | Minimum Zener Voltage (V) | Maximum Zener Voltage (V) | Test Current (IZT) (mA) | Maximum Zener Impedance (ZZT@IZT) () | Maximum Reverse Current (IZK) (uA) | Reverse Voltage (VR) (V) |
| MMSZ5221B (C1) | 2.4 | 2.28 | 2.52 | 20 | 30 | 0.25 | 1.0 |
| MMSZ5223B (C3) | 2.7 | 2.57 | 2.84 | 20 | 30 | 0.25 | 1.0 |
| MMSZ5225B (C5) | 3.0 | 2.85 | 3.15 | 20 | 30 | 0.25 | 1.0 |
| MMSZ5226B (G1) | 3.3 | 3.14 | 3.47 | 20 | 28 | 0.25 | 1.0 |
| MMSZ5227B (G2) | 3.6 | 3.42 | 3.78 | 20 | 24 | 0.25 | 1.0 |
| MMSZ5228B (G3) | 3.9 | 3.71 | 4.10 | 20 | 23 | 0.25 | 1.0 |
| MMSZ5229B (G4) | 4.3 | 4.09 | 4.52 | 20 | 22 | 0.25 | 1.0 |
| MMSZ5230B (G5) | 4.7 | 4.47 | 4.94 | 20 | 19 | 0.25 | 2.0 |
| MMSZ5231B (E1) | 5.1 | 4.85 | 5.36 | 20 | 17 | 0.25 | 2.0 |
| MMSZ5232B (E2) | 5.6 | 5.32 | 5.88 | 20 | 11 | 0.25 | 3.0 |
| MMSZ5233B (E3) | 6.0 | 5.70 | 6.30 | 20 | 7 | 0.25 | 3.5 |
| MMSZ5234B (E4) | 6.2 | 5.89 | 6.51 | 20 | 7 | 0.25 | 4.0 |
| MMSZ5235B (E5) | 6.8 | 6.46 | 7.14 | 20 | 5 | 0.25 | 5.0 |
| MMSZ5236B (F1) | 7.5 | 7.13 | 7.88 | 20 | 6 | 0.25 | 6.0 |
| MMSZ5237B (F2) | 8.2 | 7.79 | 8.61 | 20 | 8 | 0.25 | 6.5 |
| MMSZ5238B (F3) | 8.7 | 8.27 | 9.14 | 20 | 8 | 0.25 | 6.5 |
| MMSZ5239B (F4) | 9.1 | 8.65 | 9.56 | 20 | 10 | 0.25 | 7.0 |
| MMSZ5240B (F5) | 10 | 9.50 | 10.50 | 20 | 17 | 0.25 | 8.0 |
| MMSZ5241B (H1) | 11 | 10.45 | 11.55 | 20 | 22 | 0.25 | 8.4 |
| MMSZ5242B (H2) | 12 | 11.40 | 12.60 | 20 | 30 | 0.25 | 9.1 |
| MMSZ5243B (H3) | 13 | 12.35 | 13.65 | 20 | 13 | 0.25 | 9.9 |
| MMSZ5244B (H4) | 14 | 13.30 | 14.70 | 20 | 15 | 0.25 | 10.0 |
| MMSZ5245B (H5) | 15 | 14.25 | 15.75 | 20 | 16 | 0.25 | 11.0 |
| MMSZ5246B (J1) | 16 | 15.20 | 16.80 | 20 | 17 | 0.25 | 12.0 |
| MMSZ5248B (J3) | 18 | 17.10 | 18.90 | 20 | 21 | 0.25 | 14.0 |
| MMSZ5250B (J5) | 20 | 19.00 | 21.00 | 20 | 25 | 0.25 | 15.0 |
| MMSZ5251B (K1) | 22 | 20.90 | 23.10 | 20 | 29 | 0.25 | 17.0 |
| MMSZ5252B (K2) | 24 | 22.80 | 25.20 | 20 | 33 | 0.25 | 18.0 |
| MMSZ5253B (K3) | 25 | 23.75 | 26.25 | 20 | 35 | 0.25 | 19.0 |
| MMSZ5254B (K4) | 27 | 25.65 | 28.35 | 20 | 41 | 0.25 | 21.0 |
| MMSZ5255B (K5) | 28 | 26.60 | 29.40 | 20 | 44 | 0.25 | 21.0 |
| MMSZ5256B (M1) | 30 | 28.50 | 31.50 | 20 | 49 | 0.25 | 23.0 |
| MMSZ5257B (M2) | 33 | 31.35 | 34.65 | 20 | 58 | 0.25 | 25.0 |
| MMSZ5258B (M3) | 36 | 34.20 | 37.80 | 20 | 70 | 0.25 | 27.0 |
| MMSZ5259B (M4) | 39 | 37.05 | 40.95 | 20 | 80 | 0.25 | 30.0 |
Other Technical Specifications
Forward Voltage (Note 2) @ IF = 10mA: 0.9 V
Power Dissipation (Note 1): 350 mW
Thermal Resistance, Junction to Ambient Air: 357 /W
Operating and Storage Temperature Range: -65~ +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, Tp1.0ms.
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