Zener Diode SOD123 Package Medium Current Planar Die JSCJ MMSZ5229B for General Purpose Applications
Product Overview
The MMSZ5221B to MMSZ5259B series are Zener diodes from JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD, featuring a planar die construction and an ultra-small SOD-123 surface mount package. These diodes are designed for general purpose, medium current applications and are ideally suited for automated assembly processes.
Product Attributes
- Brand: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
- Origin: China
- Package Type: SOD-123
- Encapsulation: Plastic
Technical Specifications
| Type Number Code | Nominal Zener Voltage (V) | Min Zener Voltage (V) | Max Zener Voltage (V) | Test Current (IZT) (mA) | Max Zener Impedance (ZZT@IZT) () | Max 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 |
Maximum Ratings
| Characteristic | Symbol | Value | Unit |
| Forward Voltage (Note 2) @ IF = 10mA | VF | 0.9 | V |
| Power Dissipation (Note 1) | Pd | 350 | mW |
| Thermal Resistance, Junction to Ambient Air | RJA | 357 | /W |
| Operating and Storage Temperature Range | Tj,TSTG | -65~ +150 |
2410121248_JSCJ-MMSZ5229B_C21552.pdf
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