medium current Zener diode JSCJ MMSZ5251BS in SOD 323 package designed for automated assembly lines
Key Attributes
Model Number:
MMSZ5251BS
Product Custom Attributes
Impedance(Zzt):
29Ω
Zener Voltage(Range):
20.9V~23.1V
Pd - Power Dissipation:
200mW
Zener Voltage(Nom):
22V
Impedance(Zzk):
600Ω
Mfr. Part #:
MMSZ5251BS
Package:
SOD-323
Product Description
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOD-323 ZENER DIODE MMSZ5221BS-MMSZ5259BS
The MMSZ5221BS-MMSZ5259BS series from JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD are general-purpose, medium current Zener diodes in an ultra-small surface mount package. Designed for automated assembly processes, these diodes feature planar die construction and are ideally suited for a wide range of electronic applications requiring voltage regulation.
Product Attributes
- Brand: JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
- Origin: China (implied by manufacturer name)
- Package: SOD-323 Plastic-Encapsulate
- Certifications: Not specified in the provided text.
Technical Specifications
| Type Number | 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) |
|---|---|---|---|---|---|---|---|---|
| MMSZ5221BS | C1 | 2.4 | 2.28 | 2.52 | 20 | 30 | 0.25 | 1.0 |
| MMSZ5223BS | C3 | 2.7 | 2.57 | 2.84 | 20 | 30 | 0.25 | 1.0 |
| MMSZ5225BS | C5 | 3.0 | 2.85 | 3.15 | 20 | 30 | 0.25 | 1.0 |
| MMSZ5226BS | G1 | 3.3 | 3.14 | 3.47 | 20 | 28 | 0.25 | 1.0 |
| MMSZ5227BS | G2 | 3.6 | 3.42 | 3.78 | 20 | 24 | 0.25 | 1.0 |
| MMSZ5228BS | G3 | 3.9 | 3.71 | 4.10 | 20 | 23 | 0.25 | 1.0 |
| MMSZ5229BS | G4 | 4.3 | 4.09 | 4.52 | 20 | 22 | 0.25 | 1.0 |
| MMSZ5230BS | G5 | 4.7 | 4.47 | 4.94 | 20 | 19 | 0.25 | 2.0 |
| MMSZ5231BS | E1 | 5.1 | 4.85 | 5.36 | 20 | 17 | 0.25 | 2.0 |
| MMSZ5232BS | E2 | 5.6 | 5.32 | 5.88 | 20 | 11 | 0.25 | 3.0 |
| MMSZ5233BS | E3 | 6.0 | 5.70 | 6.30 | 20 | 7 | 0.25 | 3.5 |
| MMSZ5234BS | E4 | 6.2 | 5.89 | 6.51 | 20 | 7 | 0.25 | 4.0 |
| MMSZ5235BS | E5 | 6.8 | 6.46 | 7.14 | 20 | 5 | 0.25 | 5.0 |
| MMSZ5236BS | F1 | 7.5 | 7.13 | 7.88 | 20 | 6 | 0.25 | 6.0 |
| MMSZ5237BS | F2 | 8.2 | 7.79 | 8.61 | 20 | 8 | 0.25 | 6.5 |
| MMSZ5238BS | F3 | 8.7 | 8.27 | 9.14 | 20 | 8 | 0.25 | 6.5 |
| MMSZ5239BS | F4 | 9.1 | 8.65 | 9.56 | 20 | 10 | 0.25 | 7.0 |
| MMSZ5240BS | F5 | 10 | 9.50 | 10.50 | 20 | 17 | 0.25 | 8.0 |
| MMSZ5241BS | H1 | 11 | 10.45 | 11.55 | 20 | 22 | 0.25 | 8.4 |
| MMSZ5242BS | H2 | 12 | 11.40 | 12.60 | 20 | 30 | 0.25 | 9.1 |
| MMSZ5243BS | H3 | 13 | 12.35 | 13.65 | 9.5 | 13 | 0.25 | 9.9 |
| MMSZ5244BS | H4 | 14 | 13.30 | 14.70 | 9.0 | 15 | 0.25 | 10 |
| MMSZ5245BS | H5 | 15 | 14.25 | 15.75 | 8.5 | 16 | 0.25 | 11 |
| MMSZ5246BS | J1 | 16 | 15.20 | 16.80 | 7.8 | 17 | 0.25 | 12 |
| MMSZ5248BS | J3 | 18 | 17.10 | 18.90 | 7.0 | 21 | 0.25 | 14 |
| MMSZ5250BS | J5 | 20 | 19.00 | 21.00 | 6.2 | 25 | 0.25 | 15 |
| MMSZ5251BS | K1 | 22 | 20.90 | 23.10 | 5.6 | 29 | 0.25 | 17 |
| MMSZ5252BS | K2 | 24 | 22.80 | 25.20 | 5.2 | 33 | 0.25 | 18 |
| MMSZ5253BS | K3 | 25 | 23.75 | 26.25 | 5.0 | 35 | 0.25 | 19 |
| MMSZ5254BS | K4 | 27 | 25.65 | 28.35 | 5.0 | 41 | 0.25 | 21 |
| MMSZ5255BS | K5 | 28 | 26.60 | 29.40 | 4.5 | 44 | 0.25 | 21 |
| MMSZ5256BS | M1 | 30 | 28.50 | 31.50 | 4.2 | 49 | 0.25 | 23 |
| MMSZ5257BS | M2 | 33 | 31.35 | 34.65 | 3.8 | 58 | 0.25 | 25 |
| MMSZ5258BS | M3 | 36 | 34.20 | 37.80 | 3.4 | 70 | 0.25 | 27 |
| MMSZ5259BS | M4 | 39 | 37.05 | 40.95 | 3.2 | 80 | 0.25 | 30 |
| Characteristic | Symbol | Value | Unit | Notes |
|---|---|---|---|---|
| Forward Voltage | VF | 0.9 | V | @ IF = 10mA (Note 2) |
| Power Dissipation | PD | 200 | mW | (Note 1) |
| Thermal Resistance, Junction to Ambient Air | RJA | 625 | /W | |
| Junction Temperature | Tj | 150 | ||
| Storage Temperature Range | Tstg | -55~+150 |
2409271703_JSCJ-MMSZ5251BS_C191371.pdf
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