Voltage regulation solution ChipNobo MMSZ5245BT1G-CN Zener diode with high stability and reliability
Product Overview
This series of Zener diodes offers low Zener impedance, a maximum power dissipation of 500mW, and high stability and reliability. Designed for general regulation and voltage reference applications, these diodes are suitable for use in residential and commercial equipment.
Product Attributes
- Brand: ChipNobo
- Package: SOD-123 Small Outline Plastic Package
- Polarity: Color band denotes cathode end
- Epoxy UL Flammability Rating: 94V-0
- Mounting Position: Any
- Intended Use: Residential and commercial equipment; not for sensitive items and specialized equipment in areas where sanctions exist.
Technical Specifications
Mechanical Data
| Parameter | Value | Unit |
|---|---|---|
| Power Dissipation | 500 | mW |
| Forward Voltage @ IF=10mA | 0.9 | Vf |
| Thermal Resistance, Junction-to-Ambient | 340 | /W |
| Thermal Resistance, Junction-to-Lead | 150 | /W |
| Storage Temperature Range | -65 to +150 |
Electrical Characteristics (TA = 25 unless otherwise specified)
| Model | Marking (Code) | VR Max | IR Max | Izk Max | Zzk @ Izt | Zzt @ Izt | Vz1 (@ Izt) | Izt Max | Izt Min |
|---|---|---|---|---|---|---|---|---|---|
| uA | mA | mA | V | mA | mA | ||||
| MMSZ5221B | C1 | 2.28 | 2.52 | 1.0 | 100 | 0.25 | 1200 | 30 | 20 |
| MMSZ5222B | C2 | 2.38 | 2.63 | 1.0 | 100 | 0.25 | 1250 | 30 | 20 |
| MMSZ5223B | C3 | 2.57 | 2.84 | 1.0 | 75 | 0.25 | 1300 | 30 | 20 |
| MMSZ5224B | C4 | 2.66 | 2.94 | 1.0 | 75 | 0.25 | 1400 | 30 | 20 |
| MMSZ5225B | C5 | 2.85 | 3.15 | 1.0 | 50 | 0.25 | 1600 | 30 | 20 |
| MMSZ5226B | G1 | 3.14 | 3.47 | 1.0 | 25 | 0.25 | 1600 | 28 | 20 |
| MMSZ5227B | G2 | 3.42 | 3.78 | 1.0 | 15 | 0.25 | 1700 | 24 | 20 |
| MMSZ5228B | G3 | 3.71 | 4.10 | 1.0 | 10 | 0.25 | 1900 | 23 | 20 |
| MMSZ5229B | G4 | 4.09 | 4.52 | 1.0 | 5.0 | 0.25 | 2000 | 22 | 20 |
| MMSZ5230B | G5 | 4.47 | 4.94 | 2.0 | 5.0 | 0.25 | 1900 | 19 | 20 |
| MMSZ5231B | E1 | 4.85 | 5.36 | 2.0 | 5.0 | 0.25 | 1600 | 17 | 20 |
| MMSZ5232B | E2 | 5.32 | 5.88 | 3.0 | 5.0 | 0.25 | 1600 | 11 | 20 |
| MMSZ5233B | E3 | 5.70 | 6.30 | 3.5 | 5.0 | 0.25 | 1600 | 7 | 20 |
| MMSZ5234B | E4 | 5.89 | 6.51 | 4.0 | 5.0 | 0.25 | 1000 | 7 | 20 |
| MMSZ5235B | E5 | 6.46 | 7.14 | 5.0 | 3 | 0.25 | 750 | 5 | 20 |
| MMSZ5236B | F1 | 7.13 | 7.88 | 6.0 | 3 | 0.25 | 500 | 6 | 20 |
| MMSZ5237B | F2 | 7.79 | 8.61 | 6.5 | 3 | 0.25 | 500 | 8 | 20 |
| MMSZ5238B | F3 | 8.27 | 9.14 | 6.5 | 3 | 0.25 | 600 | 8 | 20 |
| MMSZ5239B | F4 | 8.65 | 9.56 | 7.0 | 3 | 0.25 | 600 | 10 | 20 |
| MMSZ5240B | F5 | 9.50 | 10.50 | 8.0 | 3 | 0.25 | 600 | 17 | 20 |
| MMSZ5241B | H1 | 10.45 | 11.55 | 8.4 | 2.0 | 0.25 | 600 | 22 | 20 |
| MMSZ5242B | H2 | 11.40 | 12.60 | 9.1 | 1.0 | 0.25 | 600 | 30 | 20 |
| MMSZ5243B | H3 | 12.35 | 13.65 | 9.9 | 0.5 | 0.25 | 600 | 13 | 9.5 |
| MMSZ5244B | H4 | 13.30 | 14.70 | 10 | 0.1 | 0.25 | 600 | 15 | 9.0 |
| MMSZ5245B | H5 | 14.25 | 15.75 | 11 | 0.1 | 0.25 | 600 | 16 | 8.5 |
| MMSZ5246B | J1 | 15.20 | 16.80 | 12 | 0.1 | 0.25 | 600 | 17 | 7.8 |
| MMSZ5247B | J2 | 16.15 | 17.85 | 13 | 0.1 | 0.25 | 600 | 19 | 7.5 |
| MMSZ5248B | J3 | 17.10 | 18.90 | 14 | 0.1 | 0.25 | 600 | 21 | 7.0 |
| MMSZ5249B | J4 | 18.05 | 19.95 | 14 | 0.1 | 0.25 | 600 | 23 | 6.6 |
| MMSZ5250B | J5 | 19.00 | 21.00 | 15 | 0.1 | 0.25 | 600 | 25 | 6.2 |
| MMSZ5251B | K1 | 20.90 | 23.10 | 17 | 0.1 | 0.25 | 600 | 29 | 5.6 |
| MMSZ5252B | K2 | 22.80 | 25.20 | 18 | 0.1 | 0.25 | 600 | 33 | 5.2 |
| MMSZ5253B | K3 | 23.75 | 26.25 | 19 | 0.1 | 0.25 | 600 | 35 | 5.0 |
| MMSZ5254B | K4 | 25.65 | 28.35 | 21 | 0.1 | 0.25 | 600 | 41 | 5.0 |
| MMSZ5255B | K5 | 26.60 | 29.40 | 21 | 0.1 | 0.25 | 600 | 44 | 4.5 |
| MMSZ5256B | M1 | 28.50 | 31.50 | 23 | 0.1 | 0.25 | 600 | 49 | 4.2 |
| MMSZ5257B | M2 | 31.35 | 34.65 | 25 | 0.1 | 0.25 | 700 | 58 | 3.8 |
| MMSZ5258B | M3 | 34.20 | 37.80 | 27 | 0.1 | 0.25 | 700 | 70 | 3.4 |
| MMSZ5259B | M4 | 37.05 | 40.95 | 30 | 0.1 | 0.25 | 800 | 80 | 3.2 |
| MMSZ5260B | M5 | 40.85 | 45.15 | 33 | 0.1 | 0.25 | 900 | 93 | 3.0 |
| MMSZ5261B | N1 | 44.65 | 49.35 | 36 | 0.1 | 0.25 | 1000 | 105 | 2.7 |
| MMSZ5262B | N2 | 48.45 | 53.55 | 39 | 0.1 | 0.25 | 1100 | 125 | 2.5 |
| MMSZ5263B | N3 | 53.20 | 58.80 | 43 | 0.1 | 0.25 | 1300 | 150 | 2.2 |
| MMSZ5264B | N4 | 57.00 | 63.00 | 46 | 0.1 | 0.25 | 1400 | 170 | 2.1 |
| MMSZ5265B | N5 | 58.90 | 65.10 | 47 | 0.1 | 0.25 | 1400 | 185 | 2.0 |
| MMSZ5266B | P1 | 64.60 | 71.40 | 52 | 0.1 | 0.25 | 1600 | 230 | 1.8 |
| MMSZ5267B | P2 | 71.25 | 78.75 | 56 | 0.1 | 0.25 | 1700 | 270 | 1.7 |
Notes:
1) Device mounted on ceramic PCB: 7.6mm x 9.4mm x 0.87mm with pad areas 25mm.
2) Short duration test pulse used to minimize self-heating effect.
3) Thermal Resistance measurement obtained via infrared Scan Method.
4) f=1KHz.
For additional information, please visit our website http://www.chipnobo.com, or consult your nearest Chipnobo sales office for further assistance.
2507091655_ChipNobo-MMSZ5245BT1G-CN_C42419983.pdf
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