Planar die Zener diode with 5 percent voltage tolerance and halogen free molded plastic SMC MMSZ5254B
Key Attributes
Model Number:
MMSZ5254B
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Reverse Leakage Current (Ir):
100nA
Pd - Power Dissipation:
500mW
Impedance(Zzt):
41Ω
Diode Configuration:
Independent
Zener Voltage(Range):
25.65V~28.35V
Zener Voltage(Nom):
27V
Mfr. Part #:
MMSZ5254B
Package:
SOD-123
Product Description
SMC MMSZ5221B-MMSZ5259B Zener Diodes
The MMSZ5221B-MMSZ5259B series are Zener diodes designed for surface mount applications. They feature a planar die construction, 500mW power dissipation, and a standoff voltage range from 2.4V to 39V with a 5% nominal Zener voltage. These diodes are constructed with plastic material that has a UL Recognition Flammability Classification 94V-O and are Halogen Free. The "-A" suffix indicates AEC-Q101 qualification. All SMC parts are traceable to the wafer lot, and additional testing can be offered upon request.
Product Attributes
- Brand: SMC Diode Solutions
- Series: MMSZ5221B-MMSZ5259B
- Construction: Planar Die
- Material: Molded Plastic (UL Recognition Flammability Classification 94V-O)
- Certifications: AEC-Q101 qualified devices available ("-A" suffix)
- Traceability: All SMC parts are traceable to the wafer lot
- Origin: China - Germany - Korea - Singapore - United States
Technical Specifications
| Characteristic | Symbol | Value | Units | Notes |
|---|---|---|---|---|
| Power Dissipation | PD | 500 | mW | Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm2. |
| Forward Voltage | VF | 0.9 | V | @ IF = 10mA (Tested with pulses, Tp1.0ms) |
| Thermal Resistance junction to Ambient Air | RJA | 357 | C/W | |
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 to 150 | C | |
| Standoff Voltage | 2.4V - 39V | |||
| Nominal Zener Voltage Tolerance | 5% | |||
| Weight | 0.01 grams (approx) |
Mechanical Dimensions (SOD-123)
| SYMBOL | Millimeters | Inches |
|---|---|---|
| MIN. MAX. | MIN. MAX. | |
| A | 1.050 1.250 | 0.041 0.049 |
| A1 | 0.000 0.100 | 0.000 0.004 |
| A2 | 1.050 1.150 | 0.041 0.045 |
| b | 0.450 0.650 | 0.018 0.026 |
| c | 0.080 0.150 | 0.003 0.006 |
| D | 1.500 1.700 | 0.059 0.067 |
| E | 2.600 2.800 | 0.102 0.110 |
| E1 | 3.550 3.850 | 0.140 0.152 |
| L | 0.500 REF. | 0.020 REF. |
| L1 | 0.250 0.450 | 0.010 0.018 |
| 0 8 | 0 8 |
Carrier Tape Specification (SOD-123)
| SYMBOL | Millimeters |
|---|---|
| Min. Max. | |
| A | 1.80 1.90 |
| B | 3.89 3.99 |
| C | 1.52 1.62 |
| d | 1.45 1.65 |
| E | 1.65 1.85 |
| F | 3.40 3.60 |
| P | 3.90 4.10 |
| P0 | 3.90 4.10 |
| P1 | 1.90 2.10 |
| W | 7.90 8.30 |
Ordering Information
| Device | Package | Shipping |
|---|---|---|
| MMSZ5221B-MMSZ5259B | SOD-123 | 3000pcs / reel |
| MMSZ5221BTR-MMSZ5259BTR | SOD-123 | 3000pcs / reel |
2409301633_SMC-MMSZ5254B_C499772.pdf
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