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| PartNumber | MMSZ5257B RH | MMSZ5257B | MMSZ5257B 33V |
| Description | Zener Diodes Zener 500mW 5% 33V | Zener Diodes SOD123 Zener 300mW 33 V | |
| Manufacturer | Taiwan Semiconductor | Rectron | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | Y | Y | - |
| Vz Zener Voltage | 33 V | 33 V | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOD-123F-2 | SOD-123-2 | - |
| Pd Power Dissipation | 500 mW | 500 mW | - |
| Voltage Tolerance | 5 % | - | - |
| Zener Current | 0.1 uA | - | - |
| Zz Zener Impedance | 58 Ohms | 58 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Configuration | Single | Single | - |
| Test Current | 3.8 mA | 3.8 mA | - |
| Packaging | Reel | Reel | - |
| Series | MMSZ52 | - | - |
| Height | 1.15 mm | 1.25 mm | - |
| Length | 2.7 mm | 2.8 mm | - |
| Width | 1.7 mm | 1.7 mm | - |
| Brand | Taiwan Semiconductor | Rectron | - |
| Ir Reverse Current | 0.1 uA | 0.1 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 900 mV | 900 mV | - |
| Unit Weight | 0.000353 oz | - | - |