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| PartNumber | MF1S5031XDUD/V1V | MF1S5031XDUF/V1V | MF1S5031XDUD2/V1A |
| Description | RFID Transponders MF1S5031XDUD/UNCASED//V1/WAFER SAWN FFC NDP NO MAR | RFID Transponders MF1S5031XDUF/UNCASED//V1/WAFER SAWN FFC NDP NO MAR | RFID Transponders MIFARE Classic EV1 1K - Mainstream contactless smart card IC for fast and easy solution development |
| Manufacturer | NXP | NXP | NXP |
| Product Category | RFID Transponders | RFID Transponders | RFID Transponders |
| RoHS | Y | Y | Y |
| Memory Size | 1 kB | 1 kB | 1 kB |
| Operating Frequency | 13.56 MHz | 13.56 MHz | 13.56 MHz |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Minimum Operating Temperature | - 25 C | - 25 C | - 25 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | Die | Die | Die |
| Product | MIFARE Classic EV1 | MIFARE Classic EV1 | MIFARE Classic EV1 |
| Series | MF1S50xx | MF1S50xx | MF1S50xx |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Product Type | RFID Transponders | RFID Transponders | RFID Transponders |
| Factory Pack Quantity | 325000 | 325000 | 118000 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Tradename | MIFARE | MIFARE | MIFARE |
| Part # Aliases | 935302802005 | 935302803005 | 935307803046 |
| Unit Weight | 0.000004 oz | 0.000003 oz | - |
| Packaging | - | - | Wafer Pack |