Preprinted CR80 13.56MHz NXP Mifare DESFire EV1 4K RFID Cards Pack of 100
- Product Code: RCC32
- Availability: In Stock
-
$97.00
- 5 or more $65.22
- 10 or more $61.31
- 50 or more $57.25
- 100 or more $56.24
The MIFARE DESFire EV1 4K(NXP model MF3ICD41) is a high-security, multi-application contactless smart card IC operating at 13.56 MHz. It is part of NXP's premium DESFire family, designed for applications requiring robust encryption (AES/3DES), a flexible file system, and reliable performance in public transport, access control, and e-government systems.
1. Core Definition
The DESFire EV1 4K is a passive (battery-free) ISO/IEC 14443-4 compliant chip featuring 4 KB (4096 bytes) of EEPROM memory. Unlike older MIFARE Classic cards, it functions as a true smart card with a dedicated cryptographic co-processor and an operating system that supports multiple isolated applications on a single card.
2. Key Technical Specifications
Parameter | Specification |
Chip Model | NXP MF3ICD41 (DESFire EV1 4K) |
RF Standard | ISO/IEC 14443-4 Type A (NFC Forum Tag Type 4) |
Frequency | 13.56 MHz (HF) |
Memory Size | 4 KB EEPROM (configurable into files) |
Data Rates | 106, 212, 424, 848 kbit/s (high-speed) |
Operating Distance | Up to ~10 cm (practical), up to ~1 m (theoretical with optimized reader) |
Security | AES-128, 3DES, DES; Common Criteria EAL4+ certified |
Write Endurance | ~500,000 cycles |
Data Retention | >10 years |
Multi-Application | Supports up to 28 different applications on one card |
3. Memory & File System
The 4 KB memory is managed via a flexible file system (not raw sector blocks like MIFARE Classic):
- File Types: Supports Standard Data, Value (for e-purse), Linear Record, and Cyclic Record files.
- Structure: Up to 28 Applications (App IDs), with up to 32 files per application.
- Access Rights: Each file has configurable access permissions (Read/Write) tied to cryptographic keys.
4. Security Features
- Hardware Crypto: Dedicated co-processor for AES-128, 3DES, and DES encryption. Data on the RF channel is fully encrypted.
- Authentication: Mutual three-pass authentication (ISO/IEC 7816-4 based).
- Anti-Tear Mechanism: Hardware protection against data corruption during sudden removal from the RF field.
- Privacy: Supports Random ID (RID) mode to prevent tracking of the card's unique 7-byte UID.
5. Common Applications
- Public Transportation: Electronic ticketing, season passes, and multimodal fare systems.
- Secure Access Control: Corporate and government building access (PACS).
- E-Government: National ID cards, health cards, and social benefit cards.
- Campus Cards: University IDs combining access, library, and payment.
- Closed-Loop Micropayment: Vending machines, canteens.
6. Advantages over MIFARE Classic
Feature | MIFARE DESFire EV1 4K | MIFARE Classic 4K |
Security | AES-128, EAL4+ (Secure) | Crypto1 (Broken/Vulnerable) |
Memory Model | File System (Flexible) | Fixed Sectors (Rigid) |
Speed | 848 kbit/s (Fast) | 106 kbit/s (Slow) |
Reliability | Anti-tear (Safe) | No anti-tear protection |
Summary
The MIFARE DESFire EV1 4Kis a high-performance, secure IC ideal for modern contactless systems that require fast transactions, multiple applications, and resistance to cloning. Its 4 KB memory and AES encryption make it a preferred choice for transit operators and enterprises moving away from legacy MIFARE Classic technology.