NXP MIFARE Classic® Series Card

NXP MIFARE Classic® — The World's Most Trusted RFID Smart Card

MIFARE Classic® is the most classic contactless IC product series under NXP Semiconductors — a globally mature and widely adopted NFC/RFID chip with over 20 years of history and billions of units in circulation worldwide. Extensively used in access control, public transport, campus cards, membership, attendance, hotel key cards, and smart locks.

The EV1 enhanced version delivers comprehensive improvements in security and functionality and is the current mainstream recommended option.

Available Chip Models

• NXP MIFARE Classic® EV1 1K (S50)
  General-purpose model with 1Kbit memory. Cost-effective mainstream choice for access control and identification systems.
• NXP MIFARE Classic® EV1 4K (S70)
  High-capacity version with 4Kbit memory for complex data storage and enterprise-level multi-application systems.
• NXP MIFARE® Mini (S20)
  Compact miniaturized model for space-limited hardware such as small cards and embedded tags.

Core Advantages

• ✅ Industry Compatibility: ISO/IEC 14443 Type A compliant, compatible with global mainstream readers
• ✅ Passive & Stable: No battery — RF-powered, long service life, low maintenance
• ✅ Controllable Security: EV1 optimizes secure access mechanisms to prevent illegal reading/writing
• ✅ Flexible Selection: 1K / 4K / Mini to match different hardware and cost requirements

Card Specifications

• Size: CR80 — 85.5 × 54 mm (customizable)
• Thickness: 0.76 mm / 0.84 mm (or customized)
• RF Interface: ISO/IEC 14443-2, Type A — 13.56 MHz
• Material: PVC / PLA / PETG / PET / TESLIN / Wood / Bamboo / RPVC / Paper
• Craft / Finish: Glossy, Matte, Epoxy (Single/Double), Brushed (Single/Double), Laser (Single/Double)
• Printing Methods: Laser code, Flat code (gold/white/black), Inkjet code (standard/UV), Embossed code (gold/silver), Barcode (1D/2D), QR code

OEM/ODM customization available. Contact us for bulk pricing and custom specifications.

❓ FAQs:

Q1. What is MIFARE Classic used for?

It is one of the world's most widely deployed contactless smart card chips, used in office access control, hotel key cards, campus cards, public transit, membership systems, and smart locks.

Q2. What is the difference between 1K and 4K?

1K (S50) has 1Kbit memory — sufficient for most standard access control and identification applications. 4K (S70) has 4Kbit memory for systems requiring more data storage or complex multi-application setups.

Q3. Is MIFARE Classic secure enough for my application?

MIFARE Classic EV1 is suitable for general access control, campus, and membership applications. For financial, government, or high-security environments requiring AES encryption, we recommend upgrading to MIFARE DESFire EV3.

Q4. Is it compatible with existing readers?

Yes. MIFARE Classic is ISO/IEC 14443 Type A at 13.56MHz — compatible with the vast majority of NFC/RFID readers used in access control and transit systems worldwide.

Q5. Can I customize the card with my branding?

Yes. Full custom printing on both sides — logo, artwork, serial number, QR code. Multiple materials and surface finishes available.

Q6. Do you offer OEM or white-label manufacturing?

Yes. Full OEM/ODM service — chip selection, encoding, custom printing, branded packaging. Your brand, no mention of us.