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The ST25T product family offers a wide range of NFC / RFID tags with memory sizes from 512-bits to 64-Kbit. They include short-range (ISO / IEC 14443 Type A or B) and long-range (ISO / IEC 15693) products for covering the below standards and applications.

  • ST25TA series: ISO 14443 Type A NFC Forum Type 4 certified tags suited for smart posters, business cards, gaming, NFC tags and more.
  • ST25TB series: ISO 14443 Type B compliant enabling contactless ticketing for mass transit and transport applications.
  • ST25TV series: ISO 15693 NFC Forum Type 5 certified tags suited for product identification, anti-counterfeiting, gaming applications and more.

The benefit of our 10 years longevity program is available to a part of the devices making them suitable for deployment in Industrial-grade and Medical NFC / RFID applications.

st25 nfc web app

ST25 Webapp - Use your Android phone to communicate with ST25 NFC / RFID Tags without having to download any application.

nfc forum

Standard compliant

  • ISO14443A/B
  • ISO15693
  • NFC Forum

nfc tag


  • 13.56MHz HF interface
  • Up to 32-bit counter with anti-tearing
  • Field detect (GPO)
  • OTP bytes
nfc tag memory

Best-In-Class memory

  • From 512bit to 64-Kbit
  • Up to 200 years data retention
  • 1M erase-write cycles
  • Up to 128-bit password
nfc software


  • Documentation
  • Evaluation boards
  • Antenna Design Tool
  • Associated software
  • ST Community

nfc rfid tags types


Antenna Design

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