{"license":"Free for any use with attribution link to rfid-datasheet.com","citation":"RFID-Datasheet.com Chip Database — Roxtron","source":"https://rfid-datasheet.com/chip/st25ta02kb","methodology":"https://rfid-datasheet.com/methodology","data_notes":"Includes automated enrichment. Null means unknown; last_checked is link availability, not technical review. Manufacturer documents govern specifications.","generated_at":"2026-11-01T19:50:47.609Z","chip":{"id":"0276ee78-144a-43f3-a532-5c4efa22fe8b","slug":"st25ta02kb","name":"ST25TA02KB","manufacturer":"STMicroelectronics","frequency_category":"NFC","short_description":"NFC Forum Type 4, ISO 14443A, secure element","manufacturer_url":"https://vbtdkdldajoxuasljhkm.supabase.co/storage/v1/object/public/datasheets/st25ta02kb.pdf","frequency":"13.56 MHz","protocol":"ISO/IEC 14443-A, NFC Forum Type 4","memory":"2 Kbit EEPROM (256 bytes)","interface":"RF (contactless), I2C","temp_range":"-25°C to +85°C","form_factor":"MO-146 (SO8), MO-229 (TSSOP8), Wafer","security":"AES-128, 3DES, ECC P-256, secure channel (SCP), common criteria EAL5+","use_cases":["brand-protection","access-control","industrial-iot"],"engineering_brief":"The ST25TA02KB is a secure NFC Forum Type 4 tag with integrated cryptographic coprocessor, featuring 2 Kbit EEPROM and dual RF/I2C interfaces. It supports AES-128, 3DES, and ECC P-256 cryptography with Common Criteria EAL5+ certification, making it ideal for high-security authentication applications. The chip operates at 13.56 MHz and complies with ISO/IEC 14443-A, enabling both contactless NFC interactions and host communication via I2C. Its robust security features and flexible interface make it suitable for brand protection, secure pairing, and IoT device authentication.","enriched":true,"url_status":"ok","link_status":"valid","last_checked":"2026-11-01T03:31:28.371+00:00","last_status_code":200,"last_content_type":"application/pdf","created_at":"2026-06-14T16:30:56.111445+00:00","manufacturer_id":"0c208bcb-2193-4014-9a7f-783bb32a8c9e","chip_type":"tag_ic","dual_interface":false,"is_family_hub":false,"meta_description":"STMicroelectronics ST25TA02KB: NFC Forum Type 4 secure tag IC with 2 Kbit EEPROM, AES-128/ECC cryptography, Common Criteria EAL5+ for authentication and brand protection.","faq":[{"a":"The ST25TA02KB has Common Criteria EAL5+ certification, one of the highest security assurance levels available. It features AES-128, 3DES, and ECC P-256 cryptographic algorithms with secure channel protocol (SCP) support for high-security authentication applications.","q":"What security certifications does the ST25TA02KB have?"},{"a":"The ST25TA02KB has 2 Kbit (256 bytes) of EEPROM memory for data storage.","q":"How much memory does the ST25TA02KB have?"},{"a":"The ST25TA02KB features dual interfaces: contactless RF at 13.56 MHz for NFC communication and I2C for direct host communication. This enables both over-the-air NFC interactions and wired configuration/data exchange.","q":"What interfaces does the ST25TA02KB support?"},{"a":"Yes, the ST25TA02KB is fully compatible with standard NFC readers. It complies with ISO/IEC 14443-A and NFC Forum Type 4 specifications, enabling seamless interaction with smartphones and commercial NFC infrastructure.","q":"Is the ST25TA02KB compatible with standard NFC readers?"},{"a":"The ST25TA02KB supports AES-128 symmetric encryption, 3DES legacy encryption, and ECC P-256 elliptic curve cryptography for asymmetric operations. It includes a dedicated cryptographic coprocessor for secure key storage and cryptographic operations.","q":"What cryptographic algorithms does the ST25TA02KB support?"},{"a":"The ST25TA02KB is designed for high-security applications including brand protection against counterfeiting, secure device pairing, IoT device authentication, and access control systems where EAL5+ certified cryptographic protection is required.","q":"What are typical applications for the ST25TA02KB?"}],"standards":["iso-14443a","nfc-forum-type-4","iso-7816"],"alternatives":["a331f599-7ca7-4faf-b528-74969826cc2d","9d0f761d-1dbe-466f-b5bc-213fe67501ed","6285cc5c-e95a-456d-94c5-fd4e3adb20a5"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/st25ta02kb"}}