{"id":4325,"date":"2024-06-28T14:28:00","date_gmt":"2024-06-28T06:28:00","guid":{"rendered":"https:\/\/www.dccochina.com\/?post_type=product&p=4325"},"modified":"2026-05-06T11:13:40","modified_gmt":"2026-05-06T03:13:40","slug":"st25tb512-card","status":"publish","type":"product","link":"https:\/\/www.dccochina.com\/es\/shop\/st25tb512-card\/","title":{"rendered":"ST25TB512 Card"},"content":{"rendered":"

Technical Specifications:<\/h2>\n

Chip Series: ST25TB Series (including ST25TB512-AT\/AC models)<\/p>\n

Communication Protocol: ISO\/IEC 14443-2 Type B (Proprietary Protocol Extension)<\/p>\n

Operating Frequency: 13.56 MHz Carrier Frequency<\/p>\n

Subcarrier Frequency: 847 kHz (for BPSK modulation data return)<\/p>\n

Data Rate: 106 kbit\/s (Bidirectional transmission)<\/p>\n

Storage Structure:<\/p>\n

Total Capacity: 512-bit EEPROM<\/p>\n

Organisation: 16 blocks \u00d7 32 bits (some sources say 128 blocks, may vary depending on the model)<\/p>\n

Unique Identifier (UID): 64-bit unique ID for device identification<\/p>\n

Anti-collision Mechanism: Time slot arbitration based on 8-bit Chip_ID, supports simultaneous reading of multiple tags<\/p>\n

Counter Function: Integrated two 32-bit decrementing binary counters with tear protection<\/p>\n

OTP Area: Resettable one-time programmable area, supports secure status marking<\/p>\n

Write\/erase cycle life: 1 million write\/erase cycles<\/p>\n

Data retention: Over 40 years<\/p>\n

Internal tuning capacitor: 68 pF, simplifies antenna matching design<\/p>\n

Key Features:<\/strong><\/h2>\n

High-Reliability EEPROM:<\/strong> Industrial-grade durability, suitable for high-frequency read\/write environments.<\/p>\n

Dual Counter Design:<\/strong> Supports “single\/multiple pass” logic, widely used in transportation ticketing systems.<\/p>\n

Anti-tearing Protection:<\/strong> Ensures data integrity during power outages or signal interruptions.<\/p>\n

Strong Anti-interference Capability:<\/strong> Optimised RF interface design ensures stable operation in complex electromagnetic environments.<\/p>\n

Low-Power Passive Design:<\/strong> Battery-free, powered by the reader’s electromagnetic field, ready to use immediately.<\/p>\n

Supports Reusable Scenarios:<\/strong> Optimised for reusable scenarios such as public transport cards and event tickets.<\/p>\n

Why Choose the ST25TB512?<\/strong><\/h2>\n

The ST25TB512 offers an excellent balance of compact memory size, energy efficiency, and robust performance. Its compatibility with industry-standard RFID systems and passive power operation ensures easy integration and maintenance-free operation in access control, hospitality, and payment applications.<\/p>\n

Application Areas<\/strong><\/h2>\n

Public Transportation:<\/strong> Bus cards, subway tickets, shared bicycle authorisation cards<\/p>\n

Event Ticketing:<\/strong> Electronic tickets and anti-counterfeiting verification for concerts and sporting events<\/p>\n

Asset Tracking:<\/strong> Maintenance cycle records for industrial equipment, tools, and instruments<\/p>\n

Brand Anti-counterfeiting:<\/strong> NFC verification tags for high-value goods such as luxury goods and alcoholic beverages<\/p>\n

Access Control and Identification:<\/strong> Visitor cards, temporary passes, exhibition badges<\/p>\n

Smart Industry:<\/strong> Maintenance record tracking, equipment usage statistics<\/p>\n

\"Application<\/p>\n

Technical Specifications<\/strong><\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n
Attribute<\/th>\nDetails<\/th>\n<\/tr>\n<\/thead>\n
Material<\/td>\nPVC, PET, PET-G, PC<\/td>\n<\/tr>\n
Size<\/td>\nCR80 standard (86\u00d754mm), customizable<\/td>\n<\/tr>\n
Chip<\/td>\nST25TB512 (512-bit EEPROM)<\/td>\n<\/tr>\n
Frequency<\/td>\n13.56 MHz<\/td>\n<\/tr>\n
Memory<\/td>\n512-bit EEPROM, 16 blocks of 32 bits each<\/td>\n<\/tr>\n
Power Supply<\/td>\nPassive (externally powered)<\/td>\n<\/tr>\n
Protocols<\/td>\nISO14443 A compatible<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

The ST25TB512 is a 13.56 MHz short-range contactless memory chip from STMicroelectronics. Its full name is “ST25TB512 – Contactless Memory IC with 512-bit EEPROM and Anticollision Functions”, and it is designed for reusable ticketing and identity recognition scenarios.<\/p>\n

Product Details:<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
ST25TB512 Card<\/th>\n<\/tr>\n<\/thead>\n
Material<\/span><\/td>\nPVC, PET, PET-G, PC<\/span><\/td>\n<\/tr>\n
Size<\/span><\/td>\nCR80 standard 86\u00d754mm, or customised shape<\/span><\/td>\n<\/tr>\n
Printing<\/span><\/td>\nBlank Card or Customised Printing<\/span><\/td>\n<\/tr>\n
Thickness<\/span><\/td>\n0.84mm<\/span><\/td>\n<\/tr>\n
Chip<\/span><\/td>\nST25TB512<\/span><\/td>\n<\/tr>\n
Working Frequency<\/span><\/td>\n13.56 MHz<\/span><\/td>\n<\/tr>\n
Interface<\/span><\/td>\nRFID<\/span><\/td>\n<\/tr>\n
Protocol<\/span><\/td>\nISO 14443 B<\/span><\/td>\n<\/tr>\n
UID<\/span><\/td>\n8 Byte UID<\/span><\/td>\n<\/tr>\n
EEPROM<\/span><\/td>\n512 bit<\/span><\/td>\n<\/tr>\n
Reading Distance<\/span><\/td>\n0-10 cm<\/span><\/td>\n<\/tr>\n
Function<\/span><\/td>\nRead & Write<\/span><\/td>\n<\/tr>\n
Compatible Chip<\/span><\/td>\nST SRI512<\/span><\/td>\n<\/tr>\n
Lifetime<\/span><\/td>\n>1,000,000 times read & write, 40 years<\/span><\/td>\n<\/tr>\n
Applications<\/span><\/td>\nAccess control Card<\/span>
\nHotel Key Card<\/span>
\nLoyalty Card<\/span>
\ntime & attendance Card<\/span>
\nCashless payment Card<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":2452,"template":"","meta":[],"product_cat":[115],"product_tag":[147],"class_list":["post-4325","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-13-56mhz-card","product_tag-st25tb512-card"],"yoast_head":"\nST25TB512 Card - Dcco<\/title>\n<meta name=\"description\" content=\"The ST25TB512 Card is a contactless memory powered by externally transmitted radio waves and contains a 512-bit user EEPROM manufactured in STMicroelectronics CMOS technology.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dccochina.com\/es\/shop\/st25tb512-card\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ST25TB512 Card - Dcco\" \/>\n<meta property=\"og:description\" content=\"The ST25TB512 Card is a contactless memory powered by externally transmitted radio waves and contains a 512-bit user EEPROM manufactured in STMicroelectronics CMOS technology.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dccochina.com\/es\/shop\/st25tb512-card\/\" \/>\n<meta property=\"og:site_name\" content=\"Dcco\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-06T03:13:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dccochina.com\/wp-content\/uploads\/2023\/12\/DSC00522-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1708\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.dccochina.com\/shop\/st25tb512-card\/\",\"url\":\"https:\/\/www.dccochina.com\/shop\/st25tb512-card\/\",\"name\":\"ST25TB512 Card - 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