Description
Technical Specifications:
Chip Model: SRI512
Communication Protocol: ISO/IEC 14443-2 Type B
Operating Frequency: 13.56 MHz
Data Transfer Rate: 106 kbit/s
Storage Capacity: 512-bit EEPROM, divided into 16 blocks (32 bits per block)
Lockable Memory Area: 9 blocks (for tamper prevention)
Write/Erase Cycles: Theoretically up to 1 million cycles
Data Retention Time: Typically over 10 years
Power Supply: Contactless power transfer (battery-free)
Package Size: Standard CR80 (85.6 × 54 × 0.84 mm), PVC material
Operating Temperature: -20℃ ~ +50℃
Key Features:
High-security design: Supports block locking to prevent unauthorised data modification.
Strong anti-interference capability: Maintains stable communication even in complex electromagnetic environments.
Long lifespan and durability: Capable of millions of write/erase cycles, suitable for high-frequency use.
Strong compatibility: Seamlessly interfaces with card readers supporting the ISO 14443-B protocol.
Flexible customisation: Supports personalised customisation of thickness, material (such as ABS, PET), surface treatment, etc.
Why Choose the ST SRI512?
The ST SRI512 provides a dependable, low-maintenance memory solution with efficient data handling capabilities. Its compatibility with standard RFID infrastructures, along with passive operation, makes it ideal for secure, contactless identification and transaction environments.
Application Areas
Identity Recognition: Access control cards, employee cards, campus cards, etc.
Traffic Management: Public transport cards and subway ticketing systems in some cities
Hotel Control: Smart control applications such as room cards and power cards
Logistics and Asset Management: Library and archive management, warehouse labelling, equipment tracking, etc.
Industrial Control: Secure access scenarios such as equipment authorisation cards and access control cards.
Technical Specifications
| Attribute | Details |
|---|---|
| Material | PVC, PET, PET-G, PC |
| Size | CR80 standard (86×54mm), customizable |
| Chip | ST SRI512 (512-bit EEPROM) |
| Frequency | 13.56 MHz |
| Memory | 512-bit EEPROM, 16 blocks of 32 bits each |
| Power Supply | Passive (externally powered) |
| Protocols | ISO14443 A compatible |



