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PCF7937EA/C1AB5901

PCF7937EA/C1AB5901 Description

The PCF7937EA/C1AB5901 is a high-performance 125kHz RFID Read/Write transponder from NXP Semiconductors, designed for secure and reliable data communication in low-frequency RFID systems. This active-status device features EEPROM-based memory for flexible read/write operations, making it ideal for applications requiring dynamic data storage and retrieval. Compliant with ROHS3 and REACH environmental standards, it is packaged in bulk form with a Moisture Sensitivity Level (MSL) of 1, ensuring durability in harsh conditions. Its EAR99 classification ensures broad exportability, while its HTSUS code (8523.52.0010) simplifies customs handling.

PCF7937EA/C1AB5901 Features

• 125kHz Operating Frequency: Ensures stable performance in noisy environments, ideal for industrial and automotive applications.
• Read/Write Memory: Enables dynamic data updates, supporting applications like access control and asset tracking.
• PLL (Phase-Locked Loop) Technology: Enhances signal integrity and synchronization, reducing errors in data transmission.
• ROHS3 & REACH Compliant: Meets stringent environmental regulations, suitable for global deployments.
• Bulk Packaging & MSL 1: Facilitates cost-effective mass production and handling without moisture concerns.
• Base Product Number PCF7937: Ensures compatibility with existing NXP RFID ecosystems and development tools.

PCF7937EA/C1AB5901 Applications

• Access Control Systems: Secure entry management for buildings or vehicles, leveraging its read/write capability for credential updates.
• Industrial Automation: Reliable identification of machinery components or tools in manufacturing lines.
• Animal Tracking: Durable and low-power operation for livestock or pet identification tags.
• Asset Management: Tamper-proof logging of equipment status or maintenance history in logistics.
• Automotive Keyless Entry: Robust performance in challenging RF environments, ensuring consistent communication.

Conclusion of PCF7937EA/C1AB5901

The PCF7937EA/C1AB5901 stands out as a versatile 125kHz RFID transponder, combining PLL-enhanced signal stability, rewritable memory, and environmental resilience. Its compliance with global standards and suitability for demanding use cases—from industrial automation to secure access—makes it a superior choice over basic read-only tags. Engineers and system integrators will benefit from its NXP-backed reliability and scalable deployment options, ensuring long-term viability in evolving RFID applications.