ST25R100-CMET

Product Overview

ST25R100-CMET from STMicroelectronics is a NFC / HF RFID reader IC used in RF, microwave or wireless signal-chain designs. This product detail focuses on the practical RF function, operating range, interface requirements and sourcing relevance for engineering and procurement teams.

The final ordering suffix should be checked against the original bill of materials for package, temperature grade, reel format, firmware option and RF performance before purchase.

Key Features

• Manufacturer: STMicroelectronics
• Part Number: ST25R100-CMET
• Device Type: NFC / HF RFID reader IC
• RF Function: 13.56 MHz NFC/HF RFID reader front-end IC
• Operating Frequency: 13.56 MHz carrier for NFC and ISO/IEC 14443-style HF RFID systems
• Reader Role: Generates RF field, receives tag response and interfaces with host controller
• Host Interface: Digital host-control interface for NFC/RFID protocol management
• Package / Case: CMET package ordering suffix
• Design Notes: Confirm matching network, antenna coil, EMC filter and supported NFC protocol stack before replacement.

Applications

RF and microwave signal-chain boards, wireless infrastructure, radar modules, satellite/ISM systems and receiver/transmitter support circuits.

Replacement sourcing, shortage support and legacy RF module builds where the exact suffix, package and RF behavior must match the original BOM.

Quality & Sourcing

Antrex Electronics can support sourcing for ST25R100-CMET through available stock checks, BOM consolidation and alternative-lot review. For RF and microwave components, packaging condition, date code, MSL handling and original labeling should be checked before shipment.

For project builds, repair support or shortage coverage, Antrex Electronics can coordinate visual inspection, package verification and third-party testing when required. This helps buyers manage risk when sourcing discontinued, legacy or hard-to-find RF ICs and modules.