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ST25R3911B-AQFT AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

ST25R3911B-AQFT product

ST25R3911B-AQFT

RF Access

NFCRFIDReader IC

The ST25R3911B-AQFT is a high-performance NFC initiator and HF reader IC designed for infrastructure applications requiring high RF performance and low power consumption.

Best for

  • NFC infrastructure
  • Payment terminals
  • Access control systems

Avoid if

  • Applications requiring extremely low-cost, simple RFID tags without reader functionality

Check before use

  • Antenna matching network design
  • Power supply decoupling requirements

Key specifications

Supply Voltage
2.4 V to 5.5 V
Interface
SPI
Package
QFN32

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
3
ECCN
-
HTSUS
-

Application

NFC InfrastructurePayment

Datasheet

ST25R3911B-AQFT-STMicroelectronics-datasheet-136099550.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for ST25R3911B-AQFT: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a highly integrated NFC initiator and HF reader IC that supports multiple protocols including ISO 18092, ISO 14443A/B, ISO 15693, and FeliCa.