RF and Wireless

ST25R3918-AQET

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STMicroelectronics

RFID, READ/WRITE, 13.56MHZ, UFQFPN-32 ROHS COMPLIANT: YES

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RF and Wireless

ST25R3918-AQET

Active

STMicroelectronics

RFID, READ/WRITE, 13.56MHZ, UFQFPN-32 ROHS COMPLIANT: YES

Deep-Dive with AI

Documents +17

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ST25R3918-AQET

Frequency	13.56 MHz
Interface	SPI, I2C
Mounting Type	Wettable Flank, Surface Mount
Operating Temperature [Max]	105 °C
Operating Temperature [Min]	-40 °C
Package / Case	32-VFQFN Exposed Pad
Standards	ISO 15693, ISO 14443A, FeliCa, ISO 14443B, NFC, Mifare
Supplier Device Package	32-VFQFPN
Supplier Device Package [x]	5
Supplier Device Package [y]	5
Type	RFID Reader/Transponder
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2.6 V

ST25R3918 Series

Multi-purpose NFC transceiver

Part	Package / Case	Operating Temperature [Min]	Operating Temperature [Max]	Frequency	Mounting Type	Type	Supplier Device Package	Supplier Device Package [x]	Supplier Device Package [y]	Voltage - Supply [Min]	Voltage - Supply [Max]	Standards	Interface
STMicroelectronics ST25R3918-AQWT	32-VFQFN Exposed Pad	-40 °C	105 °C	13.56 MHz	Surface Mount Wettable Flank	RFID Reader/Transponder	32-VFQFPN	5	5	1.65 V	5.5 V	FeliCa ISO 14443 ISO 15693 Mifare NFC	I2C SPI
STMicroelectronics ST25R3918-AQET	32-VFQFN Exposed Pad	-40 °C	105 °C	13.56 MHz	Surface Mount Wettable Flank	RFID Reader/Transponder	32-VFQFPN	5	5	2.6 V	5.5 V	FeliCa ISO 14443A ISO 14443B ISO 15693 Mifare NFC	I2C SPI

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 3.53
Newark	Each (Supplied on Cut Tape)	1	$ 4.90
		10	$ 4.39
		25	$ 4.21
		50	$ 4.08
		100	$ 3.96
		250	$ 3.81
		500	$ 3.71
		1000	$ 3.61

Description

General part information

ST25R3918 Series

The ST25R3918 is a multipurpose NFC transceiver supporting NFC reader, passive peer to peer functionality and NFC card emulation mode.

This IC is optimized for IOT and other consumer or industrial applications where excellent analog performance is required.

The ST25R3918 is also optimized to achieve good read ranges with low output power, even under noisy and harsh environments, using noise reduction receiver technology.