# ST25R3911B-AQFT (Component)
## Description
NFC/RFID Tags & Transponders High performance HF reader / NFC initiator 1.4 W supporting VHBR and AAT #CommonPartsLibrary #NFC/RFID #Transponders
## Component Details
- **Owner:** jecstronic
- **Created:** 4/17/2023
- **Last Updated:** 4/17/2023
- **Visibility:** Public
- **Manufacturer Name:** STMicroelectronics
- **Datasheet URL:** https://www.mouser.com/datasheet/2/389/st25r3911b-1850183.pdf
- **Manufacturer Part Number:** ST25R3911B-AQFT
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Part Type:** RFID
- **Used in:** 42 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/st25r3911b-aqft/stmicroelectronics.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/stmicroelectronics/ST25R3911B-AQFT/5155655) | $6.16 | 6.1K |
| [HQonline](https://www.hqonline.com/product-detail/rf-other-ics-and-modules-st-st25r3911b-aqft-2500327472) | $3.09228 | 378 |
| [LCSC](https://www.lcsc.com/product-detail/C273249.html) | $3.4533 | 1.7K |
| [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/ST25R3911B-AQFT?qs=pBOFM1sAujv0291w1NR1FA%3D%3D) | $5.07 | 0 |
| [Verical](https://www.verical.com/pd/stmicroelectronics-nfc-rfid-reader-and-writer-ST25R3911B-AQFT-3271330?utm_currency=USD) | N/A | N/A |
- **Part Type:** EMI / RFI Components
- **Manufacturer:** STMicroelectronics
- **MPN:** ST25R3911B-AQFT
- **Pin Count:** 33
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | VDD_IO | |
| 2 | CSO | |
| 3 | VSP_D | |
| 4 | XTO | |
| 5 | XTI | |
| 6 | VSN_D | |
| 7 | VSP_A | |
| 8 | VDD | |
| 9 | VSP_RF | |
| 10 | RFO1 | |
| 11 | RFO2 | |
| 12 | VSN_RF | |
| 13 | TRIM1_3 | |
| 14 | TRIM2_3 | |
| 15 | TRIM1_2 | |
| 16 | TRIM2_2 | |
| 17 | TRIM1_1 | |
| 18 | TRIM2_1 | |
| 19 | TRIM1_0 | |
| 20 | TRIM2_0 | |
| 21 | VSS_1 | |
| 22 | RFI1 | |
| 23 | RFI2 | |
| 24 | AGD | |
| 25 | CSI | |
| 26 | VSN_A | |
| 27 | IRQ | |
| 28 | MCU_CLK | |
| 29 | MISO | |
| 30 | MOSI | |
| 31 | SCLK | |
| 32 | /SS | |
| 33 | VSS_2 | |
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*Generated from [https://www.flux.ai/jecstronic/st25r3911b-aqft~lr8](https://www.flux.ai/jecstronic/st25r3911b-aqft~lr8)*