Skip to the content
PCBKitNew board
123456789101112131415161718192021

AFW121TI

99IOT

SMD WiFi Modules ROHS

Extended
DatasheetJLCPCBLCSC99iot/AFW121TI
Category
WiFi Modules
Package
SMD
Pins
21

Overview

The AFW121TI is a wiFi Module made by 99IOT in a SMD package with 21 pins. SMD WiFi Modules ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AFW121TI, from EasyEDA) and its footprint (EasyEDA_Cloud:WIFIM-SMD_AFW121TI, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C173761).

Symbol

GND1Wi-Fi-ANTENA2GND3NC/GND4CHIP_EN(RESET)5GPIOA_146GPIOA_157GPIOA_08GPIOA_129GND10VDD3311GND12NC13GPIOA_514GPIOA_1815GPIOA_1916GPIOA_2217GPIOA_2318GPIOA_3019GPIOA_2920GND21
EasyEDA_Cloud:AFW121TIFrom EasyEDA

Footprint

123456789101112131415161718192021
EasyEDA_Cloud:WIFIM-SMD_AFW121TIFrom EasyEDA

Parameters

1
Features
Over-the-air (OTA) update

Order codes

1

Pinout

21
The pins of the AFW121TI
PinNameType
1GNDUnspecified
2Wi-Fi-ANTENAUnspecified
3GNDUnspecified
4NC/GNDUnspecified
5CHIP_EN(RESET)Unspecified
6GPIOA_14Unspecified
7GPIOA_15Unspecified
8GPIOA_0Unspecified
9GPIOA_12Unspecified
10GNDUnspecified
11VDD33Unspecified
12GNDUnspecified
13NCUnspecified
14GPIOA_5Unspecified
15GPIOA_18Unspecified
16GPIOA_19Unspecified
17GPIOA_22Unspecified
18GPIOA_23Unspecified
19GPIOA_30Unspecified
20GPIOA_29Unspecified
21GNDUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/99iot/AFW121TI" title="AFW121TI in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/99iot/AFW121TI.jpg" alt="AFW121TI" width="1200" height="900">
A picture that opens the part, for a README
[![AFW121TI](https://pcbkit.io/embed/parts/99iot/AFW121TI.jpg?size=s)](https://pcbkit.io/parts/99iot/AFW121TI)

Questions

Is there a KiCad symbol and footprint for the AFW121TI?

Yes. The symbol is EasyEDA_Cloud:AFW121TI and the footprint EasyEDA_Cloud:WIFIM-SMD_AFW121TI, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AFW121TI?

SMD, with 21 pins. Its footprint is drawn on this page.

Where is the AFW121TI datasheet?

99IOT publishes it: the Datasheet link on this page opens it.

Where can I order the AFW121TI?

JLCPCB lists it as part C173761, with 0 in stock; the sellers' links on this page open their listings.

What can replace the AFW121TI?

Parts like it in the library: the AFW121TI-LOW1 by 99IOT, the AFW121TI-AY1LED1 by 99IOT, the AFW121TI-AY1VOC1 by 99IOT and the AFW121TI-AY1POW1 by 99IOT. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8