# STM32F051K4U6 (Component)
## Description
ST Microelectronics
STM32F051K4U6
UFQFPN-32_L5.0-W5.0-P0.50-BL-EP3.5
LCSC Part Number: C141739
JLCPCB Part Class: Extended Part
Manufactured by ST(意法半导体)
## Component Details
- **Owner:** lcsc
- **Created:** 11/4/2024
- **Last Updated:** 4/24/2025
- **Visibility:** Public
- **Manufacturer Name:** ST(意法半导体)
- **Manufacturer Part Number:** STM32F051K4U6
- **Product Info Url:** https://lcsc.com/product-detail/ST-Microelectronics_STMicroelectronics_STM32F051K4U6_STM32F051K4U6_C141739.html
- **Package or Case Code:** UFQFPN-32_L5.0-W5.0-P0.50-BL-EP3.5
- **LCSC Part Number:** C141739
- **Part Type:** ST Microelectronics
- **JLCPCB Part Class:** Extended Part
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-STM32F051K4U6_C141739.pdf
## 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/stm32f051k4u6/stmicroelectronics.html?utm_currency=USD®ion=nac) | $1.2962 | 1.9K |
| [Digi-Key](https://www.digikey.com/en/products/detail/stmicroelectronics/STM32F051K4U6/3193384) | $2.54 | 2.6K |
| [LCSC](https://www.lcsc.com/product-detail/C141739.html) | $2.1055 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/STM32F051K4U6?qs=hFZnydTV6Meg5KGRB2xAVA%3D%3D) | $3.45 | 1.9K |
| [Verical](https://www.verical.com/pd/stmicroelectronics-microcontroller-STM32F051K4U6-654184?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** STMicroelectronics
- **MPN:** STM32F051K4U6
- **Mount Type:** PCB
- **Package / Case Code:** Other
- **Pin Count:** 33
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | VDD | |
| 2 | PF0-OSC_IN(PF0) | |
| 3 | PF1-OSC_OUT(PF1) | |
| 4 | NRST | |
| 5 | VDDA | |
| 6 | PA0 | |
| 7 | PA1 | |
| 8 | PA2 | |
| 9 | PA3 | |
| 10 | PA4 | |
| 11 | PA5 | |
| 12 | PA6 | |
| 13 | PA7 | |
| 14 | PB0 | |
| 15 | PB1 | |
| 16 | PB2 | |
| 17 | VDD | |
| 18 | PA8 | |
| 19 | PA9 | |
| 20 | PA10 | |
| 21 | PA11 | |
| 22 | PA12 | |
| 23 | PA13(SWDAT) | |
| 24 | PA14(SWCLK) | |
| 25 | PA15 | |
| 26 | PB3 | |
| 27 | PB4 | |
| 28 | PB5 | |
| 29 | PB6 | |
| 30 | PB7 | |
| 31 | BOOT0 | |
| 32 | PB8 | |
| 33 | EP | |
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*Generated from [https://www.flux.ai/lcsc/stm32f051k4u6~zaj4](https://www.flux.ai/lcsc/stm32f051k4u6~zaj4)*