2 layers76.2 × 50.8 mm
2 layers76.2 × 50.8 mm
Mcustm32f402
STM32World/hardware6STM32World Development Modules
- Size
- 76.2 × 50.8 mm
- Copper layers
- 2
- Thickness
- 1.2 mm
- Parts
- 37
- Nets
- 85
- Pads
- 239
- Tracks, vias
- 447, 66
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 14 Jul 2021
- Updated
- 30 Oct 2025
Overview
Mcustm32f402 is an open-source printed circuit board by STM32World, from the STM32World/hardware repository on GitHub. It is a 2-layer board of 76.2 × 50.8 mm with 37 parts on 85 nets, routed with 447 tracks and 66 vias.
It is built around the AMS1117-3.3, TS-1088R-02526 and B5819W, with the PSM712 and TYPE-C-31-M-12 among its other parts. Its parts include 13 capacitors, 6 resistors, 4 diodes, 4 connectors and 2 ICs. It belongs with the STM32 boards of this library.
Main components
5
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsTS-1088R-02526
SMD,4x3mm100,000 cycles 12V 2.5mm 2.6N 2.93mm 3.9mm 50mA Black Round Button SMD(SMT) Tab SPST Surface Mount,Vertical Without Bracket SMD,4x3mm Tactile Switches ROHSXUNPUTactile Switches
B5819W
SOD-123-55℃~+125℃ 1.5A 1mA@40V 25A 40V 600mV@1A Standalone SOD-123 Schottky Diodes ROHSMDDSchottky Diodes
PSM712
SOT-23-55℃~+125℃ 10V、26V 12A 1uA 2 400W 45pF、75pF 7.5V、13.3V 7V、12V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 SOT-23 ESD and Surge Protection (TVS/ESD) ROHSDOWOESD And Surge Protection (TVS/ESD)
TYPE-C-31-M-12
SMD-30℃~+80℃ 1 10,000 cycles 16P 20V 5A 7.35mm Female Surface Mount, Right Angle Type-C SMD USB Connectors ROHSHRO ElectronicsUSB Connectors
README
README.mdstm32world
Documentation is in our wiki: https://stm32world.com/wiki/STM32World
Parts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | C_100NF_0603 | Capacitor_SMD:C_0603_1608Metric | C2, C5, C6, C7, C8, C9, C10 |
| 2 | C_10UF_0805 | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | C_20PF_0603 | Capacitor_SMD:C_0603_1608Metric | C11, C13 |
| 2 | JUMP2 | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP3, JP4 |
| 2 | R_10K_0603 | Resistor_SMD:R_0603_1608Metric | R3, R4 |
| 2 | R_220_0603 | Resistor_SMD:R_0603_1608Metric | R5, R6 |
| 2 | R_5.1K_0603 | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1, JP2 |
| 2 | TS-1088R-02526 | stm32world:TS-1088R-02526 | SW1, SW2 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | B5819W | Diode_SMD:D_SOD-123 | D2 |
| 1 | C_1UF_0603 | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | C_2.2UF_0603 | Capacitor_SMD:C_0603_1608Metric | C14 |
| 1 | FB_0603 | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | LED_BLUE_0603 | LED_SMD:LED_0603_1608Metric | D4 |
| 1 | LED_GREEN_0603 | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | PSM712 | Package_TO_SOT_SMD:SOT-23 | D1 |
| 1 | STM32F402RCTx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U2 |
| 1 | STM32WORLD_BOARD | stm32world:STM32WORLD_BOARD | J4 |
| 1 | STM32WORLD_CONNECTOR_1 | stm32world:PinSocket_2x20_P2.54mm_Vertical_Stackable | J2 |
| 1 | STM32WORLD_CONNECTOR_2 | stm32world:PinSocket_2x20_P2.54mm_Vertical_Stackable | J3 |
| 1 | TYPE-C-31-M-12 | stm32world:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | X_16MHZ | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
Questions
How big is the Mcustm32f402 PCB?
It measures 76.2 × 50.8 mm and has 2 copper layers, 1.2 mm thick.
What parts does the Mcustm32f402 use?
37 parts, built around the AMS1117-3.3, TS-1088R-02526, B5819W and PSM712. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Mcustm32f402 KiCad files?
From the STM32World/hardware repository on GitHub, at the commit this page was made from: the board is mcustm32f402/mcustm32f402.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mcustm32f402 design in my own project?
Its repository states no licence, so its author keeps all rights: ask STM32World before reusing the design.
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