4 layers39.5 × 21 mm
ScartPCB
screwbreaker/ScartPCB
A little PCB to buld a SCART cable for console and old computers
55 parts33
6 layers138.2 × 101.3 mm
Ntp server stm32
rcldesign/ntp-server-stm32- Size
- 138.2 × 101.3 mm
- Copper layers
- 6
- Thickness
- 1.6 mm
- Parts
- 648
- Nets
- 479
- Pads
- 2,281
- Tracks, vias
- 7,205, 1,352
- Pours
- 2,297
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 2 Jun 2026
- Updated
- 7 Aug 2026
Overview
Ntp server stm32 is an open-source printed circuit board by rcldesign, from the rcldesign/ntp-server-stm32 repository on GitHub. It is a 6-layer board of 138.2 × 101.3 mm with 648 parts on 479 nets, routed with 7,205 tracks and 1,352 vias.
It is built around the 74LVC1G34Z, INA228AQDGSRQ1 and AP3441SHE-7B, with the TPD4E05U06DQAR, RT9742VGJ5 and FDMQ8205A among its other parts. Its parts include 221 resistors, 197 capacitors, 36 ICs, 22 transistors and 20 diodes. It belongs with the computers and single-board computers boards and the STM32 boards of this library.
Main components
12
74LVC1G34Z
SOT-553-5-40℃~+125℃ 1 1 1.65V~5.5V 1.6ns@5V,50pF 10uA 32mA 32mA 74LVC Power-off isolation Push-pull Unidirectional SOT-553-5 Buffers, Drivers, Receivers, Transceivers ROHSDiodes IncorporatedBuffers, Drivers, Receivers, Transceivers
INA228AQDGSRQ1
MSOP-10-3mm-300mV~85V -40℃~+125℃ 0.01uV/℃ 154dB 1uV 2.5nA 2.7V~5.5V 640uA High-side detection、Low-side detection、Bidirectional detection、Zero drift / auto-zero、Power monitoring、Digital output interface、Programmable threshold alarm、Integrated ADC ±163.84mV MSOP-10-3mm Current Sense Amplifiers ROHSTexas InstrumentsCurrent Sense Amplifiers
AP3441SHE-7B
DFN2020-8-EP-40℃~+85℃@(TA) 1 1MHz 2.7V~5.5V 3A 55uA 600mV~5.5V Adjustable Buck Buck Built-in Yes DFN2020-8-EP DC-DC Converters ROHSDiodes IncorporatedDC-DC Converters
TPD4E05U06DQAR
USON-10-40℃~+125℃ 0.5pF 10nA 14V 2.5A@8/20us 40W@8/20us 5.5V 6.5V ESD Four channels IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Unidirectional USON-10(1x2.5) ESD and Surge Protection (TVS/ESD) ROHSTexas InstrumentsESD Protection Devices
RT9742VGJ5
TSOT-23-5-40℃~+85℃ 1 2.7V~6V 70mΩ TSOT-23-5 Power Distribution Switches ROHSRichtek TechPower Distribution Switches
FDMQ8205A
WDFN-12(4.5x5)-40℃~+85℃ 1.7A 100V IEEE 802.3 at(PoE+)、IEEE 802.3 bt(PoE++)、IEEE 802.3 af(PoE) PD detection and disconnect identification Powered Device (PD) WDFN-12(4.5x5) Power Over Ethernet (PoE) Controllers ROHSonsemiPower Over Ethernet (PoE) Controllers
BC847W
SOT-323-3-65℃~+150℃ 1 NPN 100MHz 100mA 110 200mV 200mW 45V 5uA 6V NPN SOT-323 Bipolar (BJT) ROHSNexperiaBipolar (BJT)
BAT54J
SOD-323F1 Independent 200mA 2uA@25V 30V 600mA 800mV@100mA SOD-323F Schottky Diodes ROHSNexperiaSchottky DiodesBC857W
SOT-323-65℃~+150℃ 1 PNP 100MHz 100mA 125 15nA 200mW 45V 5V 600mV PNP SOT-323 Bipolar (BJT) ROHSNexperiaBipolar (BJT)
SMA-J-P-H-RA-TH1
插件-65℃~+125℃ 1 20GHz 335V 50Ω Board Side Elbow Inner hole SMA Plugin Coaxial Connectors (RF) ROHSSamtecCoaxial Connectors (RF)
BAT54S
SOT-231 Pair Series Connection 1V@100mA 200mA 2uA@25V 30V 600mA SOT-23 Schottky Diodes ROHSMDDSchottky Diodes
SMAJ15CA
DO-214AC(SMA)ESD And Surge Protection (TVS/ESD)hongjiacheng
Parts
648| Qty | Value | Footprint | References |
|---|---|---|---|
| 84 | 0.1uF | copy_ref:C_0402_1005Metric | C12, C100, C107, C118, C120, C121, C122, C123, C124, C131, C132, C139, C140, C144, C145, C149 +68 |
| 83 | 10k | copy_ref:R_0402_1005Metric | R104, R105, R124, R131, R135, R137, R139, R143, R145, R149, R150, R155, R157, R158, R160, R161 +67 |
| 31 | 100k | copy_ref:R_0402_1005Metric | R19, R21, R108, R109, R110, R111, R118, R119, R120, R133, R146, R152, R164, R176, R182, R188 +15 |
| 24 | 10uF | copy_ref:C_1206_3216Metric | C32, C50, C59, C64, C102, C103, C104, C105, C111, C112, C113, C114, C115, C154, C156, C168 +8 |
| 18 | BC847W | Package_TO_SOT_SMD:SOT-323_SC-70 | Q1, Q4, Q5, Q6, Q7, Q10, Q14, Q15, Q16, Q18, Q19, Q20, Q21, Q23, Q24, Q26 +2 |
| 15 | 1uF | copy_ref:C_0603_1608Metric | C18, C28, C40, C45, C47, C52, C57, C84, C85, C130, C143, C152, C157, C182, C191 |
| 14 | 0.125" Mounting Hole | MountingHole:MountingHole_3.2mm_M3_Pad | H1, H2, H3, H4, H5, H6, H7, H8, H9, H10, H11, H12, H13, H14 |
| 11 | 10nF | copy_ref:C_0402_1005Metric | C63, C106, C110, C116, C119, C148, C151, C155, C190, C192, C206 |
| 11 | 600 | copy_ref:1206 | FB1, FB2, FB3, FB5, FB6, FB7, FB8, FB9, FB10, FB11, FB12 |
| 8 | 22uF | copy_ref:C_0805_2012Metric | C92, C93, C94, C95, C96, C97, C109, C117 |
| 8 | INA228AQDGSRQ1 | sts1000:VSSOP10_DGS_TEX | U10, U23, U26, U30, U31, U37, U44, U54 |
| 7 | 2.2uF | copy_ref:C_0805_2012Metric | C34, C36, C38, C39, C82, C129, C138 |
| 7 | 4.7k | copy_ref:R_0402_1005Metric | R75, R151, R156, R171, R202, R203, R234 |
| 7 | 4.7uF | copy_ref:C_0805_2012Metric | C13, C27, C30, C33, C46, C81, C137 |
| 6 | 2.2uF | Capacitor_SMD:C_2220_5750Metric | C75, C77, C80, C133, C134, C136 |
| 6 | 91 | copy_ref:R_0805_2012Metric | R247, R248, R249, R250, R251, R252 |
| 5 | 100 | copy_ref:R_0402_1005Metric | R31, R32, R33, R34, R178 |
| 5 | 1nF | copy_ref:C_0402_1005Metric | C3, C6, C62, C200, C201 |
| 5 | 22 | copy_ref:R_0402_1005Metric | R123, R187, R189, R210, R211 |
| 5 | 4.99k | copy_ref:R_0402_1005Metric | R49, R136, R228, R229, R230 |
| 5 | 47pF | copy_ref:C_0402_1005Metric | C11, C141, C142, C146, C147 |
| 5 | 49.9 | copy_ref:R_0402_1005Metric | R42, R43, R44, R45, R177 |
| 4 | 0.1uF | copy_ref:C_1210_3225Metric | C37, C98, C99, C101 |
| 4 | 1.5M | copy_ref:R_0402_1005Metric | R9, R10, R11, R12 |
| 4 | 1.5k | copy_ref:R_0402_1005Metric | R36, R46, R57, R185 |
| 4 | 1M | copy_ref:R_0402_1005Metric | R1, R65, R141, R231 |
| 4 | 1k | copy_ref:R_0402_1005Metric | R7, R55, R122, R181 |
| 4 | 1uF | copy_ref:C_0805_2012Metric | C7, C9, C79, C135 |
| 4 | 2.2 | copy_ref:R_0402_1005Metric | R101, R103, R162, R163 |
| 4 | 2.2uH | dowload:DR73-2R2-R | L3, L4, L5, L6 |
| 4 | 33 | copy_ref:R_0402_1005Metric | R183, R184, R255, R256 |
| 4 | BAT54J | Diode_SMD:D_SOD-323F | D10, D15, D17, D24 |
| 4 | BC846BPDW1T1G | copy_ref:SOT-363_SC-70-6 | U3, U4, U5, U6 |
| 4 | BC857W | Package_TO_SOT_SMD:SOT-323_SC-70 | Q3, Q12, Q13, Q17 |
| 4 | DGK8 | dowload:LMV393 | U2, U25, U41, U67 |
| 4 | DQA0010A | dowload:TPD4E02B04DQAR | U15, U16, U19, U20 |
| 4 | SMA-J-P-H-RA-TH1 | dowload:SAMTEC_SMA-J-P-X-RA-TH1 | J7, J8, J9, J15 |
| 4 | TPD4E05U06DQAR | copy_ref:USON-10_2.5x1.0mm_P0.5mm | U65, U66, U69, U70 |
| 3 | 25m | copy_ref:R_1206_3216Metric | R16, R30, R126 |
| 3 | 2M | copy_ref:R_0402_1005Metric | R6, R238, R245 |
| 3 | 3V3 | copy_ref:SOT-23-3 | D16, D20, D21 |
| 3 | 4.7nF | copy_ref:C_0402_1005Metric | C69, C70, C108 |
| 3 | 4.7nF | Capacitor_SMD:C_1812_4532Metric | C1, C42, C186 |
| 3 | 470 | copy_ref:R_0402_1005Metric | R170, R172, R260 |
| 3 | 47k | copy_ref:R_0402_1005Metric | R142, R174, R175 |
| 3 | 47uF | dowload:KCM55WR71H476MH13L | C126, C127, C128 |
| 3 | BAT54S | copy_ref:SOT-23-3 | D12, D18, D19 |
| 3 | LT3045xDD | Package_DFN_QFN:DFN-10-1EP_3x3mm_P0.5mm_EP1.65x2.38mm | U13, U22, U51 |
| 3 | RT9742VGJ5 | Package_TO_SOT_SMD:TSOT-23-5 | U27, U33, U55 |
| 3 | SMAJ15CA | dowload:DO-214AC | D13, D14, D26 |
| 3 | SZESD7410MXWT5G | dowload:2-XDFN | D8, D9, D23 |
| 2 | 100m | copy_ref:R_1206_3216Metric | R106, R107 |
| 2 | 110k | copy_ref:R_0402_1005Metric | R239, R242 |
| 2 | 12pF | copy_ref:C_0402_1005Metric | C29, C31 |
| 2 | 13.0k | copy_ref:R_0402_1005Metric | R112, R113 |
| 2 | 150k | copy_ref:R_0402_1005Metric | R240, R243 |
| 2 | 150m | copy_ref:R_1206_3216Metric | R89, R199 |
| 2 | 2.21k | copy_ref:R_0402_1005Metric | R93, R140 |
| 2 | 2.2k | copy_ref:R_0402_1005Metric | R73, R100 |
| 2 | 200k | copy_ref:R_0402_1005Metric | R90, R132 |
| 2 | 220 | copy_ref:R_0402_1005Metric | R76, R167 |
| 2 | 24.9k | copy_ref:R_0402_1005Metric | R18, R96 |
| 2 | 27pF | copy_ref:C_0402_1005Metric | C14, C16 |
| 2 | 3.01k | copy_ref:R_0402_1005Metric | R62, R134 |
| 2 | 3.09k | copy_ref:R_0402_1005Metric | R116, R117 |
| 2 | 33.2k | copy_ref:R_0402_1005Metric | R47, R71 |
| 2 | 330 | copy_ref:R_0402_1005Metric | R38, R39 |
| 2 | 3F | dowload:DSF305Q3R0 | C90, C91 |
| 2 | 4.75k | copy_ref:R_0402_1005Metric | R40, R41 |
| 2 | 47uF | copy_ref:C_1210_3225Metric | C71, C72 |
| 2 | 49.9k | copy_ref:R_0402_1005Metric | R214, R218 |
| 2 | 5.1k | copy_ref:R_0402_1005Metric | R64, R66 |
| 2 | 51 | copy_ref:R_0402_1005Metric | R165, R166 |
| 2 | 600 100MHz | copy_ref:L_0805_2012Metric | L8, L9 |
| 2 | 74LVC1G34 | dowload:74LVC1G34GW_125 | U53, U71 |
| 2 | 9.53k | copy_ref:R_0402_1005Metric | R114, R115 |
| 2 | AP3441SHE-7B | dowload:AP3441SHE-7B_DIO-M | U29, U38 |
| 2 | BZX84C12 | copy_ref:SOT-23-3 | D4, D25 |
| 2 | DF6A6.8FUT1G | Package_TO_SOT_SMD:SOT-363_SC-70-6 | D2, D3 |
| 2 | FDMQ8205A | copy_ref:IC_FDMQ8205A | U7, U8 |
The 531 most common of 648 parts.
Questions
How big is the Ntp server stm32 PCB?
It measures 138.2 × 101.3 mm and has 6 copper layers, 1.6 mm thick.
What parts does the Ntp server stm32 use?
648 parts, built around the 74LVC1G34Z, INA228AQDGSRQ1, AP3441SHE-7B and TPD4E05U06DQAR. 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 Ntp server stm32 KiCad files?
From the rcldesign/ntp-server-stm32 repository on GitHub, at the commit this page was made from: the board is hardware/ntp-server-stm32/ntp-server-stm32.kicad_pcb and its schematic hardware/ntp-server-stm32/3v3-main-power.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ntp server stm32 design in my own project?
Its repository states no licence, so its author keeps all rights: ask rcldesign before reusing the design.
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