2 layers146.6 × 113.5 mm
2 layers47.6 × 46.3 mm
Ground Powering Unit
UMSATS/Ground-Powering-UnitThis is a repository to collaborate on the ground powering unit PCB for the UMSATS rocket.
- Size
- 47.6 × 46.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 7
- Pads
- 26
- Tracks, vias
- 30, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 16 Oct 2026
- Updated
- 3 Nov 2026
Overview
Ground Powering Unit is an open-source printed circuit board by UMSATS, from the UMSATS/Ground-Powering-Unit repository on GitHub. It is a 2-layer board of 47.6 × 46.3 mm with 15 parts on 7 nets, routed with 30 tracks and 0 vias.
It is built around the MBR745. Its parts include 5 capacitors, 4 connectors, 2 diodes and 1 IC.
Main components
1README
README.mdGround-Powering-Unit
This is a repository to collaborate on the ground powering unit PCB for the UMSATS rocket.
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10uF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C3, C4, C5 |
| 3 | Conn_01x02_Pin | Connector_JST:JST_XH_S2B-XH-A-1_1x02_P2.50mm_Horizontal | J2, J3, J4 |
| 2 | MBR745 | Package_TO_SOT_THT:TO-220-2_Vertical | D2, D3 |
| 1 | 2200970271 | Molex 2pos conn foot:CONN_2200970000-SD_02_MOL | J1 |
| 1 | 470uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C2 |
| 1 | G*** | kibuzzard-6ACEBE00 | kibuzzard-6ACEBE00 |
| 1 | G*** | kibuzzard-6ACEBDE9 | kibuzzard-6ACEBDE9 |
| 1 | G*** | kibuzzard-6ACEBE29 | kibuzzard-6ACEBE29 |
| 1 | LF90_TO220 | Package_TO_SOT_THT:TO-220-3_Vertical | U2 |
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Questions
How big is the Ground Powering Unit PCB?
It measures 47.6 × 46.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ground Powering Unit use?
15 parts, built around the MBR745. 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 Ground Powering Unit KiCad files?
From the UMSATS/Ground-Powering-Unit repository on GitHub, at the commit this page was made from: the board is Ground-Powering-Unit.kicad_pcb and its schematic Ground-Powering-Unit.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ground Powering Unit design in my own project?
Its repository states no licence, so its author keeps all rights: ask UMSATS before reusing the design.