

Design files TM
ETL thermal mockup of a module
- Size
- 44.1 × 57.5 mm
- Copper layers
- 4
- Thickness
- 1.2 mm
- Parts
- 84
- Nets
- 90
- Pads
- 250
- Tracks, vias
- 770, 131
- Pours
- 371
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 18 Mar 2024
- Updated
- 26 Jun 2026
Overview
Design files TM is an open-source printed circuit board by bu-gsLab, from the bu-gsLab/module_thermal_mockup repository on GitHub. It is a 4-layer board of 44.1 × 57.5 mm with 84 parts on 90 nets, routed with 770 tracks and 131 vias.
Its parts include 13 resistors, 8 ICs, 7 capacitors, 1 connector and 1 crystal.
README
README.mdDescription
Project Structure
.
├── README.md
├── control-board
│ ├── fimware_CB
│ ├── hardware
│ └── software_CB
├── database
│ └── ...
├── module_pcb_thermal_mockup
│ ├── firmware_TM
│ ├── hardware
│ └── software_TM
├── other
│ ├── README.md
│ └── TMP121-test
└── ssh_tunnel.pngParts
84| Qty | Value | Footprint | References |
|---|---|---|---|
| 48 | TestPoint | TestPoint:TestPoint_Pad_1.0x1.0mm | 5V, E1, E2, E3, E4, GND, L1, L2, L3, L4, T1:1, T1:2, T1:3, T1:4, T1:5, T1:6 +32 |
| 8 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5, R6, R7, R8, R9, R10, R11, R12 |
| 4 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C6, C7, C8 |
| 4 | ETROC_bumpbond_dummy | ETL:ETROC2_bumpbonds | U1, U2, U3, U4 |
| 3 | TMP121 | Package_TO_SOT_SMD:SOT-23-6 | U7, U8, U9 |
| 2 | 12.6 | unl_silab:ETROC_Heater_Serpantine | R1, R2 |
| 2 | 33pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C5 |
| 2 | 40k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 1 | 1M | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14 |
| 1 | 32kHz | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | AD77x8 | Package_SO:SOIC-28W_7.5x18.7mm_P1.27mm | U5 |
| 1 | Conn_02x06_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical_SMD | J1 |
The 78 most common of 84 parts.
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Questions
How big is the Design files TM PCB?
It measures 44.1 × 57.5 mm and has 4 copper layers, 1.2 mm thick.
What parts does the Design files TM use?
84 parts. 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 Design files TM KiCad files?
From the bu-gsLab/module_thermal_mockup repository on GitHub, at the commit this page was made from: the board is module_pcb_thermal_mockup/hardware/design-files_TM/design-files_TM.kicad_pcb and its schematic bumpbonds_mockup/hardware/design-files_BM/design-files_BM.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Design files TM design in my own project?
Its repository states no licence, so its author keeps all rights: ask bu-gsLab before reusing the design.