F3 backplane
About the F3 backplane PCB
F3 backplane is an open source PCB design by arnarg, published on GitHub under the SHL-2.1 license. It is a 4-layer board measuring 95.8 × 82.4 mm, with 45 components from 12 distinct parts.
Other key parts include the NCP45521. By type, the board carries 32 capacitors, 4 ICs, 4 connectors, 4 resistors and 1 transistor.
From the project
Backplane PCB for Terramaster F2-221, adding NVMe SSD
This is a custom backplane PCB for Terramaster F2-221, which adds a socket for an NVMe SSD for booting an operating system from.
Blog post about creating this: https://codedbearder.com/posts/f3-backplane/
The gerber zip file can be found under fab/v1.0/f3backplane.zip and is generated for JLCPCB. When ordering the PCB make sure to select impedance controlled stackup JLC04161H-7628***.
Main components on the F3 backplane
F3 backplane bill of materials (BOM)
45 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | NCP45521 | NCP45521 | U1, U2, U3, U4 |
| 1 | MMBT3904 | SOT-23 | Q1 |
| 1 | PCIEx4_HOST | PCIEx4_HOST | J1 |
| 1 | Bus_M.2_Socket_M | Amphenol_MDT420M01001 | J2 |
| 2 | SATA_Backplane | Molex_0877011001 | J3, J4 |
| 2 | 47u | C_0805_2012Metric | C1, C2 |
| 1 | 22u | C_0805_2012Metric | C3 |
| 2 | 100n | C_0603_1608Metric | C4, C5 |
| 15 | 100nF | C_0603_1608Metric | C6, C11, C14, C15, C17, C20, C21, C22 +7 |
| 4 | 10uF | C_0805_2012Metric | C10, C16, C30, C36 |
| 8 | 22uF | C_0805_2012Metric | C12, C13, C18, C19, C32, C33, C38, C39 |
| 4 | 2R2 | R_2512_6332Metric | R1, R2, R3, R4 |
F3 backplane design files
The KiCad project lives in the arnarg/f3_backplane repository on GitHub; these links point at the commit this page was built from.
- Layoutf3_backplane.kicad_pcb
- Schematicf3_backplane.kicad_sch
F3 backplane: common questions
How big is the F3 backplane PCB?
The F3 backplane measures 95.8 × 82.4 mm, has 4 copper layers and is 1.6062 mm thick.
How many components are on the F3 backplane?
45 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the F3 backplane design files?
From the arnarg/f3_backplane repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the F3 backplane design in my own project?
It is published under SHL-2.1, which limits how it may be reused; read the license before building on it.