2 layers105.8 × 128.5 mm
2 layers
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 84
- Nets
- 62
- Pads
- 242
- Tracks, vias
- 571, 43
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 27 Jul 2025
- Updated
- 16 Sep 2025
Overview
SA44 is an open-source printed circuit board by Nakazoto, from the Nakazoto/Data620 repository on GitHub. It is a 2-layer board with 84 parts on 62 nets, routed with 571 tracks and 43 vias.
Its parts include 40 resistors, 16 transistors, 11 capacitors, 8 diodes and 4 ICs.
Parts
84| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | ? | Package_TO_SOT_THT:TO-39-3 | Q101, Q102, Q103, Q104, Q105, Q106, Q107, Q108, Q109, Q110, Q111, Q112, Q113, Q114, Q115, Q116 |
| 8 | 100R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R109, R110, R111, R118, R121, R128, R131, R138 |
| 8 | 2.1K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R106, R107, R114, R117, R124, R127, R134, R137 |
| 8 | 681R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R102, R103, R112, R119, R122, R129, R132, R139 |
| 8 | ? | Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm | C4, C101, C103, C104, C105, C106, C107, C108 |
| 4 | 10K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R101, R120, R130, R140 |
| 4 | 33.2R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R108, R115, R125, R135 |
| 4 | 3K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R104, R116, R126, R136 |
| 4 | 500R | Potentiometer_THT:Potentiometer_Bourns_3339H_Vertical | RV101, RV102, RV103, RV104 |
| 4 | 6.81K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R105, R113, R123, R133 |
| 4 | ? | Diode_THT:D_DO-35_SOD27_P12.70mm_Horizontal | D101, D103, D105, D107 |
| 4 | S1005 | Diode_THT:D_DO-35_SOD27_P12.70mm_Horizontal | D102, D104, D106, D108 |
| 4 | ~ | Package_TO_SOT_THT:TO-39-6 | U101, U102, U103, U104 |
| 3 | 10uF | Capacitor_THT:CP_Axial_L11.0mm_D8.0mm_P15.00mm_Horizontal | C10, C102, C109 |
| 1 | Conn_01x40 | Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_Vertical | J1 |
Questions
What parts does the SA44 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 SA44 KiCad files?
From the Nakazoto/Data620 repository on GitHub, at the commit this page was made from: the board is Schematics/Reverse Engineering/SA44/SA44.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SA44 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Nakazoto before reusing the design.
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