

- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 95
- Nets
- 59
- Pads
- 256
- Tracks, vias
- 575, 28
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 27 Jul 2025
- Updated
- 16 Sep 2025
Overview
DS44 is an open-source printed circuit board by Nakazoto, from the Nakazoto/Data620 repository on GitHub. It is a 2-layer board with 95 parts on 59 nets, routed with 575 tracks and 28 vias.
Its parts include 34 diodes, 32 resistors, 12 transistors, 8 capacitors and 1 connector.
Parts
95| Qty | Value | Footprint | References |
|---|---|---|---|
| 22 | ? | Diode_THT:D_DO-35_SOD27_P12.70mm_Horizontal | D101, D102, D103, D104, D108, D109, D110, D111, D115, D116, D117, D118, D119, D123, D124, D125 +6 |
| 12 | 5.1K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R14, R102, R105, R112, R115, R116, R119, R122, R123, R126, R129, R130 |
| 12 | ? | Package_TO_SOT_THT:TO-39-3 | Q6, Q101, Q102, Q103, Q104, Q105, Q106, Q107, Q108, Q109, Q110, Q111 |
| 12 | S1005 | Diode_THT:D_DO-35_SOD27_P12.70mm_Horizontal | D105, D106, D107, D112, D113, D114, D120, D121, D122, D128, D129, D130 |
| 8 | 330R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9, R104, R113, R114, R120, R121, R127, R128 |
| 8 | ~ | component:DZ44 Transformer | T101, T102, T103, T104, T105, T106, T107, T108 |
| 6 | ? | Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm | C4, C101, C102, C104, C105, C106 |
| 4 | 100R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R108, R109, R110, R111 |
| 4 | 39K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R101, R106, R117, R124 |
| 4 | 6.8K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_Horizontal | R103, R107, R118, R125 |
| 2 | 10uF | Capacitor_THT:CP_Axial_L11.0mm_D8.0mm_P15.00mm_Horizontal | C10, C103 |
| 1 | Conn_01x40 | Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_Vertical | J1 |
Questions
What parts does the DS44 use?
95 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 DS44 KiCad files?
From the Nakazoto/Data620 repository on GitHub, at the commit this page was made from: the board is Schematics/Reverse Engineering/DS44/DS44.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the DS44 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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