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2 layersDS44, the printed circuit board in 3D
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
QtyValueFootprintReferences
22?Diode_THT:D_DO-35_SOD27_P12.70mm_HorizontalD101, D102, D103, D104, D108, D109, D110, D111, D115, D116, D117, D118, D119, D123, D124, D125 +6
125.1KResistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_HorizontalR14, R102, R105, R112, R115, R116, R119, R122, R123, R126, R129, R130
12?Package_TO_SOT_THT:TO-39-3Q6, Q101, Q102, Q103, Q104, Q105, Q106, Q107, Q108, Q109, Q110, Q111
12S1005Diode_THT:D_DO-35_SOD27_P12.70mm_HorizontalD105, D106, D107, D112, D113, D114, D120, D121, D122, D128, D129, D130
8330RResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR9, R104, R113, R114, R120, R121, R127, R128
8~component:DZ44 TransformerT101, T102, T103, T104, T105, T106, T107, T108
6?Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mmC4, C101, C102, C104, C105, C106
4100RResistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_HorizontalR108, R109, R110, R111
439KResistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_HorizontalR101, R106, R117, R124
46.8KResistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P15.24mm_HorizontalR103, R107, R118, R125
210uFCapacitor_THT:CP_Axial_L11.0mm_D8.0mm_P15.00mm_HorizontalC10, C103
1Conn_01x40Connector_PinHeader_2.54mm:PinHeader_1x40_P2.54mm_VerticalJ1

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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