2 layers35 × 24.5 mm BufferedBypassModuleTHD, the printed circuit board in 3D

BufferedBypassModuleTHD

Size: 35 × 24.5 mm
Copper layers: 2
Thickness: 1 mm
Parts: 40
Nets: 27
Pads: 92
Tracks, vias: 199, 3
Pours: 114
Routed: Yes
KiCad: KiCad 9.0 (file 20241229)
Created: 5 Jul 2025
Updated: 11 May 2026

Overview

BufferedBypassModuleTHD is an open-source printed circuit board by kanengomibako, from the kanengomibako/Modules repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 35 × 24.5 mm with 40 parts on 27 nets, routed with 199 tracks and 3 vias.

It is built around the TL072 and TC4069UBP. Its parts include 13 resistors, 9 capacitors, 9 connectors, 3 diodes and 3 transistors.

Main components

README

10VBlocker/README.md

10V Blocker

10V以上の電圧が入力されると、電源供給を遮断するモジュールです。

配線方法

IN → 電源入力 +
上側中央のパッド → 電源入出力 -（グラウンド）
OUT → 電源出力 +

基板下側のパッドはどこにも接続されていません。マル信無線電機 DCジャック MJ-40Aに直付けする場合、電池の接続が可能です。

注意事項

新品の電池は電圧が10V以上の場合があり、本モジュールにより電源が遮断される可能性があります。
電源の遮断が不十分となる場合があるため、消費電流0.1mA未満の機器には使用しないでください。

資料

10V Blocker 製作に関する記事

主な仕様
最大入力電圧	30V
遮断電圧	10.0V ～ 10.3V
直列抵抗	0.04Ω
消費電流	0.7mA
最大出力電流	1A
必要出力電流	0.1mA以上
外形寸法	幅 12 mm × 奥行 10 mm × 高さ 2.5 mm
質量	約 0.4 g

Parts

Qty	Value	Footprint	References
6	1M	myFoot:my_R_P7mm_Horizontal	R2, R4, R5, R9, R10, R11
3	100k	myFoot:my_R_P7mm_Horizontal	R3, R7, R8
3	1N4148	myFoot:my_D_P5.08mm_Horizontal	D1, D2, D3
3	2SK2881-E	myFoot:my_TO-92S_Wide	Q1, Q2, Q3
3	GND	myFoot:my_WirePad_0-8mmDrill	J7, J8, J9
2	100n	myFoot:my_C_Disc_P2.50mm	C5, C8
2	10k	myFoot:my_R_P7mm_Horizontal	R12, R13
2	10u	myFoot:my_C_D5.0mm_P2.50mm	C2, C4
2	1k	myFoot:my_R_P7mm_Horizontal	R1, R6
2	47n	myFoot:my_C_Disc_P2.50mm	C6, C7
1	100u	myFoot:my_C_D5.0mm_P2.50mm	C9
1	1u	myFoot:my_C_D5.0mm_P2.50mm	C3
1	1u	myFoot:my_C_D5.0mm_P2.50mm_long	C10
1	IN	myFoot:my_WirePad_0-8mmDrill	J1
1	LED	myFoot:my_WirePad_0-8mmDrill	J5
1	OUT	myFoot:my_WirePad_0-8mmDrill	J4
1	RTN	myFoot:my_WirePad_0-8mmDrill	J3
1	SND	myFoot:my_WirePad_0-8mmDrill	J2
1	SW	Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical	SW1
1	TC4069UBP	Package_DIP:DIP-14_W7.62mm_Socket	U2
1	TL072	Package_DIP:DIP-8_W7.62mm_Socket	U1
1	VCC	myFoot:my_WirePad_0-8mmDrill	J6

Questions

How big is the BufferedBypassModuleTHD PCB?

It measures 35 × 24.5 mm and has 2 copper layers, 1 mm thick.

What parts does the BufferedBypassModuleTHD use?

40 parts, built around the TL072 and TC4069UBP. 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 BufferedBypassModuleTHD KiCad files?

From the kanengomibako/Modules repository on GitHub, at the commit this page was made from: the board is BufferedBypassModuleTHD/BufferedBypassModuleTHD.kicad_pcb and its schematic 10VBlocker/10VBlocker_RevB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the BufferedBypassModuleTHD design in my own project?

Its repository publishes it under the Unlicense licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/kanengomibako-modules-bufferedbypassmodulethd" title="BufferedBypassModuleTHD in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/kanengomibako-modules-bufferedbypassmodulethd.jpg" alt="BufferedBypassModuleTHD" width="1200" height="900">

A picture that opens the board, for a README

[![BufferedBypassModuleTHD](https://pcbkit.io/embed/boards/kanengomibako-modules-bufferedbypassmodulethd.jpg?size=s)](https://pcbkit.io/boards/kanengomibako-modules-bufferedbypassmodulethd)

Source

Repository: kanengomibako/Modules
Board file: BufferedBypassModuleTHD/BufferedBypassModuleTHD.kicad_pcb
Commit: 2e11668
Licence: Unlicense

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