Heater shunt
About the Heater shunt PCB
Heater shunt is an open source PCB design by Alex2269, published on GitHub. It is a 2-layer board measuring 23 × 17.2 mm, with 17 components from 8 distinct parts.
Other key parts include the IR4427, MCP602 and L78L33_SOT89. By type, the board carries 10 resistors, 3 ICs, 2 capacitors, 1 transistor and 1 connector.
Main components on the Heater shunt
Heater shunt bill of materials (BOM)
17 components, 8 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | IR4427 | SO-8_5.3x6.2mm_P1.27mm | U1 |
| 1 | MCP602 | SO-8_5.3x6.2mm_P1.27mm | U2 |
| 1 | L78L33_SOT89 | SOT-89-3 | U3 |
| 1 | Q_NMOS_GDS | TO-252-2 | Q1 |
| 1 | Conn_01x05 | PinHeader_1x05_P2.54mm_Vertical | J1 |
| 2 | C_Small | R_1206_3216Metric | C1, C2 |
| 9 | R | R_1206_3216Metric | R1, R2, R3, R5, R6, R7, R8, R9 +1 |
| 1 | R | R_2512_6332Metric | R4 |
Heater shunt design files
The KiCad project lives in the Alex2269/stm32_tft_spi repository on GitHub; these links point at the commit this page was built from.
Heater shunt: common questions
How big is the Heater shunt PCB?
The Heater shunt measures 23 × 17.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Heater shunt?
17 components, from 8 distinct parts. The full bill of materials is listed on this page.
Where can I download the Heater shunt design files?
From the Alex2269/stm32_tft_spi repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Heater shunt design in my own project?
The repository has no license, so all rights stay with Alex2269. Use it as a reference, and ask the author before reusing the design.
