

EspSFDmains
- Size
- 100 × 72 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 47
- Nets
- 33
- Pads
- 145
- Tracks, vias
- 135, 25
- Pours
- 95
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 17 Jan 2024
- Updated
- 13 Apr 2026
Overview
EspSFDmains is an open-source printed circuit board by chrissileinus, from the chrissileinus/espSFD repository on GitHub. It is a 4-layer board of 100 × 72 mm with 47 parts on 33 nets, routed with 135 tracks and 25 vias.
It is built around the TSR 3-2433N, TSR 3-2450N and TPP 30-109-D, with the TXS0102DCT and CPC40055ST among its other parts. Its parts include 8 capacitors, 7 connectors, 4 ICs, 3 resistors and 2 inductors. It belongs with the ESP32 boards of this library.
Main components
5TSR 3-2433N
SIP-3P,14x7.6mm-40℃~+90℃ 1 10.2mm 1200uF 14mm 1mA 3.3V 3A 4.6V~36V 50mVp-p 7.6mm 850kHz 90% Plastic encapsulated type Short Circuit Protection、Over Current Protection、Under Voltage Protection、Automatic fault recovery Step-down type ±2% SIP-3P,14x7.6mm DC-DC Power Modules ROHSTRACO POWERDC-DC Power ModulesTSR 3-2450N
Throughhole-40℃~+90℃ 1 10.2mm 14mm 1mA 3A 50mVp-p 5V 6.5V~36V 7.6mm 820uF 850kHz 92% Plastic encapsulated type Short Circuit Protection、Over Current Protection、Under Voltage Protection、Automatic fault recovery Step-down type ±2% Throughhole DC-DC Power Modules ROHSTRACO POWERDC-DC Power ModulesTPP 30-109-D
DIP-5DIP-5 AC-DC Power Modules ROHSTRACO POWERAC-DC Power ModulesTXS0102DCT
SSOP82-Bit Bidirectionnal Voltage-Level Translator for Open-Drain and Push-Pull ApplicationsTexas InstrumentsUncategorisedCPC40055ST
SIP-4-40℃~+85℃ 0V~800V 1 Form A (SPST-NO) 1.2V 150A 1kV/us 2 50mA 5A 5mA 800V DC Yes Zero-crossing trigger、Built-in zero-crossing detection circuit SIP-4 Solid State Relays (Triac Output) ROHSLittelfuse/IXYSSolid State Relays (Triac Output)
README
README.mdESPHomeComponent
Parts
47| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 4.7µF 50V | Capacitor_SMD:C_0805_2012Metric | C1, C2, C8, C9 |
| 2 | 100nF/25V | Capacitor_SMD:C_0603_1608Metric | C4, C5 |
| 2 | 10µF 25V | Capacitor_SMD:C_0805_2012Metric | C3, C10 |
| 2 | 4,7µH 3A | Inductor_SMD:L_Sunlord_MWSA0402S | L1, L2 |
| 2 | 4K7 | Resistor_SMD:R_0603_1608Metric | R4, R5 |
| 2 | SFD Bus | Connector_IDC:IDC-Header_2x10_P2.54mm_Vertical | J8, J9 |
| 1 | 1A | Fuse:Fuseholder_TR5_Littelfuse_No560_No460 | F1 |
| 1 | 330R | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 6A | Fuse:Fuseholder_TR5_Littelfuse_No560_No460 | F2 |
| 1 | Board Interconn | Connector_PinSocket_1.27mm:PinSocket_2x09_P1.27mm_Horizontal | J2 |
| 1 | CPC40055ST | lib:CPC40055ST | S1 |
| 1 | D1 & D2 | Connector_Phoenix_MC:PhoenixContact_MCV_1,5_4-G-3.81_1x04_P3.81mm_Vertical | J10 |
| 1 | D3 & D4 | Connector_Phoenix_MC:PhoenixContact_MCV_1,5_4-G-3.81_1x04_P3.81mm_Vertical | J11 |
| 1 | ESP32-S3-ZERO | lib:ESP32-S3-ZERO | U3 |
| 1 | G*** | kibuzzard-6985EF62 | kibuzzard-6985EF62 |
| 1 | G*** | kibuzzard-69B3E389 | kibuzzard-69B3E389 |
| 1 | G*** | kibuzzard-69B3E36A | kibuzzard-69B3E36A |
| 1 | G*** | kibuzzard-69B3E36E | kibuzzard-69B3E36E |
| 1 | G*** | kibuzzard-699C2F02 | kibuzzard-699C2F02 |
| 1 | G*** | kibuzzard-699C2E52 | kibuzzard-699C2E52 |
| 1 | G*** | kibuzzard-69B3E365 | kibuzzard-69B3E365 |
| 1 | G*** | kibuzzard-6985EF5B | kibuzzard-6985EF5B |
| 1 | G*** | kibuzzard-69B3E350 | kibuzzard-69B3E350 |
| 1 | G*** | kibuzzard-69B3E384 | kibuzzard-69B3E384 |
| 1 | G*** | kibuzzard-69B3E2CA | kibuzzard-69B3E2CA |
| 1 | G*** | kibuzzard-69B3E357 | kibuzzard-69B3E357 |
| 1 | G*** | kibuzzard-69B3E37F | kibuzzard-69B3E37F |
| 1 | G*** | kibuzzard-699C2EF8 | kibuzzard-699C2EF8 |
| 1 | G*** | kibuzzard-699C2DF3 | kibuzzard-699C2DF3 |
| 1 | G*** | kibuzzard-699C2E08 | kibuzzard-699C2E08 |
| 1 | G*** | kibuzzard-69B3E2B0 | kibuzzard-69B3E2B0 |
| 1 | G*** | kibuzzard-69B3E379 | kibuzzard-69B3E379 |
| 1 | G*** | kibuzzard-69B3E35C | kibuzzard-69B3E35C |
| 1 | Mains | Connector_Phoenix_MSTB:PhoenixContact_MSTBVA_2,5_4-G-5,08_1x04_P5.08mm_Vertical | J1 |
| 1 | Motor | Connector_Phoenix_MC:PhoenixContact_MCV_1,5_4-G-3.81_1x04_P3.81mm_Vertical | J5 |
| 1 | TPP_30-109-D | lib:TPP_30-109-D | PS1 |
| 1 | TSR3-2433N | Converter_DCDC:Converter_DCDC_TRACO_TSR2-24xxN_TSR2-24xxxN_THT | U2 |
| 1 | TSR3-2450N | Converter_DCDC:Converter_DCDC_TRACO_TSR2-24xxN_TSR2-24xxxN_THT | U4 |
| 1 | TXS0102DCT | Package_SO:SSOP-8_2.95x2.8mm_P0.65mm | U1 |
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Questions
How big is the EspSFDmains PCB?
It measures 100 × 72 mm and has 4 copper layers, 1.6 mm thick.
What parts does the EspSFDmains use?
47 parts, built around the TSR 3-2433N, TSR 3-2450N, TPP 30-109-D and TXS0102DCT. 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 EspSFDmains KiCad files?
From the chrissileinus/espSFD repository on GitHub, at the commit this page was made from: the board is hardware/pcb/espSFDmains/espSFDmains.kicad_pcb and its schematic hardware/pcb/espSFD/espSFD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the EspSFDmains design in my own project?
Its repository states no licence, so its author keeps all rights: ask chrissileinus before reusing the design.