SDC
About the SDC PCB
SDC is an open source PCB design by MADHURAMAN-afk, published on GitHub. It is a 2-layer board measuring 114.2 × 100.2 mm, with 63 components from 35 distinct parts.
Other key parts include the LM358AN_OBSOLETE, NE555D, 4N35 and 74AHC1G04. By type, the board carries 30 resistors, 8 transistors, 6 diodes, 4 ICs, 4 connectors and 4 jumpers.
Main components on the SDC
SDC bill of materials (BOM)
63 components, 35 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM358AN_OBSOLETE 4N25 | DIP-6_W7.62mm | U1 |
| 1 | NE555D 4N25 | DIP-6_W7.62mm | U2 |
| 1 | 4N35 4N25 | DIP-6_W7.62mm | U3 |
| 1 | 74AHC1G04 4N25 | DIP-6_W7.62mm | U4 |
| 1 | 2N3904 NPN | TO-92L_Inline_Wide | Q1 |
| 2 | 2N3904 NPN | TO-92_Inline_Wide | Q2, Q6 |
| 3 | NPN | TO-92_Inline_Wide | Q3, Q4, Q8 |
| 2 | IRLZ44N NPN | TO-92_Inline_Wide | Q5, Q7 |
| 1 | CONN_01X02_PIN Conn_01x02_Pin | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | CONN_01X02_PIN Conn_01x04_Pin | PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | Conn_01x05_Pin | PinHeader_1x05_P2.54mm_Vertical | J3 |
| 1 | CONN_01X02_PIN Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | 25 V 500mA | Fuse_BelFuse_0ZRE0008FF_L8.3mm_W3.8mm | F1 |
| 4 | Jumper_2_Open | PinHeader_1x02_P2.54mm_Vertical | JP1, JP2, JP3, JP5 |
| 3 | Relay_DPDT | Relay_DPDT_Finder_40.52 | K1, K2, K3 |
| 1 | SRD-12VDC-SL-C Relay_DPDT | Relay_DPDT_Finder_40.52 | K4 |
| 3 | 1N4148WT D | D_A-405_P7.62mm_Horizontal | D1, D2, D3 |
| 1 | D | D_A-405_P7.62mm_Horizontal | D4 |
| 2 | LED | LED_D4.0mm | D5, D6 |
| 1 | 10NF C_Polarized | CP_Radial_D12.5mm_P7.50mm | C1 |
Show 15 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 10UF C_Polarized | CP_Radial_D12.5mm_P7.50mm | C2 |
| 2 | 10K 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R30 |
| 7 | 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R6, R7, R16, R21, R27, R28 |
| 1 | 272K 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 7 | 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R5, R11, R17, R18, R26, R29 |
| 1 | 22K 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R8 |
| 2 | 220K 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R9, R20 |
| 1 | 330K 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R10 |
| 3 | 12K 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R12, R19, R25 |
| 1 | 47K 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R13 |
| 1 | 470K 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R14 |
| 1 | 20K 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R15 |
| 1 | 47K 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R22 |
| 1 | 20K 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R23 |
| 1 | 220 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R24 |
SDC design files
The KiCad project lives in the MADHURAMAN-afk/FSAE-TEAM-URJA-25-LV-circuits-and-documents repository on GitHub; these links point at the commit this page was built from.
SDC: common questions
How big is the SDC PCB?
The SDC measures 114.2 × 100.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SDC?
63 components, from 35 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the SDC design files?
From the MADHURAMAN-afk/FSAE-TEAM-URJA-25-LV-circuits-and-documents repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the SDC design in my own project?
The repository has no license, so all rights stay with MADHURAMAN-afk. Use it as a reference, and ask the author before reusing the design.
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