E100a
About the E100a PCB
E100a is an open source PCB design by kitspace-forks, published on GitHub. It is a 2-layer board measuring 100 × 75 mm, with 127 components from 49 distinct parts.
By type, the board carries 56 resistors, 24 transistors, 12 diodes, 12 capacitors, 7 connectors and 4 test points.
From the project
E100A All-Discrete Power Supply Kit ==================================
E100A All-Discrete Power Supply Kit ==================================
Work in progress. This will be a semi-educational kit for a bench power supply made from all discrete components.
E100a bill of materials (BOM)
127 components, 49 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | BC856 | SOT-23 | Q1, Q4, Q13, Q15, Q17 |
| 6 | MMBT3904 | SOT-23 | Q2, Q9, Q11, Q16, Q18, Q20 |
| 2 | PZT2222A | SOT-223 | Q3, Q22 |
| 5 | PMP4201Y | SC-70-6 | Q5, Q8, Q10, Q12, Q23 |
| 2 | MMBT3906 | SOT-23 | Q6, Q7 |
| 3 | MMBT2907A | SOT-23 | Q14, Q19, Q24 |
| 1 | TIP105 | CONN_3-SIL | Q21 |
| 1 | T1A | TEST | J1 |
| 1 | T1B | TEST | J2 |
| 1 | T1C | TEST | J3 |
| 1 | OUT+ | TEST | J4 |
| 1 | SENSE | CONN_2-SIL | J5 |
| 1 | METER | CONN_4-SIL | J6 |
| 1 | OUT- | TEST | J7 |
| 1 | HOT | CONN_2-SIL | DS1 |
| 1 | LIM | CONN_2-SIL | DS2 |
| 1 | POWER | CONN_2-SIL | DS3 |
| 1 | 6v2 | SOT-23 | DZ1 |
| 1 | 3v0 | SOT-23 | DZ2 |
| 1 | SMCJ30A-E3/9AT | DIOM7959X265 | DZ3 |
Show 29 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 10k | CONN_3-SIL | RV1 |
| 2 | 10k | TRIM-R-BOURNS-TC33X-2 | RV2, RV4 |
| 1 | 1k | CONN_3-SIL | RV3 |
| 2 | * | TRIM-R-BOURNS-TC33X-2 | RV5, RV6 |
| 4 | GND | TEST_SMD | TP1, TP2, TP3, TP4 |
| 10 | S1D | DIOM5326X292 | D1, D2, D3, D4, D5, D6, D7, D8 +2 |
| 2 | MMBD4148 | SOT-23 | D9, D10 |
| 4 | 1n | CAPC2012X70 | C1, C3, C11, C12 |
| 1 | 1000u 63V | C-ALUM-16mm | C2 |
| 3 | 47u 63V | C-ALUM-6.3mm | C4, C5, C9 |
| 3 | 4u7 | CAPC3216X70 | C6, C7, C8 |
| 1 | 1nF 1kV | CAPC3216X70 | C10 |
| 10 | 22k | RESC2012X50 | R1, R3, R4, R6, R16, R17, R34, R36 +2 |
| 4 | 33 | RESC2012X50 | R2, R13, R14, R38 |
| 1 | 30k | RESC2012X50 | R5 |
| 11 | 1k | RESC2012X50 | R7, R9, R24, R30, R32, R33, R35, R43 +3 |
| 9 | 10k | RESC2012X50 | R8, R10, R25, R26, R27, R28, R31, R41 +1 |
| 2 | 470 | RESC2012X50 | R11, R12 |
| 2 | 100k | RESC2012X50 | R15, R40 |
| 2 | 22k 0.5% | RESC2012X50 | R18, R19 |
| 2 | 2k | RESC2012X50 | R20, R42 |
| 1 | NTC | CONN_2-SIL | R22 |
| 2 | 100 | RESC2012X50 | R23, R29 |
| 2 | 10k QW | RESC3216X60 | R37, R55 |
| 1 | * 1/2W | RESC3225X60 | R47 |
| 1 | 1Meg | RESC3216X60 | R48 |
| 2 | * 0.5% | RESC2012X50 | R49, R50 |
| 2 | * | RESC2012X50 | R51, R54 |
| 2 | 270 | RESC2012X50 | R52, R53 |
E100a design files
The KiCad project lives in the kitspace-forks/e100a repository on GitHub; these links point at the commit this page was built from.
- LayoutProj-Main/psu.kicad_pcb
E100a: common questions
How big is the E100a PCB?
The E100a measures 100 × 75 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the E100a?
127 components, from 49 distinct parts. The full bill of materials is listed on this page.
Where can I download the E100a design files?
From the kitspace-forks/e100a repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the E100a design in my own project?
The repository has no license, so all rights stay with kitspace-forks. Use it as a reference, and ask the author before reusing the design.