Polarizing coil driver
About the Polarizing coil driver PCB
Polarizing coil driver is an open source PCB design by marekpechal, published on GitHub. It is a 2-layer board measuring 68 × 40 mm, with 27 components from 17 distinct parts.
Other key parts include the TL331, SFH617A-3X017T and L78L09_SOT89. By type, the board carries 9 resistors, 4 transistors, 4 connectors, 4 capacitors, 3 ICs and 3 diodes.
Main components on the Polarizing coil driver
Polarizing coil driver bill of materials (BOM)
27 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL331 | SOT-23-5 | U2 |
| 1 | SFH617A-3X017T | SMDIP-4_W9.53mm_Clearance8mm | U3 |
| 1 | L78L09_SOT89 | SOT-89-3 | U4 |
| 2 | BSS84 | SOT-23 | Q1, Q2 |
| 1 | 2N7002 | SOT-23 | Q3 |
| 1 | SIR638ADP-T1-RE3 | SI7469ADP-T1-RE3_VIS | Q4 |
| 1 | CONN_01X02 Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 3 | CONN_01X06_SOCKET Conn_01x06_Socket | PinHeader_1x06_P2.54mm_Vertical | J2, J3, J4 |
| 1 | GREEN LED | LED_0805_2012Metric | D1 |
| 1 | RED LED | LED_0805_2012Metric | D2 |
| 1 | PMEG045T150EIPD | Nexperia_CFP15_SOT-1289 | D3 |
| 1 | 330n 25V X7R | C_1206_3216Metric | C1 |
| 2 | 100n 25V X7R | C_0805_2012Metric | C2, C3 |
| 1 | 10u 50V X5R | C_1206_3216Metric | C4 |
| 7 | 10k 125mW 1% | R_0805_2012Metric | R1, R3, R4, R5, R6, R7, R8 |
| 1 | 4k7 125mW 5% | R_0805_2012Metric | R2 |
| 1 | 560R 125mW 0.1% | R_0805_2012Metric | R9 |
Polarizing coil driver design files
The KiCad project lives in the marekpechal/projects-efnmr repository on GitHub; these links point at the commit this page was built from.
Polarizing coil driver: common questions
How big is the Polarizing coil driver PCB?
The Polarizing coil driver measures 68 × 40 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Polarizing coil driver?
27 components, from 17 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 Polarizing coil driver design files?
From the marekpechal/projects-efnmr 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 Polarizing coil driver design in my own project?
The repository has no license, so all rights stay with marekpechal. Use it as a reference, and ask the author before reusing the design.
