LM886 amplifier
About the LM886 amplifier PCB
LM886 amplifier is an open source PCB design by SIdR4g, published on GitHub. It is a 2-layer board measuring 92.7 × 77.5 mm, with 20 components from 16 distinct parts.
Other key parts include the LM3886. By type, the board carries 7 capacitors, 6 connectors, 6 resistors and 1 IC.
It belongs with the audio designs in this gallery.
From the project
A collection of PCB designs, I built during the course of learning
Main components on the LM886 amplifier
LM886 amplifier bill of materials (BOM)
20 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM3886 | TO-220-11_P3.4x5.08mm_StaggerOdd_Lead4.85mm_Vertical | U1 |
| 1 | Input | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Output+ | PinHeader_1x2_P2.5mm_Drill1.1mm | J2 |
| 1 | Output- | PinHeader_1x2_P2.5mm_Drill1.1mm | J3 |
| 1 | V+ | PinHeader_1x2_P2.5mm_Drill1.1mm | J4 |
| 1 | GND | PinHeader_1x2_P2.5mm_Drill1.1mm | J5 |
| 1 | V- | PinHeader_1x2_P2.5mm_Drill1.1mm | J6 |
| 2 | 100uF | CP_Radial_D10.0mm_P2.50mm | C1, C2 |
| 1 | 0.1F/100V | C_Rect_L7.0mm_W2.0mm_P5.00mm | C3 |
| 2 | 2200uF | CP_Radial_D35.0mm_P10.00mm_SnapIn | C4, C5 |
| 2 | 0.1uF/100V | C_Rect_L7.0mm_W2.0mm_P5.00mm | C6, C7 |
| 1 | 1k | R_2010_5025Metric_Pad1.40x2.65mm_HandSolder | R1 |
| 2 | 22k | R_2010_5025Metric_Pad1.40x2.65mm_HandSolder | R2, R4 |
| 1 | 680 | R_2010_5025Metric_Pad1.40x2.65mm_HandSolder | R3 |
| 1 | 10k | R_2010_5025Metric_Pad1.40x2.65mm_HandSolder | R5 |
| 1 | 2.7/5W | R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R6 |
LM886 amplifier design files
The KiCad project lives in the SIdR4g/Kicad-Projects repository on GitHub; these links point at the commit this page was built from.
LM886 amplifier: common questions
How big is the LM886 amplifier PCB?
The LM886 amplifier measures 92.7 × 77.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LM886 amplifier?
20 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the LM886 amplifier design files?
From the SIdR4g/Kicad-Projects repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the LM886 amplifier design in my own project?
The repository has no license, so all rights stay with SIdR4g. Use it as a reference, and ask the author before reusing the design.
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