DFRobot
Power Filter Board for Raspberry Pi 3B+/ 4B
This power filter board for Raspberry Pi integrates solid capacitors, ceramic capacitors, and tantalum capacitors in a parallel hybrid filtering configuratio...
This power filter board for Raspberry Pi integrates solid capacitors, ceramic capacitors, and tantalum capacitors in a parallel hybrid filtering configuration. It filters low, mid, and high-frequency power noise from your supply, delivering cleaner power to the entire system — particularly beneficial for audio projects where sound quality matters.
The board plugs directly onto the Raspberry Pi GPIO header and includes a DC power input to supply power to both the filter board and the Pi. When paired with a DAC audio decoder board, it helps turn your Raspberry Pi into a high-quality stereo system. It also provides effective power protection to help extend the service life of your Pi.
Key Features
- Hybrid Capacitor Filtering – Solid, ceramic, and tantalum capacitors in parallel for full-spectrum noise reduction
- 5,526 µF Total Capacitance – Substantial onboard filtering capacity
- GPIO Direct Connection – Plugs straight onto the Raspberry Pi header
- DC Power Input – 5V/3A input powers the Pi and connected modules
- Board Protection – Helps protect your Raspberry Pi from power supply noise
Specifications
- Compatible Models – Raspberry Pi 3B+ / 4B
- Onboard Capacitance – 5,526 µF
- Capacitor Configuration – Parallel
- Power Input – 5V / 3A
- Dimensions – 56 × 65 mm (2.20" × 2.56")
Ideal For
- Raspberry Pi audio and Hi-Fi projects
- DAC and audio decoder setups
- Any Pi project requiring clean, stable power
Package Contents
- 1× Raspberry Pi Power Filter Board
- 4× Copper standoff, screw, and nut sets
Jargon buster
Plain-language definitions for the technical terms used above.
- DAC
- A digital-to-analogue converter turns numbers from the microcontroller into a real analogue voltage. It matters if you want to generate simple waveforms, audio-style signals, or variable control voltages rather than just on/off outputs.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
Find this product in
Power & Batteries
Supplier page — dfrobot.com
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