Housing for DC 5 way DC Splitter with EMI Filter

I found a 5-way DC splitter with built-in EMI filtering but couldn’t find a fitting case, so I made one.

The splitter takes a single DC input and distributes it to five DC outputs. The nice extra: each output has its own EMI filter. The housing is intentionally simple and needs no screws or additional hardware.

Similar model

• https://makerworld.com/en/models/1750572 (without EMI filter)

Board specs

• Input voltage: 5–48 V DC (up to 56 V only if onboard components are rated ≥63 V)
• Outputs: 5 parallel DC branches (input current = sum of output currents)
• Filtering: Per-channel EMI filter for noise reduction (not a regulator or protection device)
• Keywords: One to five 5V-56V power splitter EMI Anti interference improving circuit
• For 5.5 x 2.1 mm plugs

Dimensions

• Housing: 35 mm x 90 mm x 22 mm
• Lid: 35 mm x 90 mm x 5.8 mm

Assembly

• Slide in the single-input side first, gently.
• Then seat the five-output side.
• Align the two small locking tabs with the board’s screw holes, these snaps secure the board.
• Once the lid is on, the board is held firmly in place.

Printing

• I recommend PETG for a bit more flexibility.
• If you print in PLA, be extra careful on the 5-port side because forcing it can cause cracks.

Note

The 5-port face has a deliberately wide opening. On the samples I had, the DC jacks were mounted with inconsistent spacing and slight misalignment. A tighter cutout would not fit reliably. This larger opening isn’t as tidy, but it keeps the enclosure practical and compatible.