Micro-USB (Molex 47346) and Mini-USB (Lumberg 2486) receptacles — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/micro-usb-mini-usb-receptacles/  (CC BY 4.0)
Basis: KiCad 3D models of the Molex 47346-0001 micro-B and Lumberg 2486 01 mini-B (horizontal) receptacles
Catalog version: 2026-10-20

Sizes: see table below
- Micro-B (Molex 47346-0001): the model's envelope is 7.98 × 5.42 mm and 2.7 mm above the board (2.94 including 0.24 below); the plug opening is 6.85 × 1.8 mm.
- Mini-B (Lumberg 2486 01, horizontal): envelope 9.9 × 9.2 mm, 4.0 mm above the board (5.0 including the 1.0 mm pegs below); opening 7.7 × 3.0 mm.
- The model comes from the KiCad 3D library (kicad-packages3D), licensed CC BY-SA 4.0 with the KiCad exception, and is rehosted unmodified (STL converted from the STEP) with the library's LICENSE.md and CREDITS.md beside the files; using it in your own design does not make your design share-alike.

part  bbox_l_mm  bbox_w_mm  bbox_h_mm  above_board_mm
micro-b-molex-47346-0001  7.98  5.42  2.94  2.7
mini-b-lumberg-2486-01-horizontal  9.9  9.2  5.0  4.0

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- KiCad: kicad-packages3D library (origin of these files) — STEP, WRL — CC BY-SA 4.0 with KiCad exception — https://gitlab.com/kicad/libraries/kicad-packages3D

Free files (CC BY-SA 4.0 (KiCad library license, with the KiCad exception), KiCad library contributors; STEP + STL, 2 parts): https://xemstudio.com/files/kicad/micro-usb-mini-usb-receptacles/index.json
API: https://xemstudio.com/api/geometry?object=micro-usb-mini-usb-receptacles