# Micro-USB (Molex 47346) and Mini-USB (Lumberg 2486) receptacles

> What are the dimensions of a micro USB receptacle?

- Category: Electronics › Connectors
- Kind: Standard part
- Basis: KiCad 3D models of the Molex 47346-0001 micro-B and Lumberg 2486 01 mini-B (horizontal) receptacles
- Page: https://xemstudio.com/objects/micro-usb-mini-usb-receptacles/ · JSON: https://xemstudio.com/api/geometry?object=micro-usb-mini-usb-receptacles · Plain text: https://xemstudio.com/objects/micro-usb-mini-usb-receptacles/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- 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.

## Sizes

| 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 |

## Where the files are

- KiCad: [kicad-packages3D library (origin of these files)](https://gitlab.com/kicad/libraries/kicad-packages3D) — STEP, WRL — CC BY-SA 4.0 with KiCad exception

## Free STEP/STL (2 parts, CC BY-SA 4.0 (KiCad library license, with the KiCad exception), KiCad library contributors)

Index: https://xemstudio.com/files/kicad/micro-usb-mini-usb-receptacles/index.json · license: https://xemstudio.com/files/kicad/usb-rj45-microsd-connectors/LICENSE.md

- micro-b-molex-47346-0001: [STEP](https://xemstudio.com/files/kicad/usb-rj45-microsd-connectors/micro-b-molex-47346-0001.step) · [STL](https://xemstudio.com/files/kicad/usb-rj45-microsd-connectors/micro-b-molex-47346-0001.stl) — KiCad Connector_USB: USB_Micro-B_Molex_47346-0001; bbox 8.0 × 5.4 × 2.9 mm
- mini-b-lumberg-2486-01-horizontal: [STEP](https://xemstudio.com/files/kicad/usb-rj45-microsd-connectors/mini-b-lumberg-2486-01-horizontal.step) · [STL](https://xemstudio.com/files/kicad/usb-rj45-microsd-connectors/mini-b-lumberg-2486-01-horizontal.stl) — KiCad Connector_USB: USB_Mini-B_Lumberg_2486_01_Horizontal; bbox 9.9 × 9.2 × 5.0 mm

## How it fits

### Connects to
- [Panel cutouts: IEC inlet, rockers, barrel jack, USB-C, HDMI, LEDs, Neutrik D](https://xemstudio.com/objects/panel-cutouts/): the case opening around the receptacle

### Alternatives
- [USB-C receptacle (16/24-pin, mid-mount)](https://xemstudio.com/objects/usb-c-receptacle/): the newer USB connector

## Questions

**How big is a micro USB receptacle?**

The Molex 47346 model is 7.98 × 5.42 mm and 2.7 mm tall above the board, with a 6.85 × 1.8 mm opening.

**How big is a mini USB receptacle?**

The Lumberg 2486 model is 9.9 × 9.2 mm, 4.0 mm above the board, opening 7.7 × 3.0 mm.

## Fits with

- [USB-C receptacle (16/24-pin, mid-mount)](https://xemstudio.com/objects/usb-c-receptacle/)
- [RJ45 jack, Amphenol RJHSE-538X (shielded, with LEDs)](https://xemstudio.com/objects/rj45-jack/)
- [microSD push-push socket, Hirose DM3D-SF](https://xemstudio.com/objects/microsd-socket/)
- [DC barrel jacks CUI PJ-063AH / PJ-063BH (5.5 mm plug)](https://xemstudio.com/objects/dc-barrel-jack/)
- [Panel cutouts: IEC inlet, rockers, barrel jack, USB-C, HDMI, LEDs, Neutrik D](https://xemstudio.com/objects/panel-cutouts/)