Neutrik NC3MBH-1 XLR Connector Specifications

This document provides technical details and dimensional information for the Neutrik NC3MBH-1 XLR connector.

General Information

Brand: Neutrik

Model: NC3MBH-1

Product Type: XLR Connector

Dimensions and Layout

The following diagrams and measurements detail the physical characteristics of the NC3MBH-1 connector for panel mounting and PCB layout.

Panel Cut Out (Rear Side)

Overall Dimensions: 25 mm [0.984 in] width, 25 mm [0.984 in] height.

Mounting Hole Diameter: 2.1 ± 0.05 mm [0.083 ± 0.001 in]

Panel Thickness Compatibility: Up to 3.6 ± 0.2 mm [0.142 ± 0.007 in]

Minimum Assembly Distance: Not specified, but general layout tolerances apply.

PCB Layout (Component Side)

Layout Tolerance: ±0.05 mm [0.002 in]

Mounting Hole Pattern:

Four holes with diameter Ø1.6 mm [0.063 in] for mounting.
Specific pin positions indicated by numbers 1, 2, 3, and 1+G.
Distances between mounting holes and pin positions are detailed in the diagrams. Key dimensions include:

3.81 mm [0.15 in] spacing for mounting holes.
19.8 ± 0.1 mm [0.78 ± 0.003 in] for critical component placement.
8.89 mm [0.35 in] and 17.78 mm [0.7 in] vertical spacing for mounting points.
A central hole with diameter >= Ø22 mm [0.866 in] is indicated for the connector body.
A smaller hole of Ø3.2 mm [0.126 in] is also shown in relation to the mounting pattern.

Connector Body Dimensions

Width: 19 mm [0.748 in]

Depth (from panel): 2.7 mm [0.106 in]

Overall Depth (including contacts): Approximately 19.8 mm [0.78 in]

Diagram Descriptions

The provided images illustrate:

The front and rear views of the Neutrik connector.
The panel cut-out dimensions required for installation.
The PCB layout, showing component placement and mounting hole configurations.
Side views detailing the connector's profile and how it interfaces with a panel.
A comparison of two connectors placed side-by-side, showing a total width of 23 mm [0.906 in].

Technical Details Summary

Feature	Dimension (mm)	Dimension (inches)
Panel Cutout Width	25	0.984
Panel Cutout Height	25	0.984
Mounting Hole Diameter	2.1 ± 0.05	0.083 ± 0.001
PCB Mounting Hole Diameter	Ø1.6	0.063
Connector Width	19	0.748
Connector Depth (from panel)	2.7	0.106
Critical PCB Dimension	19.8 ± 0.1	0.78 ± 0.003
Layout Tolerance	±0.05	0.002

Document Information

Scale: 1:1, 3:1

Format: A3

General Tolerancing: ISO 2768 mK

Created: 10.08.2015 by P. Karlinger

Approved: 30.07.2025 by T. Schmiedl

Article ID: NC3MBH-1

Revision: -

Model ID: NC3MBH-1

Drawing ID: 20002969

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