How to Select LEMO B Series: Complete Guide

Selecting the right connector is critical for electronic equipment manufacturing. This guide helps Vinten (Videndum)'s engineering team evaluate LEMO B Series connectors.

LEMO B Series — Specifications Overview

• Contact Rating: Up to 68 contacts
• Termination: Solder, crimp, and PCB mount
• Mating Cycles: 500+ (signal), 50+ (power)
• Temperature: -55°C to +250°C
• Sealing: IP67/IP68 available

Shell Size Selection Guide

LEMO B Series comes in multiple shell sizes. For Vinten (Videndum)'s electronic equipment manufacturing, common sizes range from 0B (up to 6 contacts) to 2B (up to 56 contacts).

Contact Configuration Options

LEMO offers straight and angled configurations with signal, power, coaxial, and fiber optic contacts. Hybrid configurations can reduce the number of connector interfaces in your design.

Environmental & Compliance

• Sealing: IP67/IP68 for moisture and dust protection
• Vibration: Push-pull self-latching provides excellent retention
• EMI Shielding: Metal shell variants for sensitive circuits
• Materials: Brass/stainless steel shells, PEEK insulators

Assembly Best Practices

1. Follow LEMO's recommended soldering profiles
2. Use appropriate strain relief for cable assemblies
3. Implement visual inspection after termination
4. Perform electrical testing (continuity, insulation resistance)

Alternative: LEMO 2B Series

For different form factors, LEMO 2B Series connectors offer Up to 56 contacts, smaller shell sizes than standard B series, lightweight design. Compact push-pull connectors with reduced footprint for space-constrained designs.

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