Connector Knowledge & Technical Articles

Expert insights, guides, and engineering resources to help you design reliable connections for any application.

DC Jack Selection Guide: Barrel Sizes, Polarity and Current Rating

Barrel jack sizes, the 2.1 versus 2.5 mm trap, centre polarity conventions, switching contacts, and when USB-C PD is the better answer.

Telecom coaxial and optical cable connectors with a cellular tower in the background.

Connector Basics

Telecom Connector Selection: RF, Fiber, Data and Power

Choose telecom connectors by RF performance, fiber interface, signal integrity, power loading and outdoor installation requirements.

September 21, 20264 min read

Two connector sample sets arranged for engineering comparison.

Connector Basics

Connector Second Sourcing: How to Qualify Alternatives

Build a connector second-source plan with interface checks, electrical validation, production trials and clear approval controls for alternative parts.

September 18, 20264 min read

Legacy and modern connector samples beside organized inventory trays.

Connector Basics

Connector Obsolescence: Last-Time-Buy Planning Guide

Plan connector last-time buys with net demand, stock checks, storage controls and a qualified replacement strategy to reduce production disruption.

September 17, 20264 min read

High-density board connectors on a server backplane in a data center.

Connector Basics

Server Backplane Connectors: A Practical Selection Guide

Select server backplane connectors by interface, channel performance, power, mechanical tolerances and validation requirements for reliable integration.

September 16, 20264 min read