B5743-204-M-T-1

Overview

The B5743-204-M-T-1 is a Datamate L-Tek male header connector manufactured by Harwin Inc. It features a 4-position, 2-row configuration with a 2 mm (0.079 in) pin spacing. Designed for through-hole mounting, the unit utilizes solder pin termination and gold-plated contacts. The component operates within a temperature range of -55°C to +125°C and is constructed from polyester reinforced with glass fiber insulation.

Feature Summary

• Datamate L-Tek series interconnect system
• Shrouded four-wall housing design
• Pin lock fastening mechanism
• Vertical board-to-board or cable style

Applications

• Industrial control systems
• Medical equipment
• Metering and measurement devices
• Electric vehicle electronics

Procurement Notes

Verify the specific suffix codes against official datasheets to confirm contact plating thickness and insulation material variations. Ensure compatibility with mating female sockets from the same Datamate L-Tek family. Confirm RoHS compliance status and REACH SVHC declarations prior to final integration into regulated assemblies.

Selection Notes

Select this component when a compact, high-density connection is required for low-current signal transmission. The vertical orientation and shrouded design provide mechanical stability and pin protection. Evaluate the 2 mm pitch against available PCB real estate constraints and ensure the through-hole footprint matches the target layout requirements.

Part Context

This part belongs to the Datamate L-Tek product line, which is engineered for harsh environments including aviation, defense, and space applications. The series emphasizes reliability under severe vibration and shock conditions. The B5743 prefix specifically denotes male headers within this ruggedized interconnect ecosystem.

Replacement Considerations

M80-8670422