B5743-104-M-L-1

Overview

The B5743-104-M-L-1 is a Datamate L-Tek male plug connector manufactured by Harwin Inc. It features a single-row, right-angle (horizontal) configuration with four positions and a 2.00mm pitch. Designed for through-board mounting, it utilizes 3.00mm PCB termination length. The connector incorporates locking latches requiring tooling for engagement. Contact finishes include selective gold on the mating interface and tin/lead on the posts. It operates within a temperature range of -55°C to +125°C and carries UL94 V-0 flammability ratings.

Feature Summary

• Single-row horizontal orientation for space-constrained board-to-board connections
• Integrated locking latches ensure secure mechanical retention during operation
• Selective gold plating provides reliable electrical contact performance
• Through-board termination style supports standard PCB assembly processes

Applications

• Board-to-board interconnects in compact electronic assemblies
• Industrial control systems requiring secure latching mechanisms
• Test equipment interfaces needing robust horizontal connection points

Procurement Notes

Verify the specific suffix codes against official Harwin documentation to confirm pin count, row configuration, and termination type. Ensure compatibility with required tooling for latch engagement. Check current component status as product lines may undergo revisions or obsolescence notices. Confirm environmental compliance requirements match project specifications before finalizing procurement orders.

Selection Notes

Select this component when a low-profile horizontal male connector is required for single-row applications. The 2.00mm pitch suits dense circuit layouts. Verify that the locking mechanism aligns with system assembly tools. Consider the tin/lead post finish for soldering compatibility. Evaluate thermal and voltage ratings against operational demands to ensure long-term reliability in the target environment.

Part Context

This part belongs to the Datamate L-Tek series, known for high-density rectangular connectors. The B5743 prefix indicates a male plug variant. Compared to vertical counterparts, this horizontal design reduces overall height profile. It complements female receptacles within the same family to form complete interconnect solutions for modern electronics manufacturing.

Replacement Considerations

Direct substitutes include other Harwin Datamate L-Tek male plugs with identical 4-position, single-row, horizontal specifications. Verify matching pitch, latch type, and termination style. Cross-reference part numbers like B5743-104-M-L-3 if different contact finishes are acceptable. Ensure mechanical dimensions remain compatible with existing PCB footprints.