B5743-103-M-T-3

Overview

The Harwin B5743-103-M-T-3 is a male header connector from the Datamate L-Tek series. It features a 2-row, 3-position configuration with a 2.00mm (0.079 inch) pitch. Designed for through-hole mounting, it utilizes solder pin termination. The contacts are made of phosphor bronze with gold plating on mating surfaces. Rated for 2.2A current and 800VAC/DC voltage, it operates within a temperature range of -55°C to +125°C.

Feature Summary

• Datamate L-Tek series interconnect system
• Vertical latch male header design
• Gold-plated phosphor bronze contacts
• Through-hole solder termination

Applications

• Board-to-board connections
• Cable-to-board assemblies
• Industrial control systems
• Test and measurement equipment

Procurement Notes

Verify the specific suffix '3' confirms the 3-position count against the datasheet. Ensure the 'M' designation matches the required male contact type. Confirm RoHS compliance status if restricted materials are prohibited in the target application environment.

Selection Notes

Select this component when a low-profile, high-density connection is required. The 2.00mm pitch allows for compact board layouts. The vertical orientation facilitates direct stacking or cable attachment. Verify that the 2.2A rating meets the circuit's electrical load requirements.

Part Context

This part belongs to the Datamate L-Tek family, known for robust mechanical latching. It complements female sockets like the B5740 series. The design supports reliable signal and power transmission in demanding environments. It serves as a standard solution for Harwin interconnect applications.

Replacement Considerations

• B5743-103-M-T-1

FAQ

What is the contact material?

The contacts are manufactured from phosphor bronze.

Is the connector shrouded?

Yes, the Datamate L-Tek headers feature a four-wall shroud design.