B5743-204-M-T-B

Description：CONN HEADER VERT 4POS 2MM
Series：Datamate L-Tek
Mfr：Harwin Inc.
Package：Tube

SKU:64905b984c01 Category: Headers, Male Pins Brand: Harwin Inc.

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Product introduction

Product Detailed Parameters

Description：CONN HEADER VERT 4POS 2MM
Series：Datamate L-Tek
Mfr：Harwin Inc.
Package：Tube
Connector Type：Header
Contact Type：Male Pin
Pitch - Mating：0.079" (2.00mm)
Number of Positions：4
Number of Rows：2
Row Spacing - Mating：0.079" (2.00mm)
Number of Positions Loaded：All
Style：Board to Board or Cable
Shrouding：Shrouded - 4 Wall
Mounting Type：Through Hole
Termination：Solder
Fastening Type：Latch Lock
Contact Length - Mating：-
Contact Length - Post：0.370" (9.40mm)
Overall Contact Length：-
Insulation Height：0.213" (5.40mm)
Contact Shape：Circular
Contact Finish - Mating：Gold
Contact Finish Thickness - Mating：-
Contact Finish - Post：Gold
Contact Material：Phosphor Bronze
Insulation Material：Polyester, Glass Filled
Features：-
Operating Temperature：-55°C ~ 125°C
Ingress Protection：-
Material Flammability Rating：UL94 V-0
Insulation Color：Black
Current Rating (Amps)：2.2A
Voltage Rating：800V

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B5743-204-M-T-B

Overview

The B5743-204-M-T-B is a Datamate L-Tek male pin header manufactured by Harwin Inc. It features a vertical through-hole mounting style with four positions arranged in a dual in-line configuration. The connector utilizes a 2.00mm pitch and includes a shrouded design for secure mating. Contact surfaces are gold-plated, while the housing is constructed from black polyester reinforced with glass fiber, rated UL94 V-0. The unit supports an operating temperature range of -55°C to +125°C and carries a current rating of 2.2A with an 800VAC/DC voltage rating.

Feature Summary

Vertical through-hole mounting with shrouded housing
Gold-plated contacts for reliable signal transmission
High-temperature resistant UL94 V-0 insulation material

Applications

Board-to-board interconnections
Cable-to-board connections
General purpose electronic assemblies

Procurement Notes

Verify the specific suffix 'B' against the manufacturer's official documentation to confirm compliance status and RoHS directives, as datasheet records may vary. Ensure the selected variant matches the required contact plating thickness and insulation height specifications for the target application environment. Cross-reference the part number alias if applicable to avoid procurement errors.

Selection Notes

Select this component when a low-profile, vertically oriented male header is required for compact designs. The 2.00mm pitch allows for dense circuit layouts. Consider the 2.2A current rating and 800V dielectric strength to ensure electrical safety margins are met within the specified thermal operating window.

Part Context

This component belongs to the Datamate L-Tek series, designed for high-density interconnects. It pairs with female sockets to form robust connection systems. The series emphasizes reliability in demanding environments through durable materials and precise mechanical tolerances.