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JST XH Series Right Angle Surface PCB Header 4 Contacts 2.5 mm Pitch 1 Row Shrouded (Q)S4B-XH-SM4-TB (LF)(SN)

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JST XH Series Right Angle Surface PCB Header 4 Contacts 2.5 mm Pitch 1 Row Shrouded (Q)S4B-XH-SM4-TB (LF)(SN)

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Category PCB Headers Brand JST Condition New

Specifications

Country of Origin	Korea
Voltage	1000V
Brand	JST
Orientation	Right Angle
Current	3A
Model	(Q)S4B-XH-SM4-TB (LF)(SN)
Mount Type	Surface
Housing Material	Polyamide
Contact Material	Copper Alloy
Series	XH
Termination Type	Solder
Maximum Operating Temperature	85°C
Minimum Operating Temperature	-25°C
Number of Rows	1
Pitch	2.5mm
Contact Plating	Copper, Tin
Number of Contacts	4
Contact Gender	Male
Shrouded/Unshrouded	Shrouded
Connector System	Board-to-Board
Tail Pin Length	3mm

Key Features

The connector supports a current rating of 3 A for reliable power transmission.
Constructed with durable polyamide housing and copper alloy contacts plated with copper and tin.
Designed for solder termination with male contact gender and 3 mm tail pin length.
Rated for operation from -25°C up to 85°C, suitable for a range of environments.
Designed as a board-to-board connector system with right angle orientation.
Supports a maximum voltage of 1000 V for robust electrical insulation.
Compact single-row design ensures efficient PCB space utilization.
Made in Korea, Republic Of, meeting quality manufacturing standards.

Product Description

JST (Q)S4B-XH-SM4-TB (LF)(SN) is a professional-grade XH series right angle surface mount PCB header designed for demanding electrical and electronic applications. With a 4-contact configuration and 2.5 mm pitch, this shrouded connector provides secure board-to-board electrical connections, optimized for compact PCB layouts.

The housing is molded from high-quality polyamide, ensuring electrical insulation and mechanical stability. Contact materials use a copper alloy plated with copper and tin to provide excellent conductivity and corrosion resistance. The connector has a male contact gender with a 3 mm tail pin length, suitable for solder termination methods.

Operating temperature range from -25°C to 85°C allows deployment in diverse industrial, telecommunications, and consumer electronics environments. It supports up to 3 A current and 1000 V voltage rating, offering reliable and safe electrical performance under typical load conditions.

This single-row, right angle design enables optimized vertical mounting on PCBs, particularly suited for space-constrained multi-board assemblies. The shrouded header adds mechanical protection for contacts, reducing the risk of damage or accidental disconnection.

The product is manufactured in Korea, meeting precise quality standards relevant for high-reliability industrial and commercial electronics manufacturing. The connector is ideal for applications in electronic devices requiring efficient board interconnection with robust mechanical and electrical performance.

Common uses include power supply modules, industrial control boards, and communication equipment assembly. For engineers requiring robust, compact PCB connectors, the JST XH series offers a proven solution with excellent electrical characteristics and reliable mechanical design.

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