JST SM04B-SRSS-TB(LF)(SN) is a 4-position, 1.0 mm pitch, right-angle surface-mount JST SH PCB connector commonly used for STEMMA QT and Qwiic I²C connections.

Keywords: SM04B-SRSS-TB, JST SH, 4-pin connector, 1.0mm pitch, STEMMA QT Qwiic The SM04B-SRSS-TB (LF)(SN) is a JST SH/SR series 4-position wire-to-board connector header designed for compact, high-density PCB applications. It features a 1.0 mm pitch, right-angle surface-mount (SMT) design, and a shrouded housing for secure mating and alignment.

This connector is commonly used in space-constrained electronic devices where reliable signal transmission and low-profile mounting are required, such as in consumer electronics, industrial control boards, and embedded systems.

It mates with compatible JST SH series housings, providing a secure push-fit connection for crimped wire assemblies.

Key Features 4-position (1x4) wire-to-board connector header 1.0 mm fine pitch for compact PCB layouts Surface-mount (SMT), right-angle configuration Shrouded design for improved alignment and protection Rated current: 1 A per contact Rated voltage: 50 V AC/DC Low-profile height (~2.9 mm) Tin-plated contacts for reliable conductivity Operating temperature: -25°C to +85°C Compatible with JST SH/SR series mating housings Tape-and-reel packaging for automated PCB assembly

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