M20-7853846

Overview

The Harwin M20-7853846 is a 38-position single-row PCB socket connector from the M20 series, featuring a 2.54 mm pitch. Designed for board-to-board applications, it utilizes through-hole termination with nickel-plated tin contacts on bronze substrates. The housing is constructed from UL94V-0 rated high-temperature liquid crystal polymer (LCP), ensuring compatibility with surface mount reflow processes. It supports a current rating of 12A and operates within a temperature range of -55°C to +105°C.

Feature Summary

• High-density compact design optimized for strict PCB height limitations
• Dual-beam contact structure enhances electrical connection reliability
• Housing material compatible with standard SMT reflow soldering profiles

Applications

• Embedded PC systems
• Motherboard interconnections
• Industrial monitoring equipment
• Communication devices

Procurement Notes

Verify the specific ordering suffix against the official Harwin datasheet to confirm pin count, orientation, and plating specifications. Ensure the selected variant matches the required thermal profile for LCP housing reflow processing. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current availability status and RoHS compliance documentation before finalizing procurement.

Selection Notes

Select this component when a single-row, 2.54mm pitch socket is required for high-density board-to-board connections. The M20 series offers various row configurations and position counts; verify that the 38-position single-row format aligns with the target PCB layout constraints. Consider the through-hole mounting style and straight orientation requirements during mechanical integration planning.

Part Context

This component belongs to the Harwin M20 series, a widely adopted standard for industrial and consumer electronics interconnects. The series provides versatile options in single and double-row configurations, catering to diverse density and routing needs. It serves as a foundational solution for reliable signal transmission in embedded systems and large-scale electronic assemblies requiring standardized spacing.

Replacement Considerations

Consult the official Harwin M20 series cross-reference guide for verified substitute part numbers. Ensure any replacement maintains identical 2.54mm pitch, 38-position count, and through-hole termination characteristics to guarantee mechanical and electrical compatibility.