M20-7873542

Description：CONN RCPT 70POS 0.1 GOLD SMD
Series：M20
Mfr：Harwin Inc.
Package：Tube

SKU:f1a18ac5a73c Category: Headers, Receptacles, Female Sockets Brand: Harwin Inc.

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Product introduction

Product Detailed Parameters

Description：CONN RCPT 70POS 0.1 GOLD SMD
Series：M20
Mfr：Harwin Inc.
Package：Tube
Connector Type：Receptacle, Bottom or Top Entry
Contact Type：Female Socket
Style：Board to Board or Cable
Number of Positions：70
Number of Positions Loaded：All
Pitch - Mating：0.100" (2.54mm)
Number of Rows：2
Row Spacing - Mating：0.100" (2.54mm)
Mounting Type：Surface Mount
Termination：Solder
Fastening Type：Push-Pull
Contact Finish - Mating：Gold
Contact Finish Thickness - Mating：-
Insulation Color：Black
Insulation Height：0.295" (7.50mm)
Contact Length - Post：-
Operating Temperature：-40°C ~ 105°C
Material Flammability Rating：UL94 V-0
Contact Finish - Post：Tin
Mated Stacking Heights：10.04mm, 11.63mm
Ingress Protection：-
Features：-
Current Rating (Amps)：3A
Voltage Rating：1000V

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M20-7873542

Overview

The Harwin M20-7873542 is a dual in-line (DIL) socket assembly designed for surface-mount technology. It features a bottom entry configuration with 35+35 positions, totaling 70 contacts. The connector utilizes a 2.54 mm pitch and operates across two rows. Contact plating consists of selective gold over tin to ensure reliable conductivity. This component belongs to the M20 series, engineered for high-density PCB applications requiring robust mechanical and electrical performance.

Feature Summary

Dual row surface-mount socket assembly with bottom entry design
Selective gold plating over tin contact finish for enhanced reliability
High-density 70-position layout optimized for compact board space

Applications

High-density PCB interconnections
Industrial control systems
Telecommunications equipment

Procurement Notes

Verify end-of-life status before integration. Confirm RoHS compliance details via official datasheet. Check regional availability as distribution may be restricted. Validate pin count and plating specifications against current project requirements.

Selection Notes

Select this model for SMT processes requiring bottom-entry sockets. Ensure PCB footprint matches the 2.54 mm DIL specification. Consider thermal resistance during reflow soldering. Verify mating connector compatibility with the selected contact geometry.

Part Context

Part of the Harwin M20 series, known for industrial-grade connectors. Designed for demanding environments with strict size constraints. Offers consistent performance across various electronic assemblies. Supports automated surface-mount assembly workflows efficiently.