M20-7852842

Overview

The M20-7852842 is a dual in-line socket assembly from the Harwin M20 series, designed for surface mount technology. It features 56 positions arranged in two rows with a 2.54 mm pitch. The connector utilizes bottom entry contact orientation and includes selective gold plating on mating surfaces combined with tin plating on tail contacts. Constructed with brass contacts and a black polyamide insulation housing rated UL94 V-0, it supports a maximum current of 3A per contact at 250V. The unit operates within a temperature range of -40°C to +105°C.

Feature Summary

• Dual row configuration with 56 total positions for high-density interconnect applications
• Bottom entry socket design facilitates specific board-to-board alignment requirements
• Selective plating strategy combines durable gold mating surfaces with cost-effective tin tails
• Surface mount installation ensures secure attachment to printed circuit boards

Applications

• High-density board-to-board interconnections
• Industrial control system modules
• Telecommunications equipment backplanes
• Automotive electronic control units

Procurement Notes

Verify component authenticity through authorized Harwin distributors or certified partners. Confirm RoHS compliance status and check for recent product change notifications regarding material updates. Ensure storage conditions maintain integrity before soldering processes. Validate that the selected variant matches the required bottom entry specification for the target assembly design.

Selection Notes

Select this model when a 56-position dual row interface is required for surface mounting. The bottom entry orientation dictates specific mating header compatibility. Consider the thermal operating limits and current ratings against the application load. Verify mechanical stack height constraints to ensure proper engagement with the corresponding male header connector.

Part Context

This component belongs to the M20 series rectangular connectors, which are engineered for reliable signal and power transmission. The series offers various pin counts and configurations to support diverse electronic packaging needs. The M20-7852842 specifically addresses applications requiring robust surface mount sockets with precise positioning capabilities.

Replacement Considerations

M20-7852842