M20-7871846P

Overview

The M20-7871846P is a dual in-line (DIL) socket assembly manufactured by Harwin Inc. It features a 2-row configuration with a total of 46 positions and a standard 2.54 mm pitch. Designed for surface mount technology, the connector utilizes bottom entry contacts terminated with gold and tin plating to ensure reliable signal transmission. The housing is constructed from black nylon, providing mechanical stability and insulation. This component is part of the M20 series, intended for high-density board-to-board interconnections requiring robust solder joint integrity.

Feature Summary

• Dual row DIL socket assembly design for compact board-to-board connectivity
• Surface mount terminal construction with bottom entry contact alignment
• Gold and tin plated contacts to enhance corrosion resistance and conductivity

Applications

• High-density electronic module interconnections
• Industrial control system board assemblies
• Telecommunications equipment internal wiring

Procurement Notes

Verify end-of-life status prior to procurement as this component may be obsolete. Confirm RoHS compliance details through official documentation. Ensure surface mount footprint compatibility with existing PCB designs. Check for authorized distribution channels due to potential discontinuation. Validate replacement part numbers if primary supply is unavailable.

Selection Notes

Select this component when a dual row surface mount socket with bottom entry is required. Verify that the 2.54 mm pitch matches the mating header specifications. Consider the gold and tin termination for environments requiring enhanced durability. Ensure the black nylon housing meets thermal and flammability requirements for the application environment.

Part Context

This part belongs to the Harwin M20 series, which offers a range of board-to-board connectors. The M20 series is known for its reliability in demanding applications. The M20-7871846P specifically provides a female socket interface compatible with male pin headers. It supports high-density layouts common in modern electronics manufacturing.

Replacement Considerations

M20-7871342 is a listed possible substitute. Verify pin count and mounting style compatibility before substitution.