M20-7821242

Overview

The M20-7821242 is a rectangular connector from the Harwin M20 series, designed as a surface-mount or through-hole receptacle with 12 positions. It features a 0.100 inch (2.54 mm) pitch and single-row configuration. The contacts are made of phosphor bronze with gold plating for mating surfaces and tin plating for termination. Rated for 3A current and 250V voltage, it operates within a temperature range of -40°C to 105°C. The housing is constructed from black polyamide (PA6T) nylon 6T, meeting UL94 V-0 flammability standards.

Feature Summary

• Utilizes a push-pull latching mechanism for secure board-to-board connections.
• Features square contact shapes with gold-plated mating surfaces for reliable signal transmission.
• Constructed from high-temperature resistant PA6T insulation material ensuring stability in demanding environments.

Applications

• Board-to-board interconnections in compact electronic assemblies
• Industrial control systems requiring robust vertical mounting
• Consumer electronics with space-constrained design requirements

Procurement Notes

Verify the specific termination style (SMD vs Through-Hole) against the official datasheet, as product listings may vary. Confirm that the gold plus tin plating specification matches the application's corrosion resistance needs. Ensure the 3A rating per contact is sufficient for the intended circuit load. Check for any recent product change notices regarding material updates.

Selection Notes

Select this component when a low-profile, high-density connection is required for single-row applications. The M20 series offers versatile mounting options suitable for both automated surface mount processes and manual through-hole assembly. Consider the 2.54mm pitch compatibility with existing header counterparts in the same series.

Part Context

This part belongs to the Harwin M20 series, known for its versatility in mixed technology applications. The series supports various row counts and pin configurations, allowing designers to standardize on a single connector family. The M20-7821242 specifically addresses the need for a 12-position solution with reliable latching performance.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Designers should consult Harwin Inc. directly for obsolescence management or equivalent alternatives if this specific variant becomes unavailable.

FAQ

What is the contact material used in the M20-7821242?

The contacts are manufactured from phosphor bronze, providing excellent elasticity and conductivity.

Does this connector support both surface mount and through-hole installation?

Yes, the M20 series is designed to accommodate both surface mount device (SMD) and through-hole mounting styles depending on the specific suffix and configuration.