M20-9973345

Headers, Male Pins Overview

The Harwin M20-9973345 is a vertical pin header connector from the M20 series, designed for board-to-board or cable applications. It features a 66-position configuration arranged in a dual-in-line format with two rows of 33 contacts each. The connector utilizes a 2.54mm pitch and employs square-shaped male pins made of brass with gold plating on the mating surfaces. Constructed with black polyamide insulation rated UL94 V-0, it supports through-hole termination. The unit operates within a temperature range of -40°C to 105°C and carries a current rating of 3A per contact.

Headers, Male Pins Feature Summary

• Dual-in-line vertical pin header design accommodating 66 positions across two rows
• Gold-plated brass square pins ensuring reliable electrical connectivity
• Black polyamide insulation housing providing UL94 V-0 flame resistance
• Through-hole mounting style suitable for standard PCB assembly processes

Headers, Male Pins Applications

• Board-to-board interconnection systems
• Cable-to-board wiring assemblies
• High-density electronic circuit integration
• Industrial control module connections

Headers, Male Pins Procurement Notes

Verify the specific part number M20-9973345 against official Harwin documentation to confirm the dual-in-line 66-position configuration. Ensure compatibility with mating sockets regarding height and pin geometry. Check for RoHS compliance status and lead times directly with authorized distributors. Confirm that the gold plating specification matches the application requirements for corrosion resistance and conductivity.

Headers, Male Pins Selection Notes

Select this component when a high-density 66-pin vertical connection is required. The dual-in-line layout maximizes pin count within a limited footprint. Verify that the 2.54mm pitch aligns with existing board spacing. Consider the 3A current rating and 105°C operating temperature limit for thermal management. Ensure the through-hole termination method fits the manufacturing capabilities of the target printed circuit board.

Headers, Male Pins Part Context

This connector belongs to the Harwin M20 series, which offers a range of rectangular headers and wire housings. The M20 family provides various configurations including single and dual-in-line options with different pin counts. These components are engineered for robust performance in demanding environments, featuring durable materials and precise dimensional tolerances for consistent mating.

Headers, Male Pins Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.