M20-9770446

Headers, Male Pins Overview

The Harwin M20-9770446 is a single-row vertical pin header from the M20 series, featuring 4 positions with a 2.54 mm pitch. Designed for through-hole mounting, it utilizes brass contacts with tin plating to ensure reliable signal transmission. The connector supports a current rating of 3 A per contact and withstands voltages up to 750 V. Constructed with black nylon insulation rated UL94 V-0, it operates within a temperature range of -40°C to 105°C. The assembly includes male pins with a mating height of 5.8 mm and a tail length of 3.1 mm, providing a total contact length of 11.48 mm.

Headers, Male Pins Feature Summary

• Single-row vertical configuration for board-to-board or wire-to-board interconnections
• Through-hole solder termination ensures secure PCB attachment
• Tin-plated brass contacts provide corrosion resistance and conductivity
• Nylon housing offers mechanical stability and flame retardancy

Headers, Male Pins Applications

• General electronic circuit board interconnections
• Industrial control system wiring
• Consumer electronics assembly
• Telecommunications equipment connections

Headers, Male Pins Procurement Notes

Verify the specific part number M20-9770446 against official Harwin documentation to confirm availability and lead times. Ensure that the tin-plated finish and 2.54 mm pitch meet the design requirements. Check for any end-of-life notices or obsolescence warnings associated with this component before finalizing procurement plans.

Headers, Male Pins Selection Notes

Select this component when a single-row, vertical pin header with through-hole mounting is required. The 4-position count and 2.54 mm pitch are critical for compatibility with existing board layouts. Consider the 3 A current rating and 750 V voltage limit to ensure electrical safety margins are met in the target application environment.

Headers, Male Pins Part Context

This component belongs to the Harwin M20 series, which provides a range of rectangular connectors for various interconnection needs. The M20 series is known for its robust construction and versatile mounting options, including both surface mount and through-hole variants. This specific model represents a standard vertical pin header configuration within that lineup.

Headers, Male Pins Replacement Considerations

M20-9773946 is a similar 39-position variant within the same series but differs significantly in position count.