10-89-1221

Headers, Male Pins Overview

The Molex 10-89-1221 is a 22-position header connector from the Mini-Fit Jr. series, designed for through-hole PCB mounting. It features a 2.54mm (0.100 inch) pitch and operates at a maximum voltage of 250V AC/RMS with a current rating of 3.0A per contact. The housing is constructed from black polyamide resin, providing thermal stability and mechanical durability. This component utilizes a vertical orientation and includes a polarizing key to ensure correct mating alignment. It is engineered for reliable signal and power transmission in consumer electronics and industrial control applications.

Headers, Male Pins Feature Summary

• Vertical through-hole mounting configuration for secure PCB integration
• Polarized housing design prevents incorrect mating alignment
• Polyamide resin construction ensures thermal resistance and mechanical strength
• Standard 2.54mm pitch facilitates widespread industry compatibility

Headers, Male Pins Applications

• Consumer electronic device internal wiring
• Industrial control system signal interconnects
• Power distribution within equipment chassis
• General-purpose circuit board-to-board connections

Headers, Male Pins Procurement Notes

Verify the specific ordering suffix against the official Molex datasheet to confirm terminal plating type and housing color variations. Ensure the selected variant matches the required current and voltage ratings for the target application. Cross-reference the part number with authorized distributors to confirm availability and authenticity. Request certification documents such as RoHS compliance when necessary for regulatory adherence. Confirm that the packaging format aligns with automated assembly requirements if applicable.

Headers, Male Pins Selection Notes

Select this connector based on the requirement for a 22-position vertical header with a 2.54mm pitch. Evaluate the environmental conditions to ensure the polyamide housing meets temperature and chemical resistance needs. Consider the mating receptacle's gender and polarization features to guarantee proper assembly. Assess the PCB layout constraints to accommodate the through-hole footprint and spacing. Verify that the 3.0A current rating suffices for the intended electrical load without excessive heating.

Headers, Male Pins Part Context

This component belongs to the Mini-Fit Jr. family, a widely used standard for general-purpose interconnects. The series is characterized by its robust design and cost-effective manufacturing, making it suitable for high-volume production. Molex designs these connectors to balance performance with ease of use, supporting both manual and automated assembly processes. The 10-89-1221 specifically represents a fixed header variant within this extensive product line.

Headers, Male Pins Replacement Considerations

Compatible substitutes include other manufacturers' 2.54mm pitch headers with identical pin counts and vertical orientation. Ensure any replacement maintains the same polarization keying and housing material properties. Verify that the substitute part meets the same UL recognition and safety standards. Check for dimensional compatibility with existing PCB footprints and mating receptacles before implementation.