305-012-521-503

Edgeboard Connectors Overview

The EDAC Inc. 305-012-521-503 is a dual-edge female card edge connector from the 305 Series, designed for through-hole panel mount installation. It features 12 positions with a 0.156-inch (3.96mm) spacing and accepts non-specified dual-edge cards. The contacts are made of copper alloy with a gold finish, housed in green thermoplastic insulation. It supports board thicknesses of 0.054 to 0.070 inches and operates within a temperature range of -40°C to 105°C.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure alignment
• Provides 5A continuous current rating and 1800VACrms dielectric strength
• Features half-waffle spring contact type for reliable signal transmission

Edgeboard Connectors Applications

• Medical interconnect solutions requiring reliable connections
• Agricultural technology systems operating in harsh environments
• General industrial control panels using standard card edge modules

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official 305 Series Ordering Guide to ensure correct pin count, termination style, and packaging quantity. Confirm that the required polarizing key compatibility matches the selected connector variant before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a 12-position dual-edge interface is required with through-hole mounting. Ensure the target PCB card thickness falls within the specified 0.054 to 0.070 inch range. Verify that the application environment remains within the -40°C to 105°C operational temperature limits defined by the thermoplastic housing material.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, a line of standard card edge connectors known for durability in demanding sectors. The series offers various position counts and mounting options, catering to both general industrial and specialized medical or agricultural applications where robust connectivity is essential.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series cross-reference documentation for direct substitutes. Ensure any replacement maintains the 0.156-inch pitch and dual-edge configuration. Verify that alternative parts support the same polarizing key requirements and thermal ratings.