305-046-520-203

Edgeboard Connectors Overview

The EDAC Inc. 305-046-520-203 is a standard card edge connector from the 305 Series, designed for dual-row applications. It features 46 contacts with a 0.156 inch (3.96mm) pitch and accepts non-specified dual-sided card edge boards. The connector utilizes female half-beam contact types with gold plating on copper alloy terminals. It employs a green thermoplastic insulator body and supports solder termination via through-hole mounting. Key mechanical specifications include a flush mount flange with a floating bobbin feature and a 0.116 inch diameter hole. The unit operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-row configuration with 46 positions for high-density board connections
• Floating bobbin flange design accommodates panel thickness variations
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Thermoplastic insulation provides stability across specified operating temperatures

Edgeboard Connectors Applications

• Panel-mounted electronic assemblies requiring secure card edge interfaces
• Industrial control systems utilizing modular circuit board architectures
• Communication equipment housing dual-sided PCB integration

Edgeboard Connectors Procurement Notes

Verify that the target printed circuit board thickness falls within the acceptable range of 0.054 to 0.070 inches to ensure proper mating. Confirm that the application environment remains within the -40°C to +105°C operational limits. Ensure the mounting panel allows for the 0.116 inch diameter flange holes required for the flush mount and floating bobbin mechanism. Cross-reference the 46-position count against the specific circuit design requirements before finalizing procurement.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, 46-position interface is required for non-specified dual-sided cards. The 0.156 inch pitch dictates the trace spacing on the mating PCB. Consider the floating bobbin feature if panel alignment tolerances are tight or if variable panel thicknesses exist in the assembly. The solder termination method requires compatible through-hole manufacturing processes. Verify that the green thermoplastic insulation meets any specific visual identification or material compatibility needs of the system.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which offers various mounting options and row configurations. Similar models in the series include the 305-038-520-502 and 305-050-520-203, differing primarily in position count. The series is characterized by its robust construction and suitability for panel-mount applications. The 305-046-520-203 specifically fills the gap between lower and higher position counts within the dual-row lineup.

Edgeboard Connectors Replacement Considerations

Direct substitutes within the same series include parts with identical pitch and row count but different position numbers, such as 305-038-520-203 or 305-050-520-203, provided the position count difference is acceptable. No other cross-series replacements are confirmed without verifying mechanical and electrical compatibility.