305-020-555-202

Edgeboard Connectors Overview

The EDAC Inc. 305-020-555-202 is a dual-edge female card edge connector with 20 positions and a 0.156-inch (3.96mm) contact spacing. It features gold-plated copper alloy contacts with a 10.0µin thickness, designed for solder termination. The unit accepts PCBs with a thickness of 0.054 to 0.070 inches (1.37mm to 1.78mm). Constructed with green thermoplastic polyester insulation, it operates within a temperature range of -40°C to +105°C and carries RoHS3 compliance.

Edgeboard Connectors Feature Summary

• Accepts between-contact and in-contact polarizing keys for secure board alignment
• Provides a 5A continuous current rating and 1800VACrms dielectric strength
• Features low-profile insulator body design for compact assembly

Edgeboard Connectors Applications

• Standard card edge interconnect systems
• Backplane connections requiring polarizing key compatibility
• Industrial control modules operating within specified thermal ranges

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official 305 Series Ordering Guide to ensure correct pin count, row configuration, and termination style match the design requirements. Confirm that the target printed circuit board thickness falls within the accepted range of 0.054 to 0.070 inches to guarantee proper mechanical engagement and electrical reliability during operation.

Edgeboard Connectors Selection Notes

Select this component when a dual-edge receptacle with polarizing key support is required for standard thickness boards. Ensure the application environment remains within the -40°C to +105°C operational limits. Verify that the 0.156-inch spacing aligns with the mating card edge layout and that the 5A current rating satisfies the circuit load requirements without exceeding the dielectric voltage specifications.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by its versatility in accepting various polarizing keys and its robust construction using thermoplastic polyester insulation. The 305 series provides reliable interconnection solutions for applications demanding precise board alignment and consistent electrical performance across varying environmental conditions.

Edgeboard Connectors Replacement Considerations

Consult the EDAC 305 Series Ordering Guide for direct substitutes with identical pin counts and spacing. Cross-reference compatible parts from other manufacturers only if they explicitly match the 0.156-inch pitch, dual-edge female configuration, and polarizing key acceptance capabilities documented in the official specifications.