306-027-421-178

Overview

The EDAC Inc. 306-027-421-178 is a standard card edge connector receptacle featuring 54 positions with a 3.96 mm pitch. Designed for through-hole mounting, it utilizes gold-plated copper alloy contacts and a thermoplastic polyester housing. The component supports a current rating of 5 A and operates within a temperature range of -40°C to +105°C.

Feature Summary

• Accepts printed circuit boards with a nominal thickness of 1.57 mm
• Features a low-profile insulator body design
• Utilizes single centerline row contact configuration

Applications

• Industrial control system interconnections
• Telecommunications equipment backplanes
• General-purpose electronic module mounting

Procurement Notes

Verify the specific suffix code against the manufacturer's official ordering guide to confirm plating type and material specifications. Confirm availability status as distribution channels may indicate regional sales restrictions or discontinuation. Ensure compatibility with existing panel mount requirements before procurement.

Selection Notes

Select this component when a high-density connection with a 3.96 mm pitch is required for double-sided card edges. The through-hole termination style suits applications needing robust mechanical anchoring. Verify that the target PCB thickness aligns with the 1.57 mm nominal specification for proper engagement.

Part Context

This part belongs to the EDAC 306 series, which specializes in standard card edge connectors. The series is characterized by its ability to accommodate various board thicknesses while maintaining reliable electrical performance through gold-plated contacts and durable thermoplastic housings.

Replacement Considerations

Cross-reference with other EDAC 306 series variants sharing identical pin counts and pitch dimensions. Verify that alternative parts match the through-hole mounting style and gold plating specifications to ensure functional interchangeability without redesigning the host assembly.