305-084-521-278

Edgeboard Connectors Overview

The EDAC Inc. 305-084-521-278 is a standard card edge connector from the 305 series, designed for dual-edge mating applications. It features 84 positions arranged in two rows with a pitch of 0.156 inches (3.96 mm). The connector utilizes female contacts with gold plating and is constructed with a thermoplastic polyester insulator. It supports board thicknesses ranging from 0.054 to 0.070 inches (1.37 mm to 1.78 mm) and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual-row configuration with 84 contact positions for high-density interconnects
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Thermoplastic polyester housing provides thermal stability up to 105°C
• Panel mount installation style with vertical orientation

Edgeboard Connectors Applications

• Industrial control systems requiring robust card edge interfaces
• Telecommunications equipment backplanes
• Test and measurement instrumentation modules
• Computer peripheral interface cards

Edgeboard Connectors Procurement Notes

Verify component authenticity through authorized EDAC distributors or certified partners. Confirm RoHS compliance status and specific lot traceability requirements prior to purchase. Ensure storage conditions maintain moisture sensitivity levels as defined by manufacturer guidelines. Cross-reference part numbers with official EDAC ordering guides to avoid substitution errors during procurement processes.

Edgeboard Connectors Selection Notes

Select this model when dual-edge card mating is required with a 3.96 mm pitch. Verify that the target PCB thickness falls within the 1.37 mm to 1.78 mm specification range. Consider the 105°C operating temperature limit for environmental compatibility. Evaluate panel mounting constraints against available chassis space and alignment mechanisms.

Edgeboard Connectors Part Context

This component belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and configurations for diverse electronic assembly needs. The 305-084-521-278 specifically addresses applications needing 84 contacts with dual-sided connectivity, distinguishing it from single-row or different pitch variants within the broader product family.

Edgeboard Connectors Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult EDAC technical support for potential cross-references or updated series replacements if this specific part number becomes obsolete.