337-078-524-258

Edgeboard Connectors Overview

The EDAC Inc. model 337-078-524-258 is a standard card edge connector socket from the 337 Series, designed for through-hole mounting. It features 78 positions arranged in a dual row configuration with a contact spacing of 3.96 mm (0.156 inches). The connector utilizes gold-plated copper alloy contacts and a green thermoplastic polyester insulator body. It accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches) and operates within a temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

• Dual row female contact configuration for high-density board connections
• Gold-plated copper alloy contacts ensure reliable signal transmission
• Thermoplastic polyester insulator provides structural stability and thermal resistance

Edgeboard Connectors Applications

• High-density electronic assembly interconnections
• Industrial control system board-to-board connections
• Telecommunications equipment module interfaces

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the official EDAC datasheet to confirm exact pin count, termination style, and plating specifications. Ensure compatibility with the target PCB thickness of 1.57 mm. Confirm RoHS compliance status if required by project regulations. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and current production status before finalizing procurement orders.

Edgeboard Connectors Selection Notes

Select this component when a vertical, through-hole card edge socket with 78 positions is required. The 3.96 mm pitch suits applications needing robust mechanical retention for double-sided edge cards. Consider the operating temperature range and insulation material properties for environmental suitability. Verify that the dual-row layout aligns with the schematic net distribution and physical space constraints on the host motherboard.

Edgeboard Connectors Part Context

This part belongs to the EDAC 337 Series, which offers a wide range of standard card edge connectors. The series typically includes various position counts and termination options to accommodate different design requirements. The 337-078 variant specifically addresses needs for moderate-to-high density connections using a standardized footprint and electrical rating common across the family.

Edgeboard Connectors FAQ

What is the nominal PCB thickness accepted by this connector?

The connector is designed to accept printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches).

What is the contact spacing for the 337-078-524-258?

The contact spacing is 3.96 mm (0.156 inches).