305-056-500-278

$11.38

Description：CONN EDGE DUAL FMALE 56POS 0.156
Series：305
Mfr：EDAC Inc.
Package：Box

SKU:f05cfb4b6a7c Category: Edgeboard Connectors Brand: EDAC Inc.

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Product introduction

305-056-500-278 is listed in the Edgeboard Connectors range at ChipApex. The manufacturer field lists EDAC Inc.. Its product description is CONN EDGE DUAL FMALE 56POS 0.156. Review the specifications below when checking this part for your BOM.

Edgeboard Connectors specifications for 305-056-500-278

Description：CONN EDGE DUAL FMALE 56POS 0.156
Series：305
Mfr：EDAC Inc.
Package：Box
Card Type：Non Specified - Dual Edge
Gender：Female
Number of Positions/Bay/Row：28
Number of Positions：56
Card Thickness：0.054" ~ 0.070" (1.37mm ~ 1.78mm)
Number of Rows：2
Pitch：0.156" (3.96mm)
Read Out：Dual
Features：-
Mounting Type：Panel Mount
Termination：Solder Eyelet(s)
Contact Material：Copper Alloy
Contact Finish：Gold
Contact Finish Thickness：10.0µin (0.25µm)
Contact Type：Semi Bellows
Color：Green
Flange Feature：Flush Mount, Top Opening, Threaded Insert, 4-40
Operating Temperature：-40°C ~ 105°C

Edgeboard Connectors datasheet and documents for 305-056-500-278

305-056-500-278

Edgeboard Connectors Overview

The EDAC 305-056-500-278 is a standard card edge connector from the 305 series, designed for dual-edge board insertion. It features 56 positions with a 3.96 mm (0.156 inch) contact spacing and a 3.56 mm row spacing. The connector accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). It utilizes gold-plated copper alloy contacts and a thermoplastic insulator body. Rated for 5 A current, it operates within a temperature range of -40°C to +105°C and offers an insulation resistance of 5 GOhms.

Edgeboard Connectors Feature Summary

Dual-row female configuration for secure dual-edge card engagement
Gold-plated contacts ensure reliable conductivity and corrosion resistance
Thermoplastic insulator body provides structural stability and electrical isolation

Edgeboard Connectors Applications

Panel-mounted electronic interconnects
Industrial control system backplanes
Telecommunications equipment interfaces

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact plating thickness and material specifications. Ensure compatibility with the target PCB thickness of 1.57 mm before procurement. Cross-reference the manufacturer part number with authorized distributors to confirm current availability status and lead times.

Edgeboard Connectors Selection Notes

Select this component when a dual-row, panel-mount solution is required for 0.062-inch thick cards. The 3.96 mm pitch suits applications needing robust mechanical retention. Confirm that the 5 A rating and operating temperature range meet the system's thermal and electrical demands.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series is characterized by its .156 inch pitch and versatile mounting options. These connectors are widely used in industrial and commercial electronics requiring durable, high-density connections.