305-056-520-278

$11.38

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

SKU:6bc95368701f Category: Edgeboard Connectors Brand: EDAC Inc.

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Product introduction

305-056-520-278 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 305-056-520-278

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, Through Hole
Termination：Solder
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 305-056-520-278

305-056-520-278

Edgeboard Connectors Overview

The EDAC 305-056-520-278 is a standard card edge connector from the 305 series, designed for panel-mounted applications. It features a dual-row configuration with 56 positions and a contact spacing of 3.96 mm (0.156 inches). The connector utilizes gold-plated copper alloy contacts and a thermoplastic insulator body. It supports a continuous current rating of 5 A and an insulation resistance of 5 GOhms. The unit accommodates 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

Accepts between-contact and in-contact polarizing keys for secure board retention
Features a low-profile insulator body design
Supports vertical panel mounting orientation

Edgeboard Connectors Applications

Panel-mounted electronic assemblies requiring high-density connections
Industrial control systems utilizing dual-edge PCBs
Equipment needing polarized keying options for board alignment

Edgeboard Connectors Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compatibility with required polarizing keys and termination styles. Confirm that the target application environment falls within the specified operating temperature range of -40°C to +105°C. Ensure the printed circuit board thickness matches the nominal 1.57 mm specification for proper engagement.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge connector with 56 positions is required for panel installation. The 3.96 mm pitch and 5 A current rating suit general industrial interconnect needs. Consider the availability of polarizing keys if board orientation security is critical. Verify that the thermoplastic housing material meets environmental requirements for the intended deployment.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and row configurations for diverse connectivity needs. The 305-056-520-278 specifically addresses applications requiring a 56-position dual-row interface with robust mechanical retention and reliable electrical performance under standard industrial conditions.