305-020-520-278

$7.59

Description：CONN EDGE DUAL FMALE 20POS 0.156
Series：305
Mfr：EDAC Inc.
Package：Box

SKU:cd9d04cb15f8 Category: Edgeboard Connectors Brand: EDAC Inc.

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Product introduction

305-020-520-278 is listed in the Edgeboard Connectors range at ChipApex. The manufacturer field lists EDAC Inc.. Its product description is CONN EDGE DUAL FMALE 20POS 0.156. Review the specifications below when checking this part for your BOM.

Edgeboard Connectors specifications for 305-020-520-278

Description：CONN EDGE DUAL FMALE 20POS 0.156
Series：305
Mfr：EDAC Inc.
Package：Box
Card Type：Non Specified - Dual Edge
Gender：Female
Number of Positions/Bay/Row：10
Number of Positions：20
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 305-020-520-278

305-020-520-278

Edgeboard Connectors Overview

The EDAC 305-020-520-278 is a standard card edge connector from the 305 series, designed for reliable signal transmission in electronic assemblies. It features a dual-row configuration with 20 positions and a 3.96 mm pitch. The connector supports a board thickness of 1.57 mm and utilizes gold-plated copper alloy contacts rated for 5 A current. Constructed with a thermoplastic housing, it offers an insulation resistance of 5 GOhms and operates within a temperature range of -40 C to +105 C.

Edgeboard Connectors Feature Summary

Dual-row configuration providing 20 contact positions
Gold-plated copper alloy contacts for corrosion resistance
Thermoplastic housing material ensuring electrical stability

Edgeboard Connectors Applications

Panel-mounted electronic interconnects
Vertical circuit board connections
Standard card edge mating interfaces

Edgeboard Connectors Procurement Notes

Verify the specific suffix code against the manufacturer datasheet to confirm exact plating thickness and housing color variations. Ensure compatibility with the target PCB edge thickness of 1.57 mm before integration. Cross-reference the official EDAC documentation for any recent manufacturing updates or regional supply restrictions that may affect availability.

Edgeboard Connectors Selection Notes

Select this component when a dual-row card edge interface with a 3.96 mm pitch is required. It is suitable for applications demanding vertical panel mounting and robust thermal performance up to 105 C. Consider the 5 A current rating and gold contact finish for environments requiring high reliability and low contact resistance.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, which specializes in standard card edge connectors. The series provides various mounting options and row configurations to support diverse electronic design needs. Components in this family typically feature durable thermoplastic housings and precise pin spacing for consistent mechanical alignment.