305-074-521-203

$12.56

Description：CONN EDGE DUAL FMALE 74POS 0.156
Series：305
Mfr：EDAC Inc.
Package：Box

SKU:ea32dc23fe9c Category: Edgeboard Connectors Brand: EDAC Inc.

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Product introduction

305-074-521-203 is listed in the Edgeboard Connectors range at ChipApex. The manufacturer field lists EDAC Inc.. Its product description is CONN EDGE DUAL FMALE 74POS 0.156. Review the specifications below when checking this part for your BOM.

Edgeboard Connectors specifications for 305-074-521-203

Description：CONN EDGE DUAL FMALE 74POS 0.156
Series：305
Mfr：EDAC Inc.
Package：Box
Card Type：Non Specified - Dual Edge
Gender：Female
Number of Positions/Bay/Row：37
Number of Positions：74
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, Floating Bobbin, 0.116" (2.95mm) Dia
Operating Temperature：-40°C ~ 105°C

Edgeboard Connectors datasheet and documents for 305-074-521-203

305-074-521-203

Edgeboard Connectors Overview

The EDAC Inc. 305-074-521-203 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 74 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. Constructed with copper alloy contacts featuring gold plating, it provides a 5 A current rating and 1800 VACrms insulation capability. The housing utilizes thermoplastic polyester material, ensuring stability across an operating temperature range of -40°C to +105°C.

Edgeboard Connectors Feature Summary

Accepts between-contact and in-contact polarizing keys for secure board alignment
Low profile insulator body design for compact panel integration
Dual female contact configuration for non-specified dual-edge cards

Edgeboard Connectors Applications

Panel-mounted electronic interconnect systems
Industrial control module connections
Telecommunications equipment backplanes

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact physical dimensions and termination styles. Ensure compatibility with target PCB thickness tolerances before procurement. Cross-reference RoHS compliance status with current manufacturer declarations to meet regulatory requirements for the intended deployment region.

Edgeboard Connectors Selection Notes

Select this component when a high-density dual-row interface is required for vertical panel mounting. The 3.96 mm pitch accommodates standard board widths while maintaining robust electrical performance. Consider the 5 A rating for power distribution needs within the signal path constraints of the application environment.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 Series, a line of standard card edge connectors known for reliability in harsh environments. The series offers various position counts and termination options, allowing engineers to scale connectivity density without changing the fundamental form factor or mounting methodology.