305-074-556-204

$12.50

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

SKU:3dca25637267 Category: Edgeboard Connectors Brand: EDAC Inc.

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Product introduction

305-074-556-204 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 305-074-556-204

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：Card Extender
Mounting Type：Board Edge, Straddle Mount
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, Unthreaded, 0.156" (3.96mm) Dia
Operating Temperature：-40°C ~ 105°C

Edgeboard Connectors datasheet and documents for 305-074-556-204

305-074-556-204

Edgeboard Connectors Overview

The EDAC Inc. 305-074-556-204 is a standard card edge connector from the 305 series, designed for dual-side board interfaces. It features 74 positions with a 3.96 mm (0.156 inch) pitch and supports a maximum operating temperature of +105°C. The connector utilizes gold-plated copper alloy contacts and thermoplastic polyester insulation, rated for 5 A current. It employs a straight through-hole solder pin termination style.

Edgeboard Connectors Feature Summary

Dual-side contact configuration for robust signal transmission
Gold-plated copper alloy contacts ensure reliable conductivity
Thermoplastic polyester housing provides thermal stability

Edgeboard Connectors Applications

Rack and panel interconnect systems
Industrial control modules
Computing and storage hardware backplanes

Edgeboard Connectors Procurement Notes

Verify the specific part number against official EDAC documentation to confirm compatibility with system requirements. Ensure that the mounting hole diameter and PCB thickness specifications align with the design constraints before procurement. Cross-reference the datasheet for accurate dimensional drawings and environmental ratings.

Edgeboard Connectors Selection Notes

Select this component when a high-density dual-edge interface is required for vertical or straight mounting applications. Consider the 3.96 mm pitch and 74-position count for circuit density needs. Evaluate the thermal rating and material composition against the operational environment to ensure long-term reliability in industrial or computing settings.

Edgeboard Connectors Part Context

This connector belongs to the EDAC 305 series, which specializes in card edge solutions for demanding environments. The series offers various position counts and mounting styles, catering to diverse rack, panel, and backplane applications across computing, medical, and aerospace sectors. The 305-074 variant specifically addresses higher pin count requirements within this standardized family.