306-021-420-178

$12.86

Description：CONN EDGE DUAL FMALE 42POS 0.156
Series：306
Mfr：EDAC Inc.
Package：Bulk

SKU:e9b14139d100 Category: Edgeboard Connectors Brand: EDAC Inc.

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Product introduction

Product Detailed Parameters

Description：CONN EDGE DUAL FMALE 42POS 0.156
Series：306
Mfr：EDAC Inc.
Package：Bulk
Card Type：Non Specified - Dual Edge
Gender：Female
Number of Positions/Bay/Row：21
Number of Positions：42
Card Thickness：0.054" ~ 0.070" (1.37mm ~ 1.78mm)
Number of Rows：2
Pitch：0.156" (3.96mm)
Read Out：Dual
Features：Card Guides
Mounting Type：Panel Mount, Through Hole
Termination：Solder
Contact Material：Copper Alloy
Contact Finish：Tin
Contact Finish Thickness：-
Contact Type：Cantilever
Color：Green
Flange Feature：Flush Mount, Top Opening, Threaded Insert, 4-40
Operating Temperature：-40°C ~ 105°C

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306-021-420-178

Overview

The EDAC Inc. model 306-021-420-178 is a standard card edge connector receptacle featuring 42 positions in a single row. It utilizes a 3.96 mm (0.156 inch) contact spacing and is designed to accept printed circuit boards with a nominal thickness of 1.57 mm (0.062 inch). The component employs gold-plated copper alloy contacts for reliable signal transmission and operates within a temperature range of -40°C to +105°C. It supports a current rating of 5 A and uses a thermoplastic polyester insulator body.

Feature Summary

Accepts .062" (1.57mm) nominal thickness P.C. Board
Low profile insulator body construction
Single centreline row configuration

Applications

Industrial control systems
Communication equipment
Medical devices
Energy management systems

Procurement Notes

Verify the specific manufacturer part number against official EDAC documentation to confirm compatibility with your design requirements. Ensure that the thermal and electrical ratings align with your system's operational environment. Cross-reference the physical dimensions, particularly the board thickness acceptance and contact spacing, to guarantee proper mechanical fit during assembly.

Selection Notes

Select this component when a low-profile, single-row card edge interface is required for PCBs with a standard 0.062-inch thickness. The 42-position count suits applications needing moderate I/O density without excessive height constraints. Consider the 5A current rating and wide operating temperature range for robust performance in demanding industrial or commercial environments.

Part Context

This component belongs to the EDAC 306 series of standard card edge connectors. The series is characterized by its use of thermoplastic polyester materials and gold-plated contacts, providing durability and corrosion resistance. The 306 series is widely utilized across various sectors including consumer electronics and industrial automation for secure board-to-board connections.