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Product Detailed Parameters
- Description：CONN EDGE DUAL FMALE 70POS 0.156
- Series：306
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：35
- Number of Positions：70
- 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
- Termination：Solder Eyelet(s)
- Contact Material：Copper Alloy
- Contact Finish：Gold
- Contact Finish Thickness：10.0µin (0.25µm)
- 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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Overview
The EDAC Inc. 306-035-500-178 is a standard card edge connector designed for dual-edge board applications. It features 70 positions with a 3.96 mm (0.156 inch) contact spacing. The connector utilizes copper alloy contacts with gold plating and supports a current rating of 5 A. Designed for through-hole termination, it accommodates PCB thicknesses ranging from 1.37 mm to 1.78 mm. The housing is constructed from thermoplastic polyester, providing durability in operating temperatures between -40°C and +105°C.
Feature Summary
- Dual-edge female configuration for secure connection to double-sided circuit boards
- Gold-plated copper alloy contacts ensure reliable signal transmission and corrosion resistance
- Thermoplastic polyester insulation offers high thermal stability and mechanical strength
Applications
- Industrial control systems requiring robust interconnects
- Telecommunications equipment infrastructure
- High-density electronic assemblies utilizing double-sided PCBs
Procurement Notes
Verify the specific ordering suffix against official EDAC documentation to confirm exact pin count, termination style, and mounting features. Ensure compatibility with target PCB thickness specifications before procurement. Cross-reference manufacturer part numbers with distributor listings to confirm availability status and lead times. Confirm RoHS compliance requirements align with project standards.
Selection Notes
Select this component when a dual-edge connector with 3.96 mm pitch is required for high-reliability applications. Consider the 5 A current rating and temperature range for environmental suitability. Verify that the through-hole termination method matches the manufacturing process. Evaluate the need for gold plating based on contact cycle requirements and oxidation risks.
Part Context
This part belongs to the EDAC 306 Series, which provides standard card edge connectors with 0.156-inch spacing. The series includes various configurations for single and dual-edge boards, supporting different termination styles and mounting options. The 306 series is widely used in industrial and commercial electronics for stable board-to-board or backplane connections.
Replacement Considerations
Direct substitutes within the same series include parts with identical pitch and position counts but different termination or mounting features. Verify electrical ratings and physical dimensions before substitution. Consult EDAC official cross-reference guides for compatible alternatives.
