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305-078-521-202 is listed in the Edgeboard Connectors range at ChipApex. The manufacturer field lists EDAC Inc.. Its product description is CONN EDGE DUAL FMALE 78POS 0.156. Review the specifications below when checking this part for your BOM.
Edgeboard Connectors specifications for 305-078-521-202
- Description：CONN EDGE DUAL FMALE 78POS 0.156
- Series：305
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：39
- Number of Positions：78
- 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, Unthreaded, 0.128" (3.25mm) Dia
- Operating Temperature：-40°C ~ 105°C
Edgeboard Connectors datasheet and documents for 305-078-521-202
Edgeboard Connectors Overview
The EDAC Inc. 305-078-521-202 is a standard card edge connector from the 305 series, designed for dual-edge board applications. It features 78 positions with a 3.96 mm (0.156 inch) pitch and supports a maximum current rating of 5 A. The contacts are gold-plated copper alloy, while the housing is green thermoplastic polyester. This panel-mount header utilizes solder pin termination and accommodates board thicknesses between 1.37 mm and 1.78 mm.
Edgeboard Connectors Feature Summary
- Dual-edge female contact configuration for secure board insertion
- Gold-plated copper alloy contacts ensure reliable conductivity
- Thermoplastic polyester housing provides thermal stability
Edgeboard Connectors Applications
- Panel-mounted electronic assemblies requiring high-density connections
- Industrial control systems utilizing dual-edge circuit boards
- Test and measurement equipment interfaces
Edgeboard Connectors Procurement Notes
Verify the specific suffix codes against official EDAC documentation to confirm exact plating thickness and material specifications. Ensure compatibility with the target PCB thickness range of 1.37 mm to 1.78 mm before integration. Confirm RoHS compliance status through the manufacturer's latest datasheet release.
Edgeboard Connectors Selection Notes
Select this component when a dual-edge connector with a 3.96 mm pitch is required for panel mounting. The 78-position count suits high-pin-count applications. Verify that the operating temperature range of -40°C to +105°C meets environmental requirements. Ensure the solder pin termination style aligns with the assembly process.
Edgeboard Connectors Part Context
This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and mounting styles, all sharing a consistent 3.96 mm pitch. The 305-078-521-202 specifically addresses needs for dual-edge interfaces in panel-mount configurations within industrial electronics.
Edgeboard Connectors Replacement Considerations
Consult the EDAC 305 Series Ordering Guide for direct substitutes with different position counts or mounting angles. Cross-reference with other manufacturers offering 3.96 mm pitch dual-edge headers if supply constraints exist.
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