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305-018-521-278 is listed in the Edgeboard Connectors range at ChipApex. The manufacturer field lists EDAC Inc.. Its product description is CONN EDGE DUAL FMALE 18POS 0.156. Review the specifications below when checking this part for your BOM.
Edgeboard Connectors specifications for 305-018-521-278
- Description：CONN EDGE DUAL FMALE 18POS 0.156
- Series：305
- Mfr：EDAC Inc.
- Package：Box
- Card Type：Non Specified - Dual Edge
- Gender：Female
- Number of Positions/Bay/Row：9
- Number of Positions：18
- 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, Threaded Insert, 4-40
- Operating Temperature：-40°C ~ 105°C
Edgeboard Connectors datasheet and documents for 305-018-521-278
Edgeboard Connectors Overview
The EDAC Inc. 305-018-521-278 is a standard card edge connector from the 305 series, designed for vertical panel mounting. It features 18 positions arranged in a dual row configuration with a contact spacing of 3.96 mm (0.156 inches). The connector utilizes gold-plated copper alloy contacts and a thermoplastic insulator body. It accepts printed circuit boards with a nominal thickness of 1.57 mm (0.062 inches) and employs a solder lug termination method. The unit is rated for 5 A current and operates within a temperature range of -40°C to +105°C.
Edgeboard Connectors Feature Summary
- Vertical panel mount design with flush mounting flange
- Gold-plated copper alloy contacts for reliable signal transmission
- Dual-edge female connector accepting non-specified PCBs
Edgeboard Connectors Applications
- Industrial control systems requiring robust interconnects
- Medical equipment interfaces
- Agricultural technology hardware
Edgeboard Connectors Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact mechanical dimensions and plating specifications. Ensure compatibility with the target PCB thickness of 1.57 mm. Confirm RoHS compliance status through the latest product documentation before integration into regulated assemblies.
Edgeboard Connectors Selection Notes
Select this component when a vertical, panel-mount solution is required for dual-edge cards. The 3.96 mm pitch and 18-position count define the interface density. Consider the 5 A rating and thermal limits for power distribution requirements. Verify that the solder lug termination aligns with the assembly manufacturing 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. The 305-018 variant specifically provides an 18-position interface. The model number structure indicates the series, position count, and specific mechanical or plating options defined by the manufacturer.
Edgeboard Connectors Replacement Considerations
Consult the EDAC 305, 315, and 355 Series Ordering Guide for cross-referencing compatible parts. Verify pin count, pitch, and mounting style matches before substitution.
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