2.54mm Pitch Female Header Dual Rows Straight Type Four-Point Contacts Connector - HFNDS55 Series-ELETE | Professional Connector Manufacturer

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2.54mm Pitch Female Header Dual Rows Straight Type Four-Point Contacts Connector - HFNDS55 Series

High-Reliability Four-Point Contact Vertical Female Header for Secure Board-to-Board Connections

HFNDS55-A001

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HFNDS55-A001

Serial Number：HFNDS55-A001

Connector & Cable

Board to board connector

Female Header

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HFNDS55 series is a 2.54mm pitch, dual-row vertical through-hole female header featuring an advanced four-point contact design for ultra-stable electrical performance and superior vibration resistance.

Feature	Specification
Model	HFNDS55-A001
Pitch	2.54 mm / 0.1 inch / 0.1"
Gender	Female Header, Socket Header, Receptacle
Special Design	Four-Point Contacts
Rows	Dual Row
Insulator Height	5.5mm
Number of Pins	2 to 40 Pins per Row
Mounting Type	Straight Through-Hole
Current Rating	3 A, 4A, 5A or as required
Insulation Resistance	1000MΩ Min
Dielectric Withstanding	600V AC
Contact Resistance	20mΩ Max
Operating Temperature	-40℃ to +105℃
Contact Material	Brass / Phosphor Bronze
Insulation Material	High-temp Polyester,UL94V-0 LCP/NL6T/PA9T
·All materials are RoHS and REACH compliant. Halogen-free options are available.

Key Features & Advantage

Four-Point Contact Design: Engineered with four-point contacts to ensure excellent connection stability, low contact resistance, and maximum reliability against shock and vibration.
Premium Material & High Durability: Features high-grade Phosphor Bronze contacts combined with heat-resistant LCP/NL6T insulation, capable of withstanding rigorous industrial environments.
Robust Electrical Performance: Supports up to 3.0 Amp current rating with a high insulation resistance of 1000MΩ Min to guarantee clean signal and power integrity.
Flexible Configurations: Available from 2 to 40 pins per row, with multiple plating options (Gold Flash, 3U" Gold, Plating Tin) and standard 3.00mm pin length (customizable lengths available).
Global Compliance: All materials are fully RoHS and REACH compliant, with halogen-free configurations available to support environmentally friendly product designs.

Drawing

Classic Applications

Industrial Controls: High-vibration machinery, PLC systems, motor drives, and industrial automation control boards.
Automotive Electronics: Vehicle diagnostic tools, infotainment systems, and embedded control modules.
Telecommunications: Servers, routers, network switches, and telecommunication base stations.
Medical Equipment: Patient monitoring devices, diagnostic imaging systems, and lab instruments requiring steady data transmission.
Power Supplies: Power distribution units, heavy-duty power supplies, and inverter modules.