2.54mm Pitch Female Header, Side Entry Right Angle PCB Connector, HFNSR81 Series-ELETE | Professional Connector Manufacturer

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2.54mm Pitch Female Header, Side Entry Right Angle PCB Connector, HFNSR81 Series

High-Reliability Right-Angle PCB Female Socket for Compact and Side-Board Connections

HFNSR81-A001

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HFNSR81-A001

Serial Number：HFNSR81-A001

Connector & Cable

Board to board connector

Female Header

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A premium-grade, 2.54mm pitch right-angle female header designed for secure, space-saving side-entry board-to-board connections in industrial and commercial electronics.

Feature	Specification
Model	HFNSR81-A001
Pitch	2.54 mm / 0.1 inch / 0.1"
Gender	Female Header, Socket Header, Receptacle
Rows	Single Row
Insulator Height	8.1mm
Number of Pins	2 to 40 Pins per Row
Mounting Type	R/A, Right Angle
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
Suggested Mating Pin Length	3.5mm to 7.5mm
·All materials are RoHS and REACH compliant. Halogen-free options are available.

Key Features & Advantage

Space-Saving Right-Angle Design: The side-entry profile allows for low-profile, parallel board-to-board mating, optimizing space in tight electronic enclosures.
Robust Material & Long Lifespan: Made with high-quality Phosphor Bronze contacts to ensure excellent conductivity, resilience, and long-term connection stability.
Flexible Configurations: Supports anywhere from 2 to 40 pins per row with customizable pin lengths and various plating options (Gold/Tin) to match your specific project needs.
High Temperature Resistance: Available with LCP/NL6T insulation materials, making it fully compatible with wave soldering and high-temperature reflow processes.
Eco-Friendly & Safe: Fully compliant with RoHS and REACH environmental standards, with halogen-free materials available for eco-conscious designs.

Drawing

Classic Applications

Industrial Automation: PLC modules, control boards, and industrial power supplies.
Consumer Electronics: Smart home devices, IoT gateways, and set-top boxes.
Telecommunications: Network routers, switches, and interface modules.
Medical Equipment: Diagnostic devices and patient monitoring systems requiring reliable internal board connections.
Automotive Electronics: In-vehicle infotainment and dashboard control systems.