2.54mm x 2.54mm Dual Row Vertical SMT Female Header PCB Connector (8.5mm Profile)-ELETE | Professional Connector Manufacturer

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2.54mm x 2.54mm Dual Row Vertical SMT Female Header PCB Connector (8.5mm Profile)

High-Reliability Four-Point Contact Surface Mount (SMT) Female Header with 8.5mm Insulator Height

HFNDM85-A001

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HFNDM85-A001

Serial Number：HFNDM85-A001

Connector & Cable

Board to board connector

Female Header

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HFNDM85 series is a 2.54mm pitch, dual-row vertical SMT female header featuring an elevated 8.50mm profile and a high-reliability four-point contact design, ideal for robust and high-clearance surface-mount board-to-board configurations.

Feature	Specification
Model	HFNDM85-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	8.5mm
Number of Pins	2 to 40 Pins per Row
Mounting Type	SMT / Surface Mount (Vertical)
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

Advanced Four-Point Contact System: Designed with four-point contacts to maintain uniform grid pressure, low contact resistance, and continuous signal integrity even under demanding mechanical vibration and shock.
Elevated 8.50mm Profile: The 8.50mm height configuration provides optimal vertical clearance between stacked PCBs, allowing better thermal dissipation and space for underneath components.
High-Temperature SMT Housing: Crafted from high-grade engineering plastics (LCP or NL6T, UL 94V-0 rated) that reliably withstand the peak temperatures of lead-free reflow soldering lines.
Seamless SMT Automation: Engineered with strict co-planarity controls (0.15mm Max) and available in Tape & Reel packaging with suction caps to support ultra-fast automated pick-and-place manufacturing.
Tailored Configurations: Supports a flexible pin count of 2 to 40 pins per row, multiple finishing platings (Gold Flash, 3U" Gold, Tin, Select Plating), and high-tensile Phosphor Bronze contact material.

Drawing

Classic Applications

Industrial Stacking & Controls: Multi-layer board architectures, PLC controllers, and high-vibration rugged automation panels.
Power Electronics & Inverters: Solar power inverters, DC-DC converter boards, and smart power management modules requiring heat dissipation gaps.
Telecommunications: Advanced networking hubs, outdoor communication base stations, and automated telecom server modules.
Medical Diagnostic Devices: Portable imaging medical equipment, internal monitor electronics, and critical laboratory analytical hardware.
Automotive Control Units: In-dash electronic systems, smart fleet tracking systems, and telematics modules requiring vibration-proof surface mount designs.