2.54mm Pitch Board Spacer Single Row Straight Type | ELETE HMNSSH Series-ELETE | Professional Connector Manufacturer

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2.54mm Pitch Board Spacer Single Row Straight Type | ELETE HMNSSH Series

High-Reliability Single Row PCB Stacking Connectors with Customizable Pin Lengths

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HMNSSH25-A001

Serial Number：HMNSSH25-A001

A versatile, high-performance 2.54mm pitch single row board spacer designed for precise PCB stacking and secure vertical board-to-board connections.

Feature	Specification
Model	HMNSSH25-A001
Pitch	2.54mm(0.1'')
Product Type	Board Spacer / PCB Stacking Header
Gender	Male Header, Pin Header
Rows	Single Row
Insulator Height	1.5mm 2.0mm, 2.54mm
Number of Pins	2 to 40 Pins per Row
Mounting Type	DIP, Straight Type (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:

Flexible PCB Stacking: Features a dual-insulator design acting as a board spacer, allowing engineers to define precise vertical spacing (H=1.5mm or H=2.5mm) between parallel PCBs.
Highly Customizable Dimensions: Supports variable pin lengths and pin counts from 2 to 40 positions to fit specific multi-layer board design requirements.
Premium Material & Process Friendly: Available with LCP or NL6T high-temperature nylon (UL 94V-0), making it fully compatible with wave soldering and reflow processes.
Excellent Connectivity Options: Offers Gold Flash, Gold 3U", or selective plating, with contact material choices of Brass or Phosphor Bronze for optimal conductivity and corrosion resistance.
Environmentally Compliant: 100% RoHS & REACH compliant, with halogen-free options available to meet eco-friendly manufacturing initiatives globally.

Drawing

Classic Applications

This straight-type board spacer is ideal for applications requiring multi-board nesting, compact vertical integration, or mezzanine stacking:

Industrial Controls: Multi-layer PLC stacks, industrial power supplies, and control mainboards.
Smart Metering & IoT: Grid meters, smart utility devices, and IoT gateway stack boards.
Power & Energy Systems: Inverter control boards, UPS systems, and power distribution modules.
Automotive Electronics: Dual-board electronic control units (ECUs), sensor clusters, and infotainment stacks.
Telecommunications: Network switches, high-density line cards, and base station modules.