Board to Board SMT Connector

Longyd offers a complete range of board-to-board SMT connectors from 0.4mm to 0.8mm pitch, engineered for high-density PCB stacking, parallel board interconnects, and mezzanine applications. Our B2B SMT connector series supports dual-slot, dual-row, and high-current configurations to meet the demands of modern electronic assemblies in consumer, industrial, and automotive systems.

All connectors feature high-temperature LCP housings (UL94V-0 rated), gold-plated contacts for low contact resistance, and full compatibility with automated pick-and-place assembly and lead-free reflow soldering processes.

Product Range

0.4mm Pitch High Current B-to-B Battery Connector — high-current B2B battery connector
0.8mm Board-to-Board Connector – Dual-Slot SMT Type — compact dual-slot design
0.5mm Board-to-Board Connector — fine-pitch stacking solution

Selection Guide

PitchConfigurationCurrentBest For

0.4mmDual-row, high-currentUp to 5A per pinBattery packs, power modules
0.5mmDual-slot / dual-row0.3A-0.5A per pinSmartphones, wearables, compact PCBs
0.8mmDual-slot SMT0.5A per pinIndustrial control boards, medical devices

Key Features

SMT auto-assembly compatible with reflow soldering profiles up to 260°C peak
Low-profile designs from 1.5mm to 3.0mm stack height for space-critical enclosures
Gold-plated contact interface ensures stable resistance below 20mΩ over 500+ mating cycles
Polarized housings prevent mis-mating during production assembly
Custom stacking heights, plating thickness, and tape-and-reel packaging available for OEM orders

Application Scenarios

Consumer Electronics: Tablet mainboards, drone flight controllers, wearable device PCBs
Industrial Control: PLC modules, HMI display boards, sensor interface cards
Automotive: Infotainment system boards, ADAS module interconnects, dashboard controllers
Medical: Portable diagnostic equipment, patient monitor control boards

B2B Supply from Longyd

As a direct manufacturer, Longyd offers competitive factory pricing, free samples for qualification, and flexible MOQ from 100 pcs. Standard products ship within 3-7 working days. Contact our engineering team for technical drawings, cross-reference support, and bulk pricing.

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