Y0400

Board-to-Board Connectors | 0.40mm Precision Board-to-Board (BTB) Connector

Core Advantages

• Precision Compact: 0.40mm fine pitch with compact dimensions, maximizing PCB layout space savings.
• Excellent Signal Quality: Gold-plated terminals, contact resistance ≤10mΩ, delivering low-loss and stable signal transmission.
• Safe & Flame-Retardant: Housing material achieves UL 94V-0 flame-retardant rating for high safety.
• Precision Mating: Tight dimensional tolerances, smooth mating, compatible with standard PCB layouts.
• Rich Selection: Multiple pin count options covering mainstream micro-device needs, male/female pairs ready for immediate use.
• Local Advantage: Stable mass production, short lead times, outstanding cost-effectiveness vs. imported alternatives.

Product Introduction

Y0400 Series is YQM's 0.40mm pitch precision board-to-board (BTB) connector, featuring UL 94V-0 flame-retardant LCP plastic housing with copper alloy gold-plated terminals. Purpose-built for miniaturized, high-density PCB-to-PCB precision interconnection, it offers a comprehensive range of standard pin count options to meet the slim, board-level connection requirements of micro smart devices.

Key Specifications

• Product Type: 0.40mm pitch Board-to-Board (BTB) Connector
• Rated Voltage / Current: 30V AC / 0.3A AC
• Withstanding Voltage: 100V AC/minute
• Insulation Resistance: ≥50MΩ (Min)
• Contact Resistance: ≤10mΩ (Max)
• Pitch: 0.40mm
• Housing Material: LCP (UL 94V-0)
• Terminal Material: Copper Alloy, Gold-Plated
• Pin Count Options: 10 / 12 / 16 / 20 / 24 / 30 / 34 / 40 / 50 Pin

Mating Connectors & Accessories

• Male Header (Plug): Y0400WVS-XX-LPV01
• Female Receptacle: Y0400FVS-XX-LPV01
• Mating Pair: Y0400W Series ↔ Y0400F Series, standard intermateable

Alternative Products and Reasons

• JAE (Japan) — 0.40mm pitch BTB connector series
• HIROSE (Japan) — 0.40mm precision BTB series
• I-PEX (Japan) — 0.40mm pitch compact BTB series

Direct replacement for JAE, HIROSE, I-PEX and other 0.40mm pitch board-to-board connectors of the same type.

Electrical and mechanical performance fully equivalent to imported models.

Package and pad layouts fully compatible — no PCB redesign required for rapid swap-in.

20%–40% procurement cost reduction with optimized BOM.

Locally mass-produced with ample stock and stable lead times — no supply disruption risk.

Gold-plated + flame-retardant materials ensure reliability; local FAE provides full technical support throughout.

Applications

• Consumer Electronics: Smartphones, tablets, laptops (display FPC connections)
• Smart Wearables: Smart watches, TWS earbuds (battery FPC connections)
• Home Appliances: Washing machines, air conditioner control boards (display module connections)
• Automotive: Car navigation systems, dashcams (display FPC connections)

Certifications & Agency Services

• Certifications: RoHS, Halogen-Free
• Agency Services: YQM Electronics, authorized XKB distribution. 100M+ units in stock, sample delivery within 48 hours, professional connector selection support. Contact: 400-1886-553

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