Y3500

Board-to-Board Connectors | 0.35mm Ultra-Thin Board-to-Board (BTB) Connector

Core Advantages

• Ultra-Thin & Compact: 0.35mm fine pitch + 0.7mm ultra-low stacking height, maximizing PCB layout space savings.
• Electrically Reliable: 3A high current capacity with low contact resistance, ensuring stable signal and power transmission.
• Safe & Flame-Retardant: Housing material achieves UL 94V-0 flame-retardant rating for enhanced safety.
• Precision Fit: Tight dimensional tolerances, precise mating, compatible with standard PCB layouts for easy integration.
• Flexible Selection: Multiple pin count options covering mainstream applications, male/female pairs ready for immediate use.

Product Introduction

Y3500 Series is YQM's 0.35mm pitch ultra-thin board-to-board (BTB) connector, engineered for high-density, compact PCB-to-PCB interconnection designs. Featuring UL 94V-0 flame-retardant LCP plastic housing with copper alloy terminals, a stacking height of only 0.7mm, and a comprehensive range of pin count options, it fully meets the board-level stable connection requirements of slim consumer electronics, smart hardware, and other compact devices.

Key Specifications

• Product Type: 0.35mm pitch Board-to-Board (BTB) Connector
• Rated Voltage: 30V AC/DC
• Rated Current: 3A AC/DC
• Withstanding Voltage: 100V AC/minute
• Contact Resistance: ≤90mΩ (Max)
• Stacking Height: 0.7mm
• Pitch: 0.35mm
• Housing Material: LCP (UL 94V-0)
• Terminal Material: Copper Alloy
• Operating Temperature: -35°C to +85°C
• Pin Count Options: 10 / 24 / 30 / 34 / 38 / 40 / 45 / 50 / 60 Pin

Mating Connectors & Accessories

• Male Header (Plug): Y3500WVS-XXX-LPV01
• Female Receptacle: Y3500FVS-XXX-LPV01
• Mating Pair: Y3500W Series ↔ Y3500F Series, standard intermateable

Alternative Products and Reasons

• JAE (Japan) - Series: WP27D (0.35mm pitch, 3A high current, full pin count coverage)
• HIROSE (Japan) - Series: BM15FR (0.35mm pitch, 0.7mm stacking height, ultra-thin compact type)
• Panasonic (Japan) - Series: R35K (0.35mm pitch, 3A power terminals, slim device optimized)
• I-PEX (Japan) - Series: NOVASTACK 35-HDN (0.35mm pitch, 0.7mm stacking height, high-density BTB)

Fully equivalent performance — 0.35mm pitch / 0.7mm stacking height / 3A rated / 100V withstanding / contact resistance ≤90mΩ, with electrical and mechanical performance identical to imported models.

Drop-in replacement — PCB pad layouts, package dimensions, and tolerance standards are fully compatible. Replace without redesigning boards or retooling, enabling rapid production ramp-up.

Significant cost reduction — 20%–40% lower procurement cost compared to imported brands, offering substantial BOM optimization.

Stable supply — Domestic large-scale mass production ensures ample stock, short lead times, completely avoiding risks of import shortages and shipping delays.

Applications

• Smartphones: Main board ↔ sub-board, camera modules, battery connections
• Tablets / Notebooks: Display cable interfaces, functional daughter board interconnections
• TWS Earphones & Charging Cases, Smart Watches / Bands
• Smart Home: Control modules, gateways, compact sensors
• Portable Medical: Health monitoring devices, miniature medical equipment
• Automotive Electronics: Infotainment sub-boards, dashboard low-voltage connections

Certifications & Agency Services

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

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