Y1251

Wire-to-Board Connectors | 1.25mm Crimp-Style Wire-to-Board SMT Connector

Core Advantages

• Universal Compatibility: 1.25mm standard pitch, compatible with mainstream compact device wire-to-board connection scenarios.
• Efficient Wiring: Dedicated crimp terminal design enables solder-free quick wiring, greatly improving assembly efficiency.
• Secure Connection: Reinforced solder tab structure, SMT mounting with vibration resistance, preventing loosening.
• Reliable Materials: Phosphor bronze terminals with excellent conductivity and elasticity; flame-retardant housing for enhanced safety.
• Complete Kit Supply: Male headers, housings, and terminals supplied as a one-stop package for convenient selection.
• Production Friendly: Standard SMT design compatible with automated assembly lines, ensuring stable mass production.

Product Introduction

Y1251 Series is YQM's 1.25mm pitch wire-to-board SMT connector. Featuring LCP/PA66 flame-retardant housing with phosphor bronze tin-plated terminals, it includes dedicated crimp terminals and housings compatible with AWG#26~30 wire. Covering 2–18 Pin multi-specification options, it is purpose-designed for fast, stable wire-to-PCB interconnection in compact devices.

Key Specifications

• Product Type: 1.25mm Crimp-Style Wire-to-Board SMT Connector
• Pitch: 1.25mm
• Compatible Wire Gauge: AWG#26 to #30
• Housing Material: LCP / PA66 (Flame-Retardant Grade)
• Terminal Material: Phosphor Bronze, Tin-Plated
• Structural Features: Crimp-Type, SMT Mount, Reinforced Solder Tabs
• Pin Count Options: 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 / 18 Pin

Mating Connectors & Accessories

• Male Wafer: Y1251WVS-XXHF-LPSN, Y1251WRS-XXHF-LPSW
• Housing: Y1251H-XX-NO
• Terminal: Y1251T-PSN, Y1251T-PW01
• Mating Pair: Y1251W Series Wafer ↔ Y1251H Series Housing, standard intermateable

Alternative Products and Reasons

• JST (Japan) - Series: GHR Series (1.25mm crimp-style wire-to-board)
• JAE (Japan) — 1.25mm crimp wire-to-board series
• HIROSE (Japan) — 1.25mm wire-to-board connector series

Pin-to-pin compatible, directly replaces JST GHR Series, JAE 1.25mm crimp series, HIROSE 1.25mm wire-to-board connectors of the same type.

Pitch, pin count, structural dimensions fully equivalent to imported 1.25mm crimp-style connectors.

1:1 package and pad compatibility — no PCB redesign needed, rapid replacement.

20%–40% procurement cost reduction with significant BOM optimization.

Domestic mass production with ample stock, stable lead times, and zero supply disruption risk.

Flame-retardant materials + tin-plated terminals ensure reliability; local FAE provides end-to-end support.

Applications

• Bluetooth Speakers, TWS Earphone Cables
• Small Appliance Control Boards, Smart Home Sensor Wiring
• Compact Digital Accessories, Industrial Mini Motherboards
• Security Camera Wiring Connections

Certifications & Agency Services

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

Related Products

Explore our complete Wire-to-Board Connectors collection:

→ View All Wire-to-Board Connectors

Get Y1251 Series Samples & Technical Solutions

Click the button below to contact customer service for selection