Product Specifications
Pin Count & Pitch
Standard pitch: 1.27mm.
Pin count: 4–100 pins (2×2 up to 2×50 pins).
Example: Model KH-1.27FH-2X18P-H4.3-SMT – 2 rows × 18 pins.
Insulator heights: 2.0mm, 3.4mm, 4.4mm, 5.7mm, etc.
Some models include positioning pins for higher mounting accuracy.
Key Electrical Performance
Rated current: 1A (industry standard).
Maximum contact resistance: ≤ 20 mΩ for low signal loss.
Insulation resistance: up to 1000 MΩ.
Withstand voltage: 500V AC.
Effectively prevents leakage and signal interference for stable transmission.
Temperature Resistance
PBT insulator: withstands 180°C for 30–60 seconds
PA6T insulator: withstands 230°C for 30–60 seconds
Suitable for SMT reflow soldering.
Operating temperature:
Standard: -40°C to +105°C
PA9T / LCP versions: -55°C to +125°C for extreme environments.
Material & Process Details
Contacts & Insulator
Contacts: phosphor bronze with excellent conductivity and elasticity.
Surface finish: nickel underplating + gold or tin plating.
Minimum gold thickness: 1μm; minimum nickel underlayer: 30μm.
Insulators: PBT, PA6T, LCP, UL94 V-0 flame retardant.
Some versions reinforced with 30% glass fiber for higher strength.
Mass Production Compatibility
Designed for SMT process.
Some models with metal pick-and-place cover and positioning pins for automatic assembly.
Packaging: tape-and-reel or tube packaging.
Supports synchronous processing with other SMT components.
Most products comply with RoHS.
Typical Applications
Thanks to high-density connection and stable transmission, it is widely used in:
Industrial: PLC control boards, motor drive modules
Medical: monitors, portable testing instruments
Automotive: car navigation panels, infotainment systems
Consumer electronics: smartphones, tablets
Communications: signal transmission modules
Ideal for compact layout and reliable connection in various devices.
