Intro to Plastic Insulators of Board-to-board Connectors
This post GREENCONN will introduce the plastic insulators of board-to-board connectors.
Plastic Insulators
Plastic insulators are fundamental to board-to-board connectors. They are used to hold the conductors, or pins, together to create the desire shapes of the connectors. Different insulators also perform differently regarding to the weatherability, chemical resistance, and strength.
Common Insulators
Polybutylene Terephthalate (PBT)
Excellent dielectric strength under high temperature (230°C) and high humidity
Great formability with low shrinkage rate
Low flammability
Halogen-free available
Great impact strength
Acrylonitrile butadiene styrene (ABS)
Good impact toughness even at low temperature
Great wear resistance against rough surface
Shiny appearance
Economical
Insulators for High temperature(SMT-Grade).
High Performance Polyamide (PA 46 , PA 6T)
Temperature rating, PA46 290°C, PA6T 320°C
Good elongation
Great wear resistance.
High rigidity, even at high temperature.
Halogen-free available
Liquid-Crystal Polymer (LCP)
Temperature rating between 290-320°C
Great dimensional stability and weatherability.
Highly inert.
Great moldability, popular for designs require high precision.
low flammability (UL 94V-0)
Halogen-free available
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