INSULATING MATERIALS TFUER-T312

TFUER-T312 (FR4)

* Insulating Materials

T312 is one of the most widely used materials for printed circuit boards (PCBs). It is a fiberglass-reinforced epoxy resin laminate and is the standard material used for most PCBs in the electronics industry.

Key Features

  1. Electrical Insulation: Like T311, T312 is an excellent electrical insulator, making it perfect for the production of PCBs and other electronic components that require insulating properties.
  2. High Mechanical Strength: T312 offers good structural strength and rigidity, which helps prevent PCB warping and bending under mechanical stress.
  3. Flame Resistance: The “FR” in FR4 stands for Flame Retardant. This means the material has a high resistance to fire, making it a safe choice for applications where fire resistance is important.
  4. Thermal Stability: T312 can tolerate moderate temperatures (usually up to around 130°C) and is relatively stable under heat stress. However, it is not as heat-resistant as other materials like ceramic or metal composites.
  5. Chemical Resistance: T312 has good resistance to most chemicals, making it suitable for use in environments where exposure to solvents, oils, or other chemicals is a concern.

Applications

  • Printed Circuit Boards (PCBs): T312 is primarily used in PCBs due to its electrical insulating properties, strength, and thermal stability. It is the standard material for most consumer electronics.
  • Connector Insulation: T312 is used to insulate connectors, switches, and relays in electronic assemblies.
  • Electrical Enclosures: It is commonly used for electrical enclosures and insulating components in various electronic devices.

Advantage

  • Availability and Cost: T312 is one of the most widely available and cost-effective PCB materials, making it the go-to choice for most electronic applications.
  • Versatility: T312 can be manufactured with varying thicknesses and grades, providing versatility in different applications.
  • Ease of Processing: T312 is easy to work with during the PCB manufacturing process, allowing it to be drilled, milled, and etched easily to create detailed circuit patterns.
Technical Data Sheet
T312 also known as FR4 laminates

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