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ThunderClad 2

Very Low Loss and High Thermal Reliability Material
Core: TU-883; Prepreg: TU-883P

ThunderClad 2 ( TU-883 ) is a very low loss category material based on a high performance modified FR-4 resin. This material is reinforced with regular woven E-glass and designed with very low dielectric constant and dissipation factor resin system for high speed low loss, radio frequency and wireless applications. ThunderClad 2 material is suitable for environmental protection lead free process and also compatible with FR-4 processes. ThunderClad 2 laminates also exhibit excellent moisture resistance, improved CTE, superior chemical resistance, thermal stability and CAF resistance.

Main Applications
  • Radio frequency
  • Backplane, High performance computing
  • Line cards, Storage
  • Servers, Telecom, Base station
Key Features
  • Excellent electrical properties
  • Dielectric constant less than 4.0
  • Dissipation factor less than 0.005
  • Stable and flat Dk/Df performance
  • Compatible with modified FR-4 processes
Property Typical Values
Tg (DMA) 220°C
Tg (TMA) 170°C
Td (TGA) 420°C
CTE z-axis (50 to 260 °C) 2.5%
T-260/ T288/ T300 > 60 min/ > 60min/ > 60min
Permittivity (RC 63%) @10GHz 3.57
Loss Tangent (RC 63%) @10GHz 0.0046

 

Industry Approvals
  • UL File Number: E189572
  • ANSI Grade: NO-ANSI
  • Flammability Rating: 94V-0
  • Maximum Operating Temperature: 130°C
Standard Availability
  • Thickness: 0.002"[0.05mm] to 0.062"[1.58mm], available in sheet or panel form
  • Copper foil cladding: 1/3 to 5 oz for built-up & double sides
  • Prepregs: Available in roll or panel form
Property

PDF Downloads

Datasheet