WL-CT350 Product Overview

Product Composition and Applications

WL-CT350 is made of organic polymer, ceramic filler, and glass fiber cloth through scientific preparation and strict process. It is a thermosetting material, and its performance is comparable to similar foreign products. It is suitable for 4G, 5G, base station antennas, automotive radars and sensors, 전력 증폭기, microwave devices, high-reliability radars, military communication devices, satellite tuner, 등.

WL-CT350 Product Parameters

Exterior and Model Number

Meet the requirements of the national military standard for microwave printed circuit substrate materials.
Model number: WL-CT350

Dielectric Constant and Dimensions

유전 상수 (10GHZ): 3.48±0.05. Dielectric loss tangent value (10GHZ): 0.004.
치수(mm): 610460, 600500, 915*1224. Special size can be pressed according to customer requirements.

Copper Foil Optional Specifications and Thickness

Forward copper foil: 0.5온스, 1 온스.
Media thickness (mm): 0.102, 0.168, 0.254, 0.338, 0.422, 0.508, 0.762, 1.016, 1.524.
용인 (mm): ±0.01, ±0.015, ±0.02, ±0.03, ±0.03, ±0.03, ±0.05, ±0.05, ±0.08. Special thickness can be customized: starting from 0.508mm thickness, increasing with 0.0838mm thickness.

Mechanical Behavior

Copper foil peeling strength(10지): WL-CT350 – 9N/cm.
Thermal Stress: Dip tin, 280 degree Celsius*10s, ≧3 times, 박리 없음, no blistering.

화학적 성질

According to the characteristics of the substrate, the circuit can be processed by referring to the chemical corrosion method of the printed circuit, and the dielectric properties of the material will not change.

Physical Electrical Properties

Indicator Name and Test Conditions

Tg (TMA): >280 degree Celsius. Td (TGA): 386 degree Celsius. Proportion (Normal): 1.9. Water absorption (Soak in distilled water at 20±2 degree Celsius for 24 hours): 0.05%. Operating temperature (High and low temperature box): -50～+260 degree Celsius. Thermal conductivity: 0.70 Kcal/mh degree Celsius. Thermal expansion coefficient (Typical value, -55 º～288ºC): X=11 ppm/ºC, Y=14 ppm/ºC, Z=34 ppm/ºC. Surface insulation resistance (500V DC, Normal): ≥4108 M.Ω. Constant heat and humidity: ≥1107 M.Ω. Volume resistance (Normal): ≥1109 MΩ.cm. Constant heat and humidity: ≥1108 MΩ.cm. Temperature Coefficient of Dielectric Constant (-50 º～150ºC): 52 PPM/ºC. Dielectric loss tangent (2.5GHZ tgδ): 0.0032. Dielectric loss tangent (10GHZ tgδ): 0.0040. Flame retardant: 94다섯-0.

WL-CT350 Features

Superior Material Composition

Organic polymer ceramic fiberglass cloth is a thermosetting resin system, which has better hardness than PTFE thermoplastic resin system and has a good loss value.

Stable DK and DF Values

The values of DK and DF are stable, and DK/DF changes little as the frequency increases.

Excellent Electrical and Thermal Conductivity

Excellent electrical performance, excellent thermal conductivity, better insulation performance, and heat treatment ability than PTFE materials.

Compatibility with FR-4 Processing Technology

Compatible with FR-4 processing technology, without plasma treatment, processing technology is relatively simple, compatible with most PP sheets, PCB processability is excellent, especially suitable for PCB multi-layer board processing.

Improved Reliability and Dimensional Stability

The low thermal expansion coefficient improves the reliability and dimensional stability of plated through holes.

Lead-Free Soldering Process Compatibility

Especially suitable for lead-free soldering process.