F4T-1/2: A High-Performance Circuit Baseplate for Microwave PCBs
F4T-1/2 is a specialized circuit baseplate constructed from insulative Teflon PCB, featuring electrolytic copper foil on both sides. The material undergoes high-temperature and high-pressure treatment to ensure optimal performance. This product boasts superior electrical properties, such as low dielectric constant and minimal loss, coupled with excellent mechanical strength, making it an ideal choice for Microwave PCB applications.
Specifiche tecniche
Aspetto
- Adheres to the general requirements for microwave PCB baseplates.
Dimensioni (mm)
- Standard sizes include 150150, 220160, 250250, E 200300.
- Le dimensioni personalizzate sono disponibili su richiesta.
Spessore e tolleranza
- Available thicknesses: 0.5± 0,05, 1± 0,1, 1.5±0.15, 2± 0,2, 3±0.3 mm.
- Plate thickness includes copper layer; custom laminations are possible for special requirements.
Proprietà meccaniche
- Angularity: 0.02mm/mm for double-layer boards.
- Cutting/Punching Property: No burrs post-cutting; minimum hole spacing of 0.55mm.
- Forza della pelatura: ≥18N/cm normally; ≥6 N/cm under constant humidity and temperature conditions.
Proprietà chimiche
- Suitable for standard PCB chemical etching processes without altering material dielectric properties.
Proprietà elettriche
| Nome | Test Conditions | Unità | Specification |
|---|---|---|---|
| Gravity | Stato normale | g/cm³ | 2.2–2.3 |
| Water absorption rate | Dip in distilled water at 20±2°C for 24h | % | ≤0.01 |
| Operating temperature | High-low temp chamber | ° C. | -100～+150 |
| Thermal conductivity coefficient | Kcal/m.h.°C | 0.4 | |
| Coefficient of thermal expansion | Temp rise 96°C/hr | *1 | 9.8–10*10^-5 |
| Shrinkage factor | 2 hours boiling water | % | 0.0005 |
| Surface insulation resistance | 500In DC, normal state | Mω | ≥1*10⁷ |
| Umidità e temperatura costanti | Mω | ≥1*10⁵ | |
| Volume resistance | Stato normale | Mω.cm | ≥1*10¹⁰ |
| Umidità e temperatura costanti | Mω.cm | ≥1*10⁷ | |
| Pin resistance | 500In DC, normal state | Mω | ≥1*10⁵ |
| Umidità e temperatura costanti | Mω | ≥1*10⁵ | |
| Resistenza dielettrica superficiale | Stato normale | δ=1mm(kV/mm) | ≥1.5 |
| Umidità e temperatura costanti | δ=1mm(kV/mm) | ≥1.4 | |
| Permittivity | 10GHz | εr | 2.2(± 2%) |
| Dielectric loss angle tangent | 10GHz | Tgside | ≤1*10^-3 |
This comprehensive overview highlights F4T-1/2’s technical prowess, ensuring it meets stringent industry standards for microwave PCB baseplates.