IsoClad 933 2-Layer High-Frequency PCB for RF and Military Electronics
1.Introduction
IsoClad 933is a premium PTFE-based laminate designed for high-frequency printed circuit boards. This 2-layer PCB material combines nonwoven fiberglass reinforcement with PTFE's exceptional electrical properties, offering outstanding signal integrity for RF, microwave, and defense electronics.
2.Key Features
Low Dielectric Constant: 2.33 at 10GHz for minimal signal loss
Ultra-Low Dissipation: 0.0016 loss tangent at high frequencies
Thermal Stability: -132 ppm/°C thermal coefficient of dielectric constant
Mechanical Strength: 10 lbs/inch peel strength for durability
High Voltage Resistance: >45 kV dielectric breakdown
Flame Retardant: UL94 V-0 certification
3.PCB Construction Specifications
| Parameter | Specification |
|---|---|
| Base Material | IsoClad 933 |
| Layers | 2 |
| Board Size | 50mm × 60mm (±0.15mm) |
| Trace/Space | 4/4 mils |
| Min Hole Size | 0.25mm |
| Board Thickness | 0.8mm |
| Copper Weight | 1oz (outer layers) |
| Via Plating | 20 μm |
| Surface Finish | ENIG |
| Silkscreen | None (Top/Bottom) |
| Solder Mask | None (Top/Bottom) |
| Electrical Test | 100% tested |
4.PCB Stackup:
Copper layer 1 - 35 μm IsoClad 933 Core - 31mil (0.787 mm) Copper layer 2 - 35 μm
5.Board Statistics
Components: 16
Total Pads: 35
Thru Hole Pads: 21
Top SMT Pads: 14
Bottom SMT Pads: 0
Vias: 16
Nets: 2
6.Manufacturing & Quality Standards
Artwork Format: Gerber RS-274-X
Quality Standard: IPC-Class 2
Availability: Worldwide shipping
7.Technical Advantages
Less rigid than woven fiberglass, suitable for flexible applications.
Highly isotropic in X, Y, and Z directions for consistent performance.
8.Target Applications
Conformal antennas
Stripline and microstrip circuits
Missile guidance systems
Radar and electronic warfare systems