Primary Materials | Typical Tg Value (DSC) | Common Application | Material Example |
Fiberglass (un-woven) & epoxy | ∼130C | Low cost 1-2 layers | KB-7150 |
Feature | Parameter (in) | Parameter (mm) |
Layers | 1 – 2 | 1 – 2 |
Max Board Size | 24” x 40” | 609.6 x 1016mm |
Min Board Thickness – 1-2 (layers) | 32mil | 0.8mm |
Board Thickness Range | 32 – 80mil | 0.8 – 2mm |
Max Copper Thickness | 2oz | 70um |
Min Line Width / Space | 4mil / 4mil | 0.1 / 0.1mm |
Min Hole Size | 8mil | 0.2mm |
PTH Dia. Tolerance | ±2mil | ±0.05mm |
NPTH Dia. Tolerance | ±1mil | ±0.025mm |
Hole Position Deviation | ±4mil | ±0.1mm |
Outline Tolerance | ±4mil | ±0.1mm |
S/M Pitch | 3mil | 0.08mm |
Aspect Ratio | 8:1 | 8:1 |
Thermal Shock | 5 x 10Sec @288 | 5 x 10Sec @288 |
Warp & Twist | <= 0.7% | <= 0.7% |
Flammability | 94V-0 | 94V-0 |
Primary Materials | Typical Tg Value (DSC) | Common Application | Material Example |
Cotton paper & epoxy | ∼100C | Low cost 1 layer | KB-5150 |
94V-0 Feature | Parameter (in) | Parameter (mm) |
Layers | 1 | |
Max Board Size | 24” x 40” | 609.6 x 1016mm |
Min Board Thickness – 1-2 (layers) | 32mil | 0.8mm |
Board Thickness Range | 32 – 80mil | 0.8 – 2mm |
Max Copper Thickness | 2oz | 70um |
Min Line Width / Space | 4mil / 4mil | 0.1 / 0.1mm |
Min Hole Size | 8mil | 0.2mm |
PTH Dia. Tolerance | ±2mil | ±0.05mm |
NPTH Dia. Tolerance | ±1mil | ±0.025mm |
Hole Position Deviation | ±4mil | ±0.1mm |
Outline Tolerance | ±4mil | ±0.1mm |
S/M Pitch | 3mil | 0.08mm |
Aspect Ratio | 8:1 | 8:1 |
Thermal Shock | 5 x 10Sec @288 | 5 x 10Sec @288 |
Warp & Twist | <= 0.7% | <= 0.7% |
Flammability | 94V-0 | 94V-0 |
Primary Materials | Typical Tg Value (DSC) | Common Application | Material Example |
Phenolic paper | N/A | Low cost 1 layer | KB-3150 |
Feature | Parameter (in) | Parameter (mm) |
Layers | 1 | 1 |
Max Board Size | 24” x 40” | 609.6 x 1016mm |
Min Board Thickness – 1-2 (layers) | 32mil | 0.8mm |
Board Thickness Range | 32 – 80mil | 0.8 – 2mm |
Max Copper Thickness | 2oz | 70um |
Min Line Width / Space | 4mil / 4mil | 0.1 / 0.1mm |
Min Hole Size | 8mil | 0.2mm |
PTH Dia. Tolerance | ±2mil | ±0.05mm |
NPTH Dia. Tolerance | ±1mil | ±0.025mm |
Hole Position Deviation | ±4mil | ±0.1mm |
Outline Tolerance | ±4mil | ±0.1mm |
S/M Pitch | 3mil | 0.08mm |
Aspect Ratio | 8:1 | 8:1 |
Thermal Shock | 5 x 10Sec @288 | 5 x 10Sec @288 |
Warp & Twist | <= 0.7% | <= 0.7% |
Flammability | 94V-0 | 94V-0 |