Nok Corporation
Nok Heat-Resistant FPC
Manufacturer: Nok.
Features
- Three grades are available according to the operating temperature.
- It can withstand up to 150°C.
* If you have a request of 150°C or higher, please contact NOK or Mektech. - It has a wealth of experience in use in the automotive industry, which has strict heat resistance requirements.
| Item | TAF-A | TAF-K | TAF-S |
|---|---|---|---|
| Grade | General FPC | Heat resistance FPC | High heat resistance FPC |
| Adhesive | Epoxy type | Epoxy type | Fluorine type |
| Operating temperature range | minus 40〜105 °C | minus 40〜125 °C | minus 40〜150 °C |
| Main application areas | General environment (e.g. inside vehicle) | Daylight, rear lamps, inverters, sensors, etc. | Engine room, head lamps, sensors, etc. |
| Structure | – Cover film (polyimide) – Adhesive – Copper foil – Adhesive – Base film (polyimide) | – Cover film (polyimide) – Heat-resistant adhesive – Copper foil – Heat-resistant adhesive – Base film (polyimide) | – Cover film (polyimide) – Heat-resistant adhesive – Copper foil – Base film (polyimide) |
Comparison of specifications of 3 grades according to the operating temperature
Tear strength of cover film after 105°C air heating degradation test (N/mm)
Tear strength of cover film after 150°C air heating degradation test (N/mm)
Thermal Aging Data (Initial vs After 3,000 Hours)
| FPC Type | 105°C Initial | 105°C After 3,000 hrs. | 125°C Initial | 125°C After 3,000 hrs. | 150°C Initial | 150°C After 3,000 hrs. |
|---|---|---|---|---|---|---|
| TAF-A | 0.81 | 0.69 | 0.81 | 0.19 | — | — |
| TAF-K | — | — | 0.56 | 0.52 | 0.56 | 0.31 |
| TAF-S | — | — | — | — | 0.98 | 0.67 |
