fiw ( Fully Insulated Wire )
TECHNICAL DATA FOR FIW ACCORDING TO IEC 60317-56
IEC 60317-56 describes the full enamelled wire specification including diameters, outer diameters, mechanical, electrical, thermal and other properties such as solderability.
| Test parameter | Test method | Specification values for 0.30 mm FIW 6 | Typical values for 0.30 mm FIW 6 |
|---|---|---|---|
| Mechanically | |||
| extension | IEC 60 851-3.1 | ≥ 23 % | 56 % |
| Zugfestigkeit | IEC 60 851-3.2 | not specified | 310 N/mm² |
| Springback | IEC 60 851-3.4.1 | not specified | 68° |
| Solderability | |||
| at 390 °C | IEC 60 851-4.5 | ≤ 4 sec | ≤ 3.0 sec |
| Heat values | |||
| Temperaturindex | IEC 60 172 | ≥ 180 °C | 192 °C |
| Heat shock | EC 60 851-6.3.1.1 | ≥ 200 °C | 220 °C/6 mm Dorn |
| Cut through | IEC 60 851-6.4 | ≥ 245 °C | ≥ 260 °C |
| Breakdown voltage (cylinder) | |||
| Volt | min. 10032 V | > 15 kV | |
| V/µm at room temperature | IEC 60 851-5.4.3.2 | min. 76 V/µm | > 100 V/µm |
| at 180°C | IEC 60 851-5.4.3.2 | min. 53 V/µm | 74 V/µm |
| (Volt per µm insulation increase) |
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TEST CONDITIONS FOR FIW ACCORDING TO UL 2353 (UL 60950)
UL 60950 is replaced by UL 62368.
UL 2353, which is very similar to the expired IEC 60950 Annex U, primarily describes electrical properties, mostly based on short-term tests.
| Test conditions | acc. to UL 2353 No. |
Typical values for 0.30 mm FIW 6 |
|---|---|---|
| U2.1 Electrical Strength | 9 | 6000 Vrms 1 min. (twisted pair) |
| U2.2 Adherence and Flexibility | 10 | 3000 Vrms 1 min (mandrel) |
| U2.3 Heat Shock | ||
| 225 °C x 30 min for Class B | 12 | 3000 Vrms 1 min. (mandrel) |
| 240 °C x 30 min for Class F | ||
| U2.4 Retention of electrical strength after bending | 11 |
3000 Vrms 1 min. (mandrel) |
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