insulated copper foil 1. Insulated Material: PET, PEN, Nomex, Kapton 2. Thickness: 0.023-0.050mm

Specification of Pre-insulated Copper Foil: 1. Standard:  Regard of different insulated coating material, the thermal endurance class are B, F, H in according to RoHS-2002/95/EC2. Delivery State: With 100 and 200m copper foil round on the inner diameter of 76mm coil core3. Storage Condition: No more than 6 months, under the dry and cool environment condition about 20°C

Raw material/insulated coating	Thickness(mm)	Width(mm)	Dielectric Strength(KV)	Thermal Endurance Class
Copper Foil	0.035-0.300	6-50	-	-
PET	0.030	6-50	6.4	B, 130°C
PEN	0.023	6-50	4.5	F, 155°C
Nomex	0.050	6-50	2.0	F, 155°C
Kapton	0.025	6-50	6.0	H, 180°C

Applications of Pre-insulated Copper Foil:- Transformer- Inductor- Choke- Reactor Advantages of Pre-insulated Copper Foil:- Reduces the necessary cross section of copper because of optimal shape in comparison to round wires- Ease of getting admittance for a winding construction due to the optimal safety- More reliable due to reduction of vibration, better thermal conductivity - Prevents danger of short circuit between primary and secondary windings