Class 220 Polyamideimide Film-Insulated Rectangular and Square Copper Wire

Insulating Material: The coating is based on polyamideimide resins.

Dimensions:

Film-Insulated Rectangular Magnet Wire Increase in Thickness and Width Due to Film Coating

Build	Increase in Width				Increase in Thickness
	Minimum		Maximum*		Minimum		Maximum*
	inches	mm	inches	mm	inches	mm	inches	mm
Heavy	0.0025	0.064	0.0045	0.114	0.0030	0.076	0.0050	0.127
Quad	0.0040	0.102	0.0060	0.152	0.0050	0.127	0.0070	0.178

Dimensions of Square Bare Wire

AWG	Minimum	Nominal	Maximum	Nominal Corner Radius ±25%
1/0	8.171	8.252	8.334	1.00
1	7.275	7.348	7.422	1.00
2	6.477	6.543	6.609	1.00
3	5.768	5.827	5.885	1.00
4	5.138	5.189	5.240	1.00
5	4.575	4.620	4.666	1.00
6	4.074	4.115	4.155	0.80
7	3.630	3.665	3.701	0.80
8	3.231	3.264	3.297	0.80
9	2.878	2.906	2.934	0.67
10	2.563	2.588	2.614	0.67
11	2.278	2.304	2.329	0.50
12	2.027	2.052	2.078	0.50
13	1.803	1.829	1.854	0.40
14	1.603	1.628	1.654	0.40

Adherence And Flexibility: No cracks visible in the film coating

Elongation:

Wire Size	Copper
	Bare or Film- Insulated
MW Specification	18, 20, 36, 38,64, 84
Square andRectangular	T ≥0.049”	32
	T < 0.049”	30

Heat Shock: No cracks visible in the film coating after conditioning at 240°C

Springback: Not greater than 5°

Dielectric Breakdown:

Minimum Breakdown Voltage
Film insulation	Any three of four electrodes	Fourth electrode
Heavy	1500	500
Quad	2500	900

Periodic Conformance Tests:

Solubility: Specimens immersed in xylene and 50/50 xylene/butyl cellosolve shall not soften sufficiently to expose the bare conductor.