Class 220 Polyester Film-Insulated Round Aluminum Magnet Wire

Class 220 polyester film-insulated round aluminum magnet wire is a temperature-resistant and cost-effective solution for many industrial applications.

Types

Polyester Film-Insulated;

Polyester (lmide) Film-Insulated;

Polyester (Amide) Film-Insulated

Specifications

Insulation materials	Polyester Film-Insulated;Polyester (lmide) Film-Insulated;Polyester (Amide) Film-Insulated
Dimensions	Single 14-24 AWG in accordance with 0.551mm-1.692mm Heavy 4-24 AWG in accordance with 0.557mm-5.329mm
Insulation thickness	Single and Heavy
Thermal Class	220
Certificate	MW 74-A

Properties

Adherence and flexibility	No cracks visible in the film coating
Elongation	Not less than the value in 12-15
Heat shock	No cracks visible in the film coating after conditioning at 240ºC
Dielectric breakdown	4-7.5 AWG: not less than the value in 3500v-3700v 8-24 AWG: not less than the value in 4870v-7000v
Continuity	14-24 AWG: max number of discontinuities in accordance with Single 1000 and Heavy 1500

Periodic conformance test

Solubility	Specimens immersed in xylene and 50/50 xylene/butyl Cellosolve shall not soften sufficiently to expose the bare conductor
Dielectric breakdown at rated temperature	Average not less than 75% of the value in table 1
Scrape resistance	Lowest grams-to-fail load for any one of three tests, and the average of the three tests shall not be less than the values in table 2

Table 1 Minimum Dielectric Breakdown Voltage—Twisted Pair Method

AWG Size	Single Build or Type 1		Heavy Build or Type 2
	Standard	Polyamide Topcoat	Standard	Polyamide Topcoat
8	3740*	—	7000*	—
8.5	3740*	—	6800*	—
9	3740*	—	6800*	—
9.5	3740*	—	6800*	—
10	3740	—	6800	6120
10.5	3740	—	6600	5940
11	3740	—	6600	5940
11.5	3520	—	6600	5940
12	3520	—	6400	5760
12.5	3520	—	6400	5760
13	3520	—	6400	5760
13.5	3520	—	6400	5760
14	3520	3170	6330	5690
14.5	3470	3130	6240	5620
15	3430	3090	6160	5550
15.5	3380	3050	6080	5470
16	3340	3010	6000	5400
16.5	3300	2970	5930	5330
17	3250	2930	5850	5260
17.5	3210	2890	5770	5200
18	3170	2850	5700	5130
18.5	3130	2820	5620	5060
19	3090	2780	5550	4990
19.5	3050	2740	5480	4930
20	3010	2710	5410	4870
20.5	2970	2670	5340	4800
21	2930	2640	5270	4740
21.5	2890	2600	5200	4680
22	2850	2570	5130	4620
22.5	2820	2540	5060	4560
23	2780	2500	5000	4500
23.5	2740	2470	4930	4440
24	2710	2440	4870	4380
24.5	2670	2410	4810	4320
25	2640	2370	4740	4270
25.5	2600	2340	4680	4210
26	2570	2310	4620	4160
26.5	2540	2280	4560	4100
27	2500	2250	4500	4050
27.5	2470	2220	4440	4000
28	2440	2200	4380	3950
28.5	2410	2170	4330	3890
29	2380	2140	4270	3840
29.5	2380	2140	4220	3800
30	2380	2140	4220	3800
31	2040	1840	3900	3510
32	2040	1840	3570	3210
33	1700	1530	3250	2920
34	1700	1530	2920	2630
35	1360	1220	2920	2630
36	1360	1220	2600	2340
37	1360	1220	2270	2050

Table 2 Helical Coil Preparation and Bond Retention

Wire Size Range AWG	Mandrel Diameter (inches)	Maximum Winding Force (grams)	Load on Coil During Bonding (grams)	Peel Strength at Room Temperature (grams)	Peel Strength at Elevated Temperature (grams)
14-14.5	0.55	1200	675	850	350
15-15.5	0.47	1200	500	650	250
16-16.5	0.43	1200	450	600	225
17-17.5	0.39	1200	400	500	200
18-18.5	0.35	500	350	425	175
19-19.5	0.31	500	250	350	125
20-20.5	0.28	500	200	285	100
21–21.5	0.24	500	175	225	90
22-23.5	0.20	200	125	160	65
24-25.5	0.16	200	75	110	35
26-27.5	0.12	80	50	70	25
28-31.5	0.08	80	35	35	20
32-33.5	0.04	30	25	25	10
34-37.5	0.04	12	15	12	10
38-40.5	0.04	5	5	8	5
41-41	0.04	5	5	5	5