CoreMaster International

Magnetic Characteristics	Power Applications
Saturation flux density, B_s = 1.55 Tl Density = 8.25 grams /cm ³ Curie temperature, T_c = 450° C Material thickness, 0.05 mm, (2 mils) Permeability > 90% @ 50 Oersteds	Storage Inductors Output Inductors

## Part # Finished Dimensions Core data Window Area Area Product Core Geometry Surface Area Effective perme ability A_L

OD, mm ID, mm HGT, mm A_c, cm² MPL, cm Weight, g W_a, cm² A_p,cm⁴ K_g, cm⁵ A_t, cm² µ µH

1 GEA2511Y 18.6 8.5 6.7 0.15 4.24 5.2 0.567 0.0851 0.0012 16.2 280 125

2 GEA2512Y 23.0 11.2 6.7 0.17 5.34 7.5 0.985 0.167 0.00391 24 225 90

3 GEA2513Y 26.0 10.2 12.0 0.51 5.65 24.0 0.817 0.417 0.0213 32.6 220 250

4 GEA2514Y 32.3 13.2 12.0 0.64 7.07 37.0 1.37 0.876 0.0498 47.4 195 220

5 GEA2515Y 37.3 20.8 14.3 0.61 9.11 46.0 3.4 2.07 0.0956 72.6 190 160

6 GEA2516Y 42.3 17.8 12.0 0.85 9.42 66.0 2.49 2.12 0.136 76.1 160 180

7 GEA2517Y 43.3 22.8 24.8 1.5 10.4 129.0 4.08 6.12 0.494 109.3 170 310

8 GEA2518Y 54.3 25.8 27.8 2.55 12.6 265.0 5.23 13.3 1.55 158 173 440

9 GEA2519Y 63.3 28.5 31.8 3.7 14.5 443.0 6.38 23.6 3.44 209 150 480

##	Part #	Finished Dimensions	Core data	Window Area	Area Product	Core Geometry	Surface Area	Effective perme ability	A_L
OD, mm	ID, mm	HGT, mm	A_c, cm²	MPL, cm	Weight, g	W_a, cm²	A_p,cm⁴	K_g, cm⁵	A_t, cm²	µ	µH
1	GEA2511Y	18.6	8.5	6.7	0.15	4.24	5.2	0.567	0.0851	0.0012	16.2	280	125
2	GEA2512Y	23.0	11.2	6.7	0.17	5.34	7.5	0.985	0.167	0.00391	24	225	90
3	GEA2513Y	26.0	10.2	12.0	0.51	5.65	24.0	0.817	0.417	0.0213	32.6	220	250
4	GEA2514Y	32.3	13.2	12.0	0.64	7.07	37.0	1.37	0.876	0.0498	47.4	195	220
5	GEA2515Y	37.3	20.8	14.3	0.61	9.11	46.0	3.4	2.07	0.0956	72.6	190	160
6	GEA2516Y	42.3	17.8	12.0	0.85	9.42	66.0	2.49	2.12	0.136	76.1	160	180
7	GEA2517Y	43.3	22.8	24.8	1.5	10.4	129.0	4.08	6.12	0.494	109.3	170	310
8	GEA2518Y	54.3	25.8	27.8	2.55	12.6	265.0	5.23	13.3	1.55	158	173	440
9	GEA2519Y	63.3	28.5	31.8	3.7	14.5	443.0	6.38	23.6	3.44	209	150	480