Kool Mµ^® Hƒ Cores

Lowest Losses for High Frequencies

Kool Mµ^® Hƒ powder cores are made from distributed gap alloy powder optimized for frequencies 200-500 kHz. Exhibiting approximately 35% lower losses when compared to Kool Mµ, Kool Mµ Hƒ is a cost-effective solution for minimizing power losses in high frequency power supplies using GaN or SiC, high efficiency power supplies, and Uninterruptible Power Supplies (UPS).

Key Characteristics

Composition: Al • Si • Fe
Shapes: Toroid, Block, E, U, Cylinder
Sizes: Up to 133 mm
Permeability: 26µ, 40µ, 60µ
Coating Color: Black

For more information on Magnetics' new Kool Mµ Hƒ toroids, view our technical bulletin.

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Property Curves

View Kool Mµ Hƒ Material Property Curves including DC Magnetization, Core Loss Density curves, and Permeability versus DC Bias curves.

Kool Mµ Hƒ Part Number Identification

How To Order: Magnetics Powder Cores

Kool Mu Hƒ Toroids
E Cores
U Cores
Blocks

Core Data	AL nH/T2 (nominal)			Le Path Length mm	Ae Cross Section mm2	Ve Volume mm3	OD max mm	ID min mm	HT max mm
Core Data	26µ	40µ	60µ	Le Path Length mm	Ae Cross Section mm2	Ve Volume mm3	OD max mm	ID min mm	HT max mm
050	12	18	27	31.2	10.9	340	13.46	6.99	5.51
120	15	24	35	41.2	19.2	790	17.27	9.52	7.11
380	19	28	43	41.4	23.2	960	18.03	9.02	7.11
206	14	21	32	50.9	22.1	1,120	21.08	12.07	7.11
310	19	29	43	56.7	31.7	1,800	23.62	13.34	8.38
350	22	34	51	58.8	38.8	2,280	24.33	13.77	9.65
930	32	50	75	63.5	65.4	4,150	27.69	14.10	11.94
426	30		69	66.5	72.7	4,840	30.00	17.40	10.90
548	28	41	61	81.4	65.6	5,340	33.66	19.46	11.43
585	16	25	38	89.5	46.6	4,150	35.18	22.56	9.78
324	24	37	56	89.8	67.8	6,090	36.70	21.54	11.35
395	53	81	122	95.1	153.7	14,617	40.94	21.27	17.89
254	35	54	81	98.4	107	10,600	40.77	23.32	15.37
454	47	72	108	102	147.5	15,100	43.84	23.39	17.27
089	37	57	86	116	134	15,600	47.63	27.89	16.13
438	59	90	135	107	199	21,400	47.63	23.32	18.92
725	76	117	175	114	262	29,700	51.51	24.00	21.59
715	32	49	73	127	125	15,900	51.69	30.94	14.35
540	45	69	104	126	174	22,000	54.90	28.10	15.30
109	33	50	75	143	144	20,700	58.04	34.75	14.86
195	60	92	138	125	229	28,600	58.04	25.58	16.13
596	54	83	125	143	237	33,900	60.60	33.00	20.50
620	82	126	189	144	360.2	51,900	63.09	31.70	25.91
070	65	100	143	158	314	49,700	69.42	34.67	21.41
778	88			177.2	492	81,500	78.94	38.33	26.85
740	88			183.8	497	91,300	75.21	44.40	35.92
866	30	45	68	196	176	34,500	78.94	48.21	13.84
906	37	57	85	196	221	43,400	78.94	48.21	17.02
102	48			243	358	86,900	103.00	55.75	17.91
337	68			324	678	220,000	133.96	77.19	26.80

Core Data	A_L nH/T² (nominal)			L_e Path Length mm	A_e Cross Section mm²	V_e Volume mm³	Length max mm	Leg Length min mm	Height max mm
Core Data	26µ	40µ	60µ	L_e Path Length mm	A_e Cross Section mm²	V_e Volume mm³	Length max mm	Leg Length min mm	Height max mm
1808	26	35	48	40.1	22.8	914	19.3	8.1	4.8
2510	39	52	70	48.5	38.5	1,870	25.4	9.5	6.35
3007	33	46	71	65.6	60.1	3,940	30.1	15	7.1
3515	56	75	102	69.4	84	5,830	34.54	14.15	9.35
4017	56	76	105	98.4	128	12,600	42.85	21.1	10.8
4020	80	108	150	98.4	183	18,007	43.5	20.8	15.7
4022	104	140	194	98.4	237	23,321	43.5	20.8	20.3
4317	88	119	163	77.5	152	11,800	41.5	16.2	12.7
5528	116	157	219	123	350	43,100	55.7	27.2	21.0
5530	138	187	261	123	417	51,400	55.7	27.2	25.0
6527	162	230	300	147	540	79,400	66.4	32.1	27.4
7228	130	173	235	137	368	50,400	73.5	27.4	19.4
8020	103	145	190	185	389	72,000	81.2	37.5	20.2
8024	200	275	370	131.4	600	78,000	80	24.1	29.7
8044	91	113	170	208	389	80,900	81.2	44.0	20.2

Core Data	AL nH/T2 (nominal)			Le Path Length mm	Ae Cross Section mm2	Ve Volume mm3	Length max mm	Leg Length min mm	Height max mm
Core Data	26µ	40µ	60µ	Le Path Length mm	Ae Cross Section mm2	Ve Volume mm3	Length max mm	Leg Length min mm	Height max mm
3112	61	92	111	65.6	101	6,630	31.8	10.9	12.5
4110	42	56	78	85.2	80	6,820	41.2	10.7	9.9
4111	52	72	95	85.2	101	8,610	41.2	10.9	12.5
4119	79	110	151	85.2	159	13,500	41.2	10.9	19.4
5527	67	95	120	168	172	28,900	55.5	27.1	16.7
5529	85	121	160	168	244	41,000	55.5	27.1	23.5
6527	89	111	145	219	270	59,100	66.0	32.2	27.4
6533	82	109	143	199	250	49,800	66.0	32.2	20.4
7236	87	114	149	219	290	63,500	73.3	34.9	21.3
8020	64	77	95	273	195	53,200	80.9	37.5	20.2
8038	97	124	179	237	354	83,900	80.9	37.5	23.4

Block Core Data	AL nH/T² (nominal)			Ve Volume mm³	Length mm	Width mm	Height mm
Block Core Data	26µ	40µ	60µ	Ve Volume mm³	Length mm	Width mm	Height mm
4741	PDF	PDF	PDF	53,600	47.5	41.0	27.5
5030	PDF	PDF	PDF	23,000	50.5	30.3	15.0
5528	PDF	PDF	PDF	31,200	54.9	27.6	20.6
6020				56,600	60.5	20.3	20.0
6030	PDF	PDF	PDF	27,000	60.0	30.0	15.0
6131	PDF	PDF	PDF	36,700	60.5	30.3	20.0
7020	PDF	PDF	PDF	28,600	70.5	20.3	20.0
7030	PDF	PDF	PDF	42,800	70.5	30.3	20.0
8020	PDF	PDF	PDF	32,700	80.5	20.3	20.0
8030	PDF	PDF	PDF	48,800	80.5	30.3	20.0
9541	PDF	PDF	PDF	107,200	95.0	41.0	27.5

Kool Mµ® Hƒ Cores

Lowest Losses for High Frequencies

Key Characteristics

Property Curves

Kool Mµ Hƒ Part Number Identification

Kool Mµ^® Hƒ Cores