High Efficiency Kool Mu Core Type C Transformer Core

Kool Mu Core Type C Transformer Core Product Description

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In terms of magnetic properties, Kool Mu cores typically exhibit saturation flux density in the range of 1.0-1.2 Tesla, significantly surpassing traditional ferrite materials. Simultaneously, it demonstrates low core loss characteristics within the 20kHz to 200kHz frequency range, making it particularly suitable for modern switching power supply applications. Regarding temperature stability, Kool Mu maintains stable magnetic performance across a wide temperature spectrum from -55°C to +125°C.

 

Kool Mu c Core Performance Advantages and Application Fields

Compared to traditional core materials, Kool Mu C-cores demonstrate multiple performance advantages. Their high saturation characteristics prevent easy saturation in high-current applications, while optimized powder composition ensures good high-frequency performance. This balanced performance profile makes them an ideal choice for power inductor design.

 

In practical applications, Kool Mu C-cores see extensive use in PFC inductors and output filter inductors for switching power supplies. Within the renewable energy sector, they serve as critical components in photovoltaic inverters and onboard chargers. Industrial power systems like UPS units and high-power DC-DC converters also heavily utilize these cores. Additionally, they perform exceptionally well in high-frequency topologies such as LLC resonant converters.

 

Comparison with Other Core Materials

When compared to traditional ferrite cores, Kool Mu cores offer higher saturation flux density, making them more suitable for high-current handling. However, ferrites still maintain advantages in ultra-high frequency ranges above MHz due to their lower loss characteristics. While amorphous cores provide even higher saturation flux and lower losses, they come with higher costs and greater manufacturing challenges.

 

From a frequency applicability perspective, Kool Mu cores operate optimally between 20kHz to 200kHz, effectively bridging the gap between traditional silicon steel and ferrite materials. At 100kHz operation, their loss performance sits between that of ferrites and amorphous materials, representing excellent cost-performance ratio.

 

C Core specification

Core Build		Window Width		Core Height		Core Width		Core Length
a(mm)	±	b(mm)	c(mm)	d(mm)	±	e(mm)	±	f(mm)	±
9	0.5	10	32.8	15	0.5	28	1	50.8	1.25
10	0.5	11	33	20	0.5	31	1	53	2
11	0.5	13	30	20	0.5	35	1	52	2
11	0.5	13	40	20	0.5	35	1	62	2
11	0.5	13	40	25	0.5	35	1	62	2
11	0.8	13	50	25	0.5	35	1	72	2
11	0.8	13	50	30	0.5	35	1	72	2
13	0.8	15	56	25	0.5	41	1	82	2
13	0.8	15	56	30	0.5	41	1	82	2
13	0.8	15	56	35	0.5	41	1	82	2
16	0.8	20	70	25	0.5	52	1	102	3
16	1	20	70	30	0.5	52	1	102	3
16	1	20	70	40	0.5	52	1	102	3
16	1	20	70	45	1	52	1	102	3
19	1	25	83	35	1	63	1	121	3
19	1	25	83	40	1	63	1	121	3
19	1	25	83	50	1	63	1	121	3
19	1	25	90	60	1	63	1	128	3
22	1	35	85	50	1	79	1	129	4
22	1	35	85	65	1	79	1	129	4
25	1	40	85	55	1	90	1	135	4
25	1	40	85	70	1	90	1	135	4
25	1	40	85	85	1.5	90	1	135	4
30	1	40	85	85	1.5	100	1	155	4
33	1	40	105	85	1.5	106	1	171	5
Note: Additional sizes can be customized to meet specific customer requirements.