Nanocrystalline Core for Current Transformer High Saturation Flux Density

• Material: Iron-based Nanocrystalline Core
• Shape: Toroidal
• Certification: ISO9001, RoHS, ISO14001
• Name: Nanocrystalline Core
• Part No.: Kmn644020
• Core Dimensions: 64*40*20mm
• Model NO.: KMN644020
• Type: Tape Wound Core
• Finishing: Plastic Case
• Ribbon Thickness: 25um
• Applications: EMI Common Mode Chokes, High Frequency Transformer
• Lead Time: 25-30days
• Custom: Size, Shape, Material, Epoxy Coated
• Transport Package: Carton, Foam, Pallet
• Specification: Nanocrystalline Alloy, 1k107b
• Trademark: King Magnetics
• Origin: China Guangdong
• HS Code: 8504901900
• Production Capacity: 5000000PCS/Month

Product Description

Product Description

 

  

Features

 

Material: Fe-based Nanocrystalline core 
Saturation flux density induction: 1.25T 
Permeability @ 10KHz: > 50000 
Permeability @ 100KHz: >10500 
Curie temperature(ºC): 560 
Stacking factor: 0.78 
Saturation magnetostriction(*10^-6): <2 
Resistivity (μΩ.cm): 115 
Ribbon thickness: 25μm 
Core shapes: Troidal core
 

Applications

 

>> EMC Filter
>> Switched mode power supply
>> Computer power supply
>> Communication and network power supply
>> Laser and X-ray power supply
>> Welding equipment and Electrical plating power supply
>> Solar energy equipment and Wind power generator
>> Household electrical appliance
>> Uninterruptable power supply (UPS)
>> Frequency converter
>> Inducted heating equipment
>> high-speed railway power supplies

>> VFD Inverter Drive Motor Systems

 

 

Standard Core Dimensions

Part No.	Core dimensions			Case dimensions			Effictive cross section	Mean path length	AL Nominal Value**		Equivalent to VAC part no.
	od	id	h	OD	ID	H	AFe	lFe	10kHz	100kHz
	mm	mm	mm	mm	mm	mm	cm2	cm	μH	μH
KMN986545	9.8	6.5	4.5	11.3	5	6.1	0.06	2.6	25.5	6.4	W914
KMN120805	12	8	4.5	14.5	6.3	6.9	0.08	3.1	28.0	6.8	W902
KMN151005	15	10	4.5	17.1	8.3	7.1	0.09	3.9	27.0	6.7	W865
KMN161006	16	10	6	17.9	8.1	8.1	0.14	4.1	43.0	10.1	W403
KMN161008	16	10	8	17.8	8.4	9.9	0.19	4.1	46.1	11.5	-
KMN171206	17.5	12.6	6	19.2	10.9	8.1	0.11	4.7	30.0	6.9	W515
KMN191510	19	15	10	21.2	13.5	12.3	0.16	5.3	36.1	8.8	W838
KMN201208	20	12	8	21.7	10.8	9.9	0.25	5.0	55.2	13.6	W409
KMN201210	20	12	10	22.6	10.5	12.5	0.31	5.0	62.4	15.6	-
KMN211308E *	21.3	13.6	8	22	13	8.8	0.24	5.5	44.1	11.0	-
KMN252010	25	20	10	28	17.2	13.2	0.20	7.1	28.4	7.3	W523
KMN251610	25	16	10	28	14.0	13.1	0.35	6.4	67.0	15.5	W380
KMN261610	26	16	10	28.3	14	12.8	0.39	6.6	57.1	14.3	-
KMN302010	30	20	10	33.2	17.8	13.3	0.39	7.9	59.3	14.0	W423
KMN302015	30	20	15	33.6	17.8	17.8	0.59	7.9	88.0	20.0	W414
KMN322010	32	20	10	34.4	18.1	13	0.47	8.2	57.6	14.4	-
KMN322015	32	20	15	34.6	17.9	18.2	0.70	8.2	86.4	21.6	-
KMN322115Y	32	21	15	35.5	18.5	19	0.64	8.3	77.7	19.4	3-Phase
KMN382415	37.8	24.2	15	40.8	21.6	18.3	0.80	9.7	82.1	20.5	-
KMN402515	40	25	15	43.8	21.6	18.8	0.88	10.2	99.0	23.1	W424
KMN402520	40	25	20	45	21.5	24.7	1.17	10.2	115.2	28.8	-
KMN403215	40	32	15	44.9	28.8	18.8	0.47	11.3	48.0	11.3	W422
KMN453015	45	30	15	48.3	26.4	18.2	0.88	11.8	87.6	20.0	V102
KMN462725	46	27	25	48.8	24.6	27.8	1.85	11.5	162.4	40.6	-
KMN503220	50	32	20	53.8	28.5	24	1.40	12.9	109.6	27.4	-
KMN504020	50	40	20	53.6	37.1	23	0.78	14.1	45.0	13.5	W565
KMN635025	63	50	25	69	46	29	1.27	17.7	59.0	17.5	W517
KMN644020	64	40	20	68.2	37	23.5	1.87	16.3	115.2	28.8	-
KMN644025	64	40	25	67.4	37	29.2	2.34	16.3	144.0	36.0	-
KMN805020	80	50	20	83.8	46.6	25.0	2.34	20.4	94.0	28.0	V140
KMN805025	80	50	25	84	47	29	2.93	20.4	144.0	36.0	-
KMN906020	90	60	20	95.4	54.7	24.7	2.34	23.6	81.0	25.1	W518
KMN1008020	100	80	20	105	75	25	1.56	28.3	55.5	13.9	-
KMN1027625	102	76	25	108.1	70.0	30.3	2.54	27.9	91.1	22.8	W468
KMN1108025	110	80	25	116.6	73.8	31.4	2.93	29.8	98.5	24.6	-
KMN1309030	130	90	30	135.3	84.9	36.5	4.68	34.5	136.1	34.0	-
KMN14010025	140	100	25	145	95	30	3.90	37.7	104	26	-
KMN16013025	160	130	25	165	125	30	2.93	45.5	64.6	16.1	-
KMN17012025	170	120	25	175	115	30	4.88	45.5	107.6	26.9	-
KMN20016030	200	160	30	207	153	37	4.5	56.5	83.2	2.8	-

These cores are our standard products, we can also design and produce high performance cores according to customer's requirements, including sizes, inductance and applications. We can help customers to select the best performance cores. 

* Epoxy coated.

** AL tolerance -30%/+50%

KMN322115Y - Three phase common mode choke core.