Tomita UU,UI Type Ferrite Cores

U Cores has the characteristics of small impedance deviation, large output current, high inductance, and ability to suppress high-order harmonics.

Product Name: UU,UI Type Ferrite Cores
Brand: Tomita
Lead Time: 2 weeks

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Ferrite Core Tomita Ferrite magnetic core U Ferrite Core

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U Cores has the characteristics of small impedance deviation, large output current, high inductance, and ability to suppress high-order harmonics.

U Cores Application: Filter common mode transformer. Widely used in color TV, computer, monitor and other electronic equipment.

Dimensions and Effective Parameter

Cores	Dimensions(mm)								Effective Parameter					Weight (g)	Fig.
Cores	A	B	C	D	E1	E2	F	I	C1 (mm^-1)	Ae (mm²)	le (mm)	Ve (mm³)	Aw (mm²)	Weight (g)	Fig.
UU-9.7X14.9	9.7±0.2	14.9 +0.1/-0.5	2.7 +0.1/-0.15	4.3±0.3	2.7 +0.1/-0.15	2.7 +0.1/-0.15	8.8 +0.1/-0.5	–	4.57	7.61	34.8	264	36.9	1.3	1
UU-9.8	9.8±0.2	14.2±0.2	2.7±0.2	4.2±0.2	2.8±0.1	2.8±0.1	8.4±0.3	–	4.46	7.65	34.2	261	35.3	1.3	1
UU-10.5X15.6X5.3	10.5±0.3	15.6±0.4	5.3±0.15	5.5±0.3	2.5±0.1	2.5±0.1	10.6±0.3	–	3.02	13.3	40.0	531	58.3	2.6	1
UU-11	11.0 +0/-0.6	16.2 +0/-0.6	5.45±0.2	5.5±0.2	2.6±0.15	2.6±0.15	11.2 +0.6/-0.2	–	3.08	13.4	41.3	552	62.7	2.7	1
UU-12X17.3	12.0±0.3	17.3±0.2	5.1±0.15	6.25 min	2.75±0.12	2.75±0.12	11.95±0.2	–	3.26	13.9	45.3	631	77.6	3.3	1
UU-15	15.2±0.7	23.4 +0/-2.0	6.7 +0/-0.5	5.2±0.3	5.0±0.2	5.0±0.2	11.4 +1.4/-0	–	1.55	32.6	50.5	1647	62.9	8.2	1
UU-15.7	15.7±0.2	19.6±0.3	5.9±0.15	6.7±0.2	4.5±0.15	4.5±0.15	12.1±0.2	–	2.05	24.5	50.3	1232	81.1	6.3	1
UU-15.7X19.7X6	15.7±0.3	19.7±0.4	6.0±0.2	6.5 min	4.5±0.15	4.5±0.15	12.0 +0.6/-0	–	2.04	24.8	50.5	1253	82.4	6.4	1
UU-16	16.0±0.2	20.0±0.4	6.0±0.15	7.0 +0/-0.3	4.575	4.575	12.0±0.3	–	1.97	25.9	51.0	1321	82.2	6.8	1
UU-17	17.0±0.3	33.2±0.4	6.0 +0.1/-0.2	8.0±0.2	4.5±0.2	4.5±0.2	24.0 +0.6/-0	–	2.95	26.7	78.7	2099	194	10.3	1
UU-18X21.2	18.0±0.3	21.2±0.3	6.0 +0.1/-0.2	10.0±0.2	4.0±0.2	4.0±0.2	13.0 +0.4/-0	–	2.46	24.0	59.0	1415	132	7.1	1
UU-25	24.8±0.7	39.0±1.0	13.0 +0/-0.5	8.2±0.3	8.3±0.2	8.3±0.2	22.0 +1.0/-0	–	0.83	105.6	87.4	9230	184	47.8	1
UI-25X22.8X6.2	25.2±0.4	22.8±0.4	6.2±0.3	12.8±0.3	6.2±0.2	6.2±0.2	10.1±0.3	6.5±0.2	1.68	38.9	65.5	2551	129	13.4	2
UI-25-35	U:25.0±0.4 I:35.0±0.4	22.0±0.4	6.0±0.2	13.0±0.3	6.0±0.2	6.0±0.2	10.0±0.2	6.0±0.2	1.80	36.0	64.9	2335	130	13.1	2

Electrical Characteristics

Cores	AL-Value (nH/N²)
Cores	2H1	2E2D	2G1	2G4	2G8
UU-9.7X14.9	2380min	1575min	1050±25%	880±25%
UU-9.8	2100min	1540min	1000±25%	850±25%	600±25%
UU-10.5X15.6X5.3	3360min	2240min	1400±25%	1450±25%	750±25%
UU-11			1850±25%		1000±25%
UU-12X17.3		2450min	1600±25%	1280±25%
UU-15		4550min	3600±25%		1800±25%
UU-15.7	5040min	4000min	2600±25%	1900±25%	1450±25%
UU-15.7X19.7X6			2600±25%
UU-16	5740min	4000min	2900±25%	2500±25%	1250±25%
UU-17	3500min	2240min	2150±25%		890±25%
UU-18X21.2	4200min			1700±25%	1200±25%
UU-25			7600±25%
UI-25X22.8X6.2			3200±25%		1600±25%
UI-25-35					1600±25%

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