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NACA SERIES

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NACA SERIES

Product catalog summary

Features

Low core-loss at high frequency.
Designable for small size and lightweight compared to ferrite and dust cores.
Suitable for designing high-power coils.

Applications

Designed for active filters used in harmonic counter-measure applications.

Specifications

Inductance is designed for peak current conditions.
Inductance measurement condition: 20kHz.
Wire used: 1PEW.
Case incombustibility: UL-94V-0.
Inductance tolerance: ±25%.
Possible occurrence of beat sound when infra-acoustic frequency component is applied.

Standard Specifications

Name	Rated Current (A)	Peak Current (A)	Inductance (μH)	D.C. Resistance (mΩ)	Wire Diameter (φmm)	Dimensions (D×H mm)
NACA-02-1001	2	2.8	1000	200	0.7	28 × 19
NACA-02-1501	2	2.8	1500	290	0.7	33 × 19
NACA-02-2001	2	2.8	2000	340	0.7	33 × 25
NACA-03-0501	3	4.2	500	100	0.85	33 × 19
NACA-03-0751	3	4.2	750	140	0.85	33 × 19
NACA-03-1001	3	4.2	1000	165	0.85	33 × 25
NACA-03-1501	3	4.2	1500	220	0.85	38 × 26
NACA-05-0501	5	7.2	500	80	1.1	33 × 25
NACA-05-0751	5	7.2	750	100	1.1	38 × 27
NACA-05-1001	5	7.2	1000	110	1.1	47 × 28
NACA-05-1501	5	7.2	1500	140	1.1	47 × 28
NACA-08-0501	8	11.4	500	50	1.4	48 × 28
NACA-08-0751	8	11.4	750	70	1.4	57 × 28
NACA-08-1001	8	11.4	1000	90	1.4	57 × 35
NACA-10-0501	10	14.2	500	43	1.1×2	57 × 35
NACA-10-0751	10	14.2	750	65	1.1×2	57 × 42
NACA-10-1001	10	14.2	1000	67	1.1×2	70 × 35
NACA-15-0301	15	21.2	300	30	1.1×3	57 × 35
NACA-15-0501	15	21.2	500	35	1.1×3	70 × 36
NACA-20-0301	20	28.4	300	21	1.1×4	70 × 36
NACA-20-0501	20	28.4	500	30	1.1×4	74 × 44
NACA-25-0301	25	35.4	300	18	1.1×5	74 × 44

DC Bias Characteristics

The document includes graphs showing the relationship between DC bias current and inductance for various NACA coil series, illustrating how inductance changes with different current levels.

Catalog excerpts

CHOKE COILS 高調波対策アクティブフィルタ用アモルファスチョークコイル Amorphous choke coils for harmonic counter-measure active filter NACA Coils Amorphous iron cores with precised gap are 精密なギャップを入れたアモルファス巻鉄心を使用したコイルです。 Being designed for the active filter, an inductance value at a peak current is guaranteed. • Low core-loss at high frequency. • Designable for small size/light weight compared with the ferrite core and dust core. • Coils for a high-power can be designed. • For active filter for harmonic counter-measure, etc. NACA COILS 標準仕様 Standard Specifications Rated current Peak current

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choke coils NACA Coils Amorphous choke coils for harmonic counter-measure active filter compliant NACA COILS (ftBAJ) DC BIAS <Example> IMHi DC BIAS Idc(A)

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