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はじめに
仕様
環境
性能曲線
回路図
物理的特徴
テープ＆リール
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Datasheet 3D Model

CSX7030 Series

SMT Current Sense Transformers

The CSX7030 series is a high-isolation, low-loss current sensing transformer designed for high-performance power electronics and automotive applications. It features a small chip-style package with an ultra-low 3.3 mm profile and is manufactured using a highly automated process to ensure consistent quality and cost efficiency.

With very low DCR, the series minimizes conduction losses and self-heating, making it ideal for high-current applications up to 20 A. A wide range of turns ratios from 1:50 to 1:200 provides excellent design flexibility, while bandwidth up to and beyond 1 MHz enables accurate high-frequency current measurement in fast-switching systems such as DC-DC converters, motor drives, inverters, and power management circuits. The CSX7030 is AEC-Q200 qualified, making it suitable for demanding automotive applications.

Miniature, low-profile chip-style current sense transformer – only 3.3 mm tall
Designed and fabricated for systems mounted in harsh automotive conditions
Extremely low DC resistance
1000 Vrms, one minute isolation (hipot) between primary and secondary
AEC-Q200 qualified

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仕様

Electrical specifications at 25°C.

部品番号 1 (Hover for schematics)	最小インダクタンス (mH) 2	DCR max		巻数比	電圧ー時間製品 (V-µs) 3	周波数 (kHz)	電流 (A) 4	終端抵抗 R_T (Ω) 5	絶縁電圧 (Vrms) 6
部品番号 1 (Hover for schematics)	最小インダクタンス (mH) 2	Pri (mΩ)	Sec (Ω)	Pri : Sec	電圧ー時間製品 (V-µs) 3	周波数 (kHz)	電流 (A) 4	終端抵抗 R_T (Ω) 5	絶縁電圧 (Vrms) 6
CSX7030-050RC	0.4	0.52	1.87	1 : 50	34.5	25 — >1000	20.0	2.5	1000
CSX7030-100RC	1.7	0.52	3.84	1 : 100	69	12 — >1000	20.0	5.0	1000
CSX7030-150RC	3.7	0.52	14.76	1 : 150	103.5	8 — >1000	20.0	7.5	1000
CSX7030-175RC	5.1	0.52	17.76	1 : 175	120.75	7 — >1000	20.0	8.75	1000
CSX7030-200RC	6.6	0.52	34.08	1 : 200	138	5 — >1000	20.0	10.0	1000

メモ

When ordering, please specify packaging code: e.g. CSX7030-200RC
Inductance is measured at 100 kHz, 0.1 Vrms, 0 ADC.
Volt-time product is for the secondary, between pin 3 and 4.
Primary current of 20 A causes less than 40°C temperature rise from 25°C ambient. Higher current causes a greater temperature rise.
Terminating resistance (R_T) value is based on 1 Volt output with 20 Amps flowing through the primary. Varying terminating resistance increases or decreases output Voltage/Ampere according to the following equation:
R_T (Ohms) = V_out × N_sec / I_in.
1000 Vrms, one minute isolation (hipot) between primary and secondary.

終端処理:

RoHS compliant tin over nickel over silver glass frit.

パッケージ:

C = 7" machine-ready reel
EIA-481 embossed plastic tape (500 parts per full reel).
Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
D = 13" machine-ready reel
EIA-481 embossed plastic tape. Factory order only, not stocked (2200 parts per full reel).

環境

環境:

RoHS準拠 , ハロゲンフリー

周囲温度範囲:

–40°C to +125°C

保管温度範囲:

Component: –40°C to +140°C.
Tape and reel packaging: –40°C to +80°C

最大部品温度:

+140°C (ambient + temp rise)

時間内の障害（FIT）/平均障害間隔（MTBF）:

See FIT/MTBF Calculations

性能曲線

Temperature Rise vs Current

回路図

物理的特徴

テープ＆リール仕様

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
500	2200	178/300	60/100	13	22,4	16,4	16	8	4	2	3,5	0,4

一般仕様

コア材料:

Ferrite

重量:

385 – 435 mg

パッケージ:

500/7″ reel 2200/13″ reel Plastic tape: 16 mm wide, 0.4 mm thick, 8 mm pocket spacing, 3.5 mm pocket depth

はんだ付け/洗浄

湿度感度レベル（MSL）:

1 (unlimited floor life at <30°C / 85% relative humidity)

はんだに対する耐熱性:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

はんだ付けする前に、 Coilcraftコンポーネントのはんだ付けを参照してください。

PCB洗浄:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More Info.

CSX7030 Series

SMT Current Sense Transformers