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RA7231 Series

Dual Inductor for Class-D output filters

RoHS準拠 AEC-Q flag
Coilcraft's RA7231 Series uncoupled dual inductors provide two back-to-back inductors that operate independently without coupling effects.  This unique design saves space by combining two inductors in a single package. They are perfect for Class-D applications.
  • Designed for low distortion and the best possible sound quality. 
    Learn more.
  • Shielded package contains both coils.
  • Very low magnetic coupling
  • AEC-Q200 Grade 1 (−40°C to +125°C)

今すぐ購入:
個数 単価
1 $4.54
100 $3.88
250 $3.38
500 $2.95
1000 $2.29
2500 $1.97
5000 $1.81

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仕様

Electrical specifications at 25°C.

部品番号 1 インダクタンス (µH) 2
(公差: ±10%)
DCR max (mΩ) 3 SRF typ (MHz) 4 Isat (A) 5 Irms (A) 6
10% drop 20% drop 30% drop 20°C rise 40°C rise
RA7231-AL_ 5.0 6.0 34.0 15.5 16.6 17.6 7.6 10.6
メモ
  1. When ordering, please specify packaging code: e.g. RA7231-ALD
  2. Inductance is for each winding, measured at 100 kHz, 1.0 Vrms, 0 Adc using an Agilent/HP 4284A impedance analyzer. Minimum inductance is 4.5 µH at 11.5 Adc.
  3. DCR is for each winding, measured on a micro-ohmmeter at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  4. SRF measured using Agilent/HP 8753D network analyzer.
  5. Isat: DC current (typical) at which the inductance drops the specified amount from its value without current.
  6. Irms: Current applied to both windings at the same time that causes the specified temperature rise from 25°C ambient.

終端処理:

  • RoHS compliant tin-silver (96.5/3.5) over copper.

パッケージ:

  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
  • B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.

     

環境
環境:
RoHS準拠
周囲温度範囲:
–40°C to +125°C with Irms current
保管温度範囲:
Component: –40°C to +165°C.
Tape and reel packaging: –40°C to +80°C
最大部品温度:
+165°C (Ambient + temperature rise)
時間内の障害(FIT)/平均障害間隔(MTBF):

性能曲線

Inductance vs Current

回路図

ra7231s.gif

物理的特徴

ra7231d.gif

テープ&リール仕様

tapereel_pl.gif

 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T
150 330 100 13 38,4 32,4 32 24 4 2 16,1 0,5

一般仕様

コア材料:
Ferrite
重量:
12.3 g
パッケージ:
150/13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 24 mm pocket spacing, 16.1 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.

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