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Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

RA7040-AL Forward Mode

Planar Transformer for TI UCC2897 (PMP9720)

RoHS準拠
  • Developed for TI UCC2897 Current Mode Active Clamp PWM Controller (PMP9720 reference design)
  • Designed for forward topology operating at 200 kHz with an input range of 48 – 60 V.
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一般的な用途

Texas Instruments UCC2897に対応

入力電圧 出力 1 電力
48 V 60 V 12 V , 13 A 150 W

仕様

Electrical specifications at 25°C.

部品番号
(Hover for schematics)
インダクタンス
@0A (µH) 2
(公差: ±20%)
DCR max (mΩ) 3 漏れ
インダクタンス
最大 (µH) 4
巻数比 電圧ー時間
製品 (V-µs) 5
絶縁
電圧 (Vrms) 6
Pri Sec Aux Pri : Sec : Aux
RA7040-AL 50 10.75 4.25 61.10 0.55 1 : 0.5 : 0.5 100 1500
メモ
  1. Output is of the secondary winding frmo pins 11 – 8. Output of the aux winding is 12 V.
  2. Inductance is for the primary, measured on Agilent/HP 4284A at 200 kHz, 0.5 Vrms, 0 Adc with primary windings connected in parallel.
  3. DCR for the primary is measured with the windings connected in parallel. DCR at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  4. Leakage Inductance is for the primary, measured at 200 kHz, 0.5 Vrms, 0 Adc with primary windings connected in parallel and all secondary pins shorted.
  5. Volt-time product is based on primary windings connected in parallel.
  6. 1500 Vrms, one minute isolation hipot) from primary to secondary.

終端処理:

  • RoHS-compliant  260°C compatible. Matte tin over nickel over brass.
環境
環境:
RoHS準拠
周囲温度範囲:
–40°C to +125°C
保管温度範囲:
Component: –40°C to +125°C
Tray packaging: –40°C to +80°C
最大部品温度:
+165°C (ambient + temp rise)
時間内の障害(FIT)/平均障害間隔(MTBF):

回路図

ra7040s.gif

Primary windings to be connected in parallel on the PC board.

物理的特徴

ra7040d.gif

dims_inches_mm.gif

一般仕様

コア材料:
Ferrite
重量:
12.7 g
パッケージ:
36 per tray

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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