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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

C1048 PoE Transformer

for Linear LT1725 Flyback Controller

RoHS準拠
  • Developed for Linear LT1725 Isolated Flyback Controller
  • Can be used in isolated and non-isolated designs and in PoE applications
  • Interleaved secondary windings
  • RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations.

今すぐ購入:
個数 単価
1 $5.35
200 $4.30
600 $2.58
1200 $2.02
2400 $1.72
5000 $1.58

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一般的な用途

Texas Instruments LM5071/LM5072に対応

入力電圧 出力 1 電力 Fsw
Sec Bias
36 V 72 V 5 V , 2 A 15 V , 0.2 A 13 W 250 kHz

仕様

Electrical specifications at 25°C.

部品番号 2
(Hover for schematics)
インダクタンス
@0A (µH) 3
(公差: ±10%)
最小
インダクタンス@   1.2 A (µH)
DCR max (Ω) 4 漏れ
インダクタンス
最大 (µH) 5
巻数比 6 絶縁
電圧 (Vrms) 7
Pri Sec Bias Pri : Sec : Bias
C1048-AL_ 94 85 0.210 0.010 0.453 3.9 1 : 0.12 : 0.47 1500
メモ
  1. Output is with the secondary windings connected in parallel. Output of the bias winding with a 15 V, 0.2 A
  2. When ordering, please specify packaging code: e.g. C1048-ALD
  3. Inductance is for the primary, measured at 250 kHz, 0.3 Vrms, 0 Adc.
  4. DCR is for both windings of the secondary connected in parallel.
  5. Leakage inductance is for the primary winding with the secondary windings shorted.
  6. Turns ratio is with the secondary windings connected in parallel
  7. 1500 Vrms, one minute primary to secondary isolation.

終端処理:

  • RoHS tin-silver (96.5/3.5) over tin over nickel over phos bronze. Other terminations available at additional cost.

パッケージ:

  • D = 13″ machine ready reel. EIA-481 embossed plastic tape (200 per full reel). 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
保管温度範囲:
Component: –40°C to +125°C
Tape and reel packaging: –40°C to +80°C
時間内の障害(FIT)/平均障害間隔(MTBF):

回路図

c1048s.gif


Secondary windings to be connected
in parallel on PC board

物理的特徴

c1048d.gif


dims_inches_mm-(2).gif

テープ&リール仕様

tapereel_pl-(35).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 part_or_c.gif
175 330 100 13 50,4 44,4 44 32 4 2 11,9 0,4

一般仕様

コア材料:
Ferrite
重量:
5.1 g
パッケージ:
200 per 13″ reel Plastic tape: 44 mm wide, 0.35 mm thick, 28 mm pocket spacing, 9.6 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 with pure water or alcohol only. More info.

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