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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

HA3778-AL Series

Power Inductor for TI LM315x Switching Controllers

RoHS準拠

Coilcraft low-profile HA3778-AL Series shielded power inductors are great for high current DC-DC converters and VRM/VRD controllers. High-temperature, low-loss materials do not exhibit thermal aging.

  • Designed for Texas Instruments LM315x SIMPLE SWITCHER®
  • L1 on TI Demonstration Board LM3152-3.3 and Reference Design RD 164
  • Soft saturation makes it ideal for use in multi-phase VRM/VRD regulators
  • Flat wire construction for low DCR
  • No thermal aging
今すぐ購入:
個数 単価
1 $2.35
200 $2.04
500 $1.78
1000 $1.39
2500 $1.19
5000 $1.09

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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: ±20%)
DCR ± 8% (mΩ) 3 SRF typ (MHz) 4 Isat (A) 5 Irms (A) 6
HA3778-AL_ 1.65 2.53 55.0 17.0 20
メモ
  1. When ordering, please specify termination and packaging codes: e.g. HA3778-ALC
  2. Inductance measured at 500 kHz, 0.1 Vrms, 0 Adc using a Coilcraft SMD-A fixture in an Agilent/HP 4284A LCR meter or equivalent.
  3. DCR measured at 25°C on a micro-ohmmeter. For other operating temperature use this DCR at Temperature calculator. 
  4. SRF measured on an Agilent/HP 8753ES
  5. Isat: DC current at which inductance drops 30% (typ) from its value without current. Temperature derating curves.
  6. Irms: Current that causes 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves.

終端処理:

  • L = RoHS compliant tin-silver (96.5/3.5) over copper.
  • T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
  • S = non-RoHS tin-lead (63/37). (Special order, added cost)

パッケージ:

  • C = 7" reel, machine-ready reel
    EIA-481 embossed plastic tape (100 parts per full reel).
  • B = Less than full reel
    In tape, but not machine-ready. To have a leader and trailer added ($25 charge), use code letter C instead.
  • D = 13" reel, machine-ready reel
    EIA-481 embossed plastic tape. Factory order only, not stocked (500 parts per full reel).
環境
環境:
RoHS準拠
周囲温度範囲:
−40°C to +85°C with Irms current.
保管温度範囲:
Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
最大部品温度:
+125°C (Ambient + temperature rise)

性能曲線

Inductance vs Current

Inductance vs Frequency

Temperature Rise versus Current

物理的特徴

ha3778d.gif
dims_inches_mm-(1).gif

テープ&リール仕様

tapereel_pl-(20).gif
 
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 part_or_y-(2).gif
100 500* 178/330 60/100 13 30,4 24,4 24 16 4 2 7,5 0,4
* Special order

一般仕様

コア材料:
Ferrite
重量:
3.44 g
パッケージ:
100/7″ reel; 500/13″ reel Plastic tape: 24 mm wide, 0.4 mm thick, 16 mm pocket spacing, 7.5 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.

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