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Technical content
Inductance Range: 0.47~10µH (Unit: mm) (Unit: mm) FEATURES 特点
- Miniature size: 3225 footprint (3.2mm×2.5mm) and low profile(1.2mm Max. height)
- The use of magnetic iron powder ensure capability for large current.
- The use of Flat wire for Low DC resistance.
- Magnetically shielded, low audible core noise.
- Reflow solderable.
- Operating temperature : -40～+85°C
- 小型薄型构造(3.2ｘ2.5ｍｍ、高度1.2mm Max.)
- 使用合金系磁性粉，保证了大电流
- 采用平角线、低直流电阻
- 闭磁路构造、低芯片噪音
- 适合回流焊接
- 使用温度范围：-40～+85°C STANDARD PART NUMBERS 标准零件号码 TYPE DFE322512C (Quantity/reel; 3,000 PCS) 零件号码 电感值(1) 公差 测试频率 最大直流电阻(2) 最大电感值减小电流(3) 最大温度上升电流(3) Part Number Inductance(1) L(µH) Tolerance (%) Test Frequency (MHz) DC Resistance(2) (mΩ) Max. (Typ.) Inductance Decrease Current(3) (A) Max. (Typ.) ΔL/L=30% Temperature Rise Current(3) ∆T=40°C (A) Max. (Typ.) (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 1MHz (2) DC resistance is measured with 34420A (Agilent Technologies) or 3541(HIOKI). (Reference ambient temperature 20°C) (3) Maximum allowable DC current is that which causes a 30% inductance reduction from the initial value, coil temperature to rise by 40°C whichever is smaller. (Reference ambient temperature 20°C) (1)LCR仪表4284A (Agilent Technologies)或者功能相同的仪器在 1MHz下测试电感值。 (2)通过数码万用表34420A (Agilent Technologies)/ 3541(HIOKI)或者 相类似的工具测试直流电阻。（环境温度为20°C） (3)允许最大直流电的范围是以下两者中比较小的一个：从开始值降低 30%的电感值，或者线圈温度升高40°C。 （参考周围环境温度20°C）。 Recommended patterns 推荐焊盘尺寸 Metal Alloy Inductors 金属合金功率电感器