Metal Alloy Inductors
金属合金功率电感器
DFE252012P
Recommended patterns
Inductance Range: 0.33~4.7µH
推荐焊盘尺寸
(Unit: mm)
(Unit: mm)
FEATURES
特点
• Miniature size: 2520 footprint (2.5mm×2.0mm) 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~+125°C
•
小型薄型构造(2.5x2.0mm、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~+125°C
STANDARD PART NUMBERS 标准零件号码
TYPE DFE252012P (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)
Part
Number
Inductance(1)
L(µH)
Tolerance
(%)
Test
Frequency
(MHz)
DC Resistance(2)
(mΩ)
Max. (Typ.)
1
1
1
1
1
1
1
1
23 (17)
27 (21)
37 (30)
42 (35)
60 (50)
84 (70)
140 (115)
200 (165)
DFE252012P-R33M=P2
DFE252012P-R47M=P2
DFE252012P-R68M=P2
DFE252012P-1R0M=P2
DFE252012P-1R5M=P2
DFE252012P-2R2M=P2
DFE252012P-3R3M=P2
DFE252012P-4R7M=P2
0.33
0.47
0.68
1.0
1.5
2.2
3.3
4.7
±20
±20
±20
±20
±20
±20
±20
±20
(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)
最大电感值减小电流(3)
Inductance
Decrease Current(3)
(A) Max. (Typ.)
ΔL/L=30%
6.6 (7.3)
5.7 (6.4)
4.8 (5.3)
4.3 (4.8)
3.5 (3.9)
3.0 (3.4)
2.3 (2.6)
2.0 (2.2)
最大温度上升电流(3)
Temperature
Rise Current(3)
∆T=40°C
(A) Max. (Typ.)
4.6 (5.4)
4.0 (4.7)
3.5 (4.1)
3.2 (3.8)
2.6 (3.0)
2.2 (2.6)
1.7 (2.0)
1.4 (1.7)
(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)。
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