1231AS-H-220M=P3

Ferrite Inductors 铁氧体功率电感器 DEM3518C Recommended patterns Inductance Range: 0.56~22µH 推荐焊盘尺寸 (Unit: mm) (Unit: mm) Note (*) 1.8mm Max. height FEATURES • • • • 特点 Low profile (3.5 × 3.7mm square, 1.8mm Max. height). Magnetically shielded construction and low DC resistance. Ideal for a variety of DC-DC converter inductor applications. Operating temperature (− 40～+85°C) • • • • 薄型构造（最大3.5x3.7毫米的平面，最大高度1.8毫米） 磁性屏蔽结构和低直流电阻 是多种DC-DC转换器电感器设备的理想选择 使用温度范围：－40 ～ ＋85°C STANDARD PART NUMBERS 标准零件号码 TYPE DEM3518C (Quantity/reel; 2,000 PCS) 零件号码 电感值(1) 公差 最大直流电阻(2)(典型) 最大电感减小电流(3)(典型) Inductance Decrease Current(3) (A) Max. (Typ.) 最大温度上升电流(3)(典型) Part Number Inductance(1) (µH) Tolerance (%) DC Resistance(2) (mΩ) Max. (Typ.) ∆L L =30% Temperature Rise Current(3) ∆T=40°C (A) Max. (Typ.) 1231AS-H-R56N=P3 1231AS-H-1R2N=P3 1231AS-H-1R5N=P3 1231AS-H-2R2M=P3 1231AS-H-3R3M=P3 1231AS-H-4R7M=P3 1231AS-H-6R4M=P3 1231AS-H-100M=P3 1231AS-H-120M=P3 1231AS-H-150M=P3 1231AS-H-220M=P3 0.56 1.2 1.5 2.2 3.3 ± 30 ± 30 ± 30 ± 20 ± 20 29 (24) 36 (30) 42 (35) 48 (40) 60 (50) 3.30 (4.40) 2.40 (3.20) 2.10 (2.75) 1.90 (2.55) 1.60 (2.10) 3.40 (4.00) 2.90 (3.40) 2.70 (3.20) 2.55 (3.00) 2.25 (2.70) 4.7 6.4 10 12 15 ± 20 ± 20 ± 20 ± 20 ± 20 72 (60) 102 (85) 174 (145) 186 (155) 222 (185) 1.35 (1.75) 1.15 (1.50) 0.90 (1.20) 0.85 (1.15) 0.80 (1.05) 2.00 (2.45) 1.65 (2.00) 1.25 (1.50) 1.20 (1.45) 1.10 (1.30) 22 ± 20 342 (285) 0.65 (0.84) 0.88 (1.05) (1) Inductance is measured with a LCR meter 4284A (Agilent Technologies) or equivalent. Test frequency at 100kHz (2) DC resistance is measured with 34420A (Agilent Technologies) or 3541(HIOKI). (Reference ambient temperature 25°C) (3) Maximum allowable DC current is that which causes a 30% inductance reduction from the initial value, or coil temperature to rise by 40°C, whichever is smaller. (Reference ambient temperature 20°C) (1) LCR仪表4284A (Agilent技术)或者功能相同的仪器在100kHz下测 试电感值。 (2) 通过数码万用表34420A（Agilent技术）或者3541(HIOKI)测试直 流电阻。（环境温度为25°C） (3) 允许最大直流电的范围是以下两者中比较小的一个：引起电感值 从最初值降低30%，或者线圈温度升高40°C。 （参考周围环境温度20°C）。