Choke Coils SMD Choke Coils Singapore Series: Magnetic shielded type Type: ELL61H SMD type choke coils (2.5 mm, 3.0 mm) ELL 6 1 H Type ■ Features ● Thin type (height 2.5 mm, 3.0 mm) ● Higher reliability in mounting by separated user terminal and internal connection. ● Capable of corresponding big current ■ Recommended Applications ● Videos, Audio, Mobile communications, Electric battery driving equipment ● Choke coils for Chopper circuit decoupling choked in DC/DC convertor circuit ■ Cautions for Use Convertor electric power of DC/DC convertor ● Chopper type : 1 W max. Operating temperature ● 105 ¡C max. (Including self-temperature rise) ■ Explanation of Part Numbers E L L 6 S H 2 2 0 M Choke Coils ■ Dimensions in mm (not to scale) ■ Connections (Top view) ■ Recommended land patterns in mm (not to scale) ■ Characteristics (Reference) Inductance at 100 kHz Tol. ± 20 % 1.0 µH 1.5 2.7 3.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 DCR at 20ûC Tol. ± 20 % ELL6RH ELL6SH H=2.5 mm H=3.0 mm 0.019 Ω 0.019 Ω 0.024 0.024 0.039 0.031 0.044 0.034 Ñ 0.042 0.056 Ñ Ñ 0.049 0.062 Ñ Ñ 0.052 0.080 Ñ 0.087 0.061 0.095 0.065 0.13 0.071 0.15 0.096 0.17 0.11 0.22 0.14 0.26 0.16 0.38 0.18 0.41 0.24 0.48 0.27 0.54 0.29 0.77 0.52 0.87 0.60 1.00 0.68 1.50 0.75 1.80 0.86 2.00 1.20 Current (max.) ELL6RH H=2.5 mm 3000 mA 2400 1800 1600 Ñ 1550 Ñ 1400 Ñ 1250 1200 1100 1000 850 800 700 650 600 550 500 450 400 350 300 280 250 230 ELL6SH H=3.0 mm 3400 mA 3200 2400 2200 2000 Ñ 1800 Ñ 1500 Ñ 1400 1300 1200 1100 1000 900 800 700 650 600 550 500 450 400 370 350 300 ✽ Current: This indicates the value of current when the inductance is 80% more than nominal value and tenperature rising ∆ t=45 ¡C lower at D.C superposition. (at 20 ¡C) Marking 1R0 1R5 2R7 3R3 4R7 5R1 5R6 6R2 6R8 7R5 8R2 100 120 150 180 220 270 330 390 470 560 680 820 101 121 151 181