Lasting. Leaning. Leading 3L Electronic Corp. Web : http://www.3lcoil.com
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SMTDR SERIES
UNSHIELDED SMT POWER INDUCTORS
Applications :
．Personable computers.
．DC/DC converters,etc.
．LCD televisions.
．Power supply for VTRs.
．Other various electronic appliances.
Shape and Dimensions (Dimensions are in mm) :
Item A Max. B Max. C Max.
Item D E H I J
SMTDR0402HC 7.5 5.2 3.2
SMTDR0402HC 4.6 2.5 4.0 2.0 4.0
SMTDR0504HC 9.0 6.1 5.0
SMTDR0504HC 5.8 3.0 5.0 2.0 5.0
SMTDR0904HC 13.2 9.9 6.0
SMTDR0904HC 9.5 4.5 6.5 2.3 9.0
SMTDR1105HC 19.4 13.3 6.8
SMTDR1105HC 12.7
6.6 8.0 3.8 11.7
SMTDR1306HC 22.5 15.3 8.0 SMTDR1306HC 14.6
7.7 10.0
4.3 13.5
Features :
Product identification :
．Miniature surface mount designed. SMT DR1105 HC - 4R7 M
．High power , High saturation inductors. (1) (2) (3) (4) (5)
．Very low resistance . (1)Type : Surface Mountable Type.
．Maximum power density. (2)Style : DR Core : OD=11.0mm HT=5.0mm.
．Ideal inductors for DC-DC conversion . (3)HC : High Current.
．Meets UL 94V-0 flammability standard . (4)Inductance : 4R7 for 4.7 uH.
．Available on tape and reel for auto surface mounting. (5)Inductance tolerance : M : ±20% .N:+40% -20%.
Characteristics : Test equipments :
．Saturation Current (Isat): The current when the ．Inductance measured at 0Adc on HP 4284A LCR
inductance becomes 30% (0402HC is 10%) lower than meter or equivalent.
its initial value.(Ta=20℃) ．DCR measured on Chroma 16502 micro-ohmmeter
．Temperature Rise Current (Irms): The current when or equivalent.
temperature of coil increases up to Max.
△T=40℃. (Ta=20℃)
．Operating temp. : -30℃ to 105℃
．Electrical specifications at 25℃.
Lasting. Leaning. Leading 3L Electronic Corp. Web : http://www.3lcoil.com
10
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6
l SMTDR series
Part No. L 1105HC 1306HC 1105HC 1306HC 1105HC 1306HC
R47N 0.47 3.0 2 16.0 19.2 25.1 51.7
1R0N 1.0 4.0 3 12.5 17.3 15.3 37.8
1R5N 1.5 6.0 4 10.0 13.4 12.0 28.9
2R2M 2.2 8.0 5 9.2 12.0 10.2 23.7
3R3M 3.3 9.0 6 8.0 11.0 9.3 20.2
4R7M 4.7 12 10 6.5 8.6 7.7 15.6
6R8M 6.8 19 15 5.8 8.3 6.2 14.1
100M 10 27 20 4.3 6.8 5.2 11.5
150M 15 32 30 3.9 5.5 4.3 9.1
220M 22 50 40 3.1 4.5 3.7 7.6
330M 33 69 60 2.4 3.7 3.0 6.1
470M 47 109 74 1.9 3.1 2.4 5.2
680M 68 156 120 1.6 2.4 2.0 4.3
101M 100 206 170 1.4 2.0 1.8 3.6
* Due to the limited space, the catalogue shows the typical specifications only. For more specific details ( characteristics graph, reliability, and others),
kindly invite you to access 3L official website www.3lcoil.com for better known.
Inductance DCR Max. I rms I sat
Part No. L (mΩ) ( A ) ( A )
(μH) DR0402HC DR0402HC DR0402HC
R47N 0.47 25 6.0 3.7
1R0M 1.0 50 2.9 2.9
1R5M 1.5 50 2.8 2.6
2R2M 2.2 70 2.4 2.3
3R3M 3.3 80 2.0 2.0
4R7M 4.7 90 1.5 1.5
6R8M 6.8 130 1.4 1.2
100M 10 160 1.1 1.1
150M 15 230 1.0 0.9
220M 22 370 0.8 0.7
Part No. L 0504HC 0904HC 0504HC 0904HC 0504HC 0904HC
R47N 0.47 10.0 5 6.0 10.6 7.7 11.4
1R0N 1.0 18 7 4.4 9.3 5.3 9.9
1R5N 1.5 20 9 4.2 8.3 4.5 7.9
2R2M 2.2 37 11 3.1 7.2 3.5 6.1
3R3M 3.3 43 13 2.9 6.5 3.0 5.1
4R7M 4.7 55 17 2.2 5.5 2.6 4.2
6R8M 6.8 90 21 1.7 5.0 2.2 3.6
100M 10 111 28 1.5 4.3 1.9 3.3
150M 15 175 41 1.2 3.5 1.5 2.4
220M 22 255 62 1.0 2.8 1.2 2.0
330M 33 367 92 0.82 2.1 0.99 1.7
470M 47 474 139 0.72 1.7 0.87 1.4
680M 68 750 179 0.58 1.5 0.67 1.2
101M 100 1110 271 0.47 1.2 0.53 0.95
