Lasting. Leaning. Leading 3L Electronic Corp. Web : http://www.3lcoil.com
10
.
1
SMTDR SERIES
UNSHIELDED SMT POWER INDUCTORS
Applications :
．Portable telephones.
．Personable computers.
．DC/DC converters,etc.
．Other various electronic appliances.
Shape and Dimensions (Dimensions are in mm) :
Item A Max. B Max. C Max. D
Item E F H I J
SMTDR0402 6.60 4.45 2.92 4.32
SMTDR0402 1.27
1.02
3.56
1.4 4.06
SMTDR0802 12.95 9.40 3.50 7.62
SMTDR0802 2.54
2.54
2.79
2.92
7.37
SMTDR0804 12.95 9.40 5.21 7.62
SMTDR0804 2.54
2.54
2.79
2.92
7.37
SMTDR0810 12.95 9.40 11.43 7.62
SMTDR0810 2.54
2.54
2.79
2.92
7.37
SMTDR1206 18.54 15.24 7.11 12.7
SMTDR1206 2.54
2.54
2.79
2.92
12.45
Features :
Product identification :
．High power, High saturation, Low resistance. SMT DR0804 - 470 M
．Ideal inductors for DC-DC conversion in notebook (1) (2) (3) (4)
computer, PDAs, Step-up or step-down converters, (1)Type : Surface Mountable Type .
flash memory programmers, etc. (2)Style : DR Core OD=8.5mm H=4.0mm .
．SMTDR0402 used ceramic base with gold-plating. (3)Inductance : 470 for 47 uH.
．The others used LCP plastic base. (4)Inductance tolerance : K : ±10% ; M : ±20%.
Characteristics : Test equipments :
．Saturation Current (Isat): The current when the ．Inductance measured at 0Adc on HP 4284A LCR
inductance becomes 10% lower than its initial meter or equivalent.
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℃).
．Electrical specifications at 25℃.
．Operating temperature : -40℃ to 105 ℃.
Lasting. Leaning. Leading 3L Electronic Corp. Web : http://www.3lcoil.com
10
.
2
l SMTDR0402 series
Part No.
Inductance
L
(μH)
DCR
(Ω)
Max.
SRF
Ref.
(MHz)
I sat
(A)
Max.
I rms
(A)
Max.
SMTDR0402 -1R0M 1.0 0.05 130 2.9 2.9
SMTDR0402 -1R5M 1.5 0.05 115 2.6 2.8
SMTDR0402 -2R2M 2.2 0.07 90 2.3 2.4
SMTDR0402 -3R3M 3.3 0.08 70 2.0 2.0
SMTDR0402 -4R7M 4.7 0.09 50 1.5 1.5
SMTDR0402 -6R8M 6.8 0.13 45 1.2 1.4
SMTDR0402 -100M 10 0.16 35 1.1 1.1
SMTDR0402 -150M 15 0.23 30 0.90 1.2
SMTDR0402 -220K 22 0.37 20 0.70 0.80
SMTDR0402 -330K 33 0.51 15 0.58 0.60
SMTDR0402 -470K 47 0.64 14 0.50 0.50
SMTDR0402 -680K 68 0.86 11 0.40 0.40
SMTDR0402 -101K 100 1.27 9.0 0.31 0.30
SMTDR0402 -151K 150 2.00 6.0 0.27 0.25
SMTDR0402 -221K 220 3.11 5.5 0.22 0.20
SMTDR0402 -331K 330 3.80 5.0 0.18 0.16
SMTDR0402 -471K 470 6.20 4.0 0.16 0.15
SMTDR0402 -681K 680 9.20 3.0 0.14 0.12
SMTDR0402 -102K 1000 13.8 2.0 0.10 0.07
l SMTDR0802 series
Part No.
Inductance
L
(μH)
DCR
(Ω)
Max.
SRF
Ref.
(MHz)
I sat
(A)
Max.
I rms
(A)
Max.
SMTDR0802 -100M 10 0.11 35 2.4 2.0
SMTDR0802 -150M 15 0.15 33 2.0 1.5
SMTDR0802 -220M 22 0.23 25 1.6 1.3
SMTDR0802 -330M 33 0.30 19 1.4 1.1
SMTDR0802 -470M 47 0.39 14 1.0 0.80
SMTDR0802 -680M 68 0.66 12 0.90 0.70
SMTDR0802 -101M 100 0.84 10 0.70 0.60
SMTDR0802 -151M 150 1.2 8.0 0.60 0.50
SMTDR0802 -221M 220 1.9 6.0 0.50 0.40
SMTDR0802 -331M 330 2.7 5.0 0.40 0.30
SMTDR0802 -471M 470 4.0 4.0 0.30 0.20
SMTDR0802 -681M 680 5.3 3.0 0.20 0.10
SMTDR0802 -102M 1000 8.4 2.5 0.10 0.05
Lasting. Leaning. Leading 3L Electronic Corp. Web : http://www.3lcoil.com
10
.
3
l SMTDR0804 series
Part No.
Inductance
L
(μH)
DCR
(Ω)
Max.
SRF
Ref.
(MHz)
I sat
(A)
Max.
I rms
(A)
Max.
SMTDR0804 -1R0M 1.0 0.009 100 9.0 6.8
SMTDR0804 -1R5M 1.5 0.010 90 8.0 6.4
SMTDR0804 -2R2M 2.2 0.012 80 7.0 6.1
SMTDR0804 -3R3M 3.3 0.015 65 6.4 5.4
SMTDR0804 -4R7M 4.7 0.018 45 5.4 4.8
SMTDR0804 -6R8M 6.8 0.027 38 4.6 4.4
SMTDR0804 -100M 10 0.038 30 3.8 3.9
SMTDR0804 -150M 15 0.046 27 3.0 3.1
SMTDR0804 -220M 22 0.085 19 2.6 2.7
SMTDR0804 -330M 33 0.100 15 2.0 2.1
SMTDR0804 -470M 47 0.14 12 1.6 1.8
SMTDR0804 -680M 68 0.20 10 1.4 1.5
SMTDR0804 -101M 100 0.28 9.0 1.2 1.3
SMTDR0804 -501M 150 0.40 6.0 1.0 1.0
SMTDR0804 -221M 220 0.61 5.0 0.80 0.80
SMTDR0804 -331M 330 1.02 4.5 0.60 0.60
SMTDR0804 -471M 470 1.27 3.5 0.50 0.50
SMTDR0804 -681M 680 2.02 2.5 0.40 0.40
SMTDR0804 -102M 1000 3.00 2.0 0.30 0.30
l SMTDR0810 series
Part No.
Inductance
L
(μH)
DCR
(Ω)
Max.
SRF
Ref.
(MHz)
I sat
(A)
Max.
I rms
(A)
Max.
SMTDR0810 -100M 10 0.04 22 8.0 3.5
SMTDR0810 -150M 15 0.05 18 7.0 3.0
SMTDR0810 -220M 22 0.066 11 5.5 2.5
SMTDR0810 -330M 33 0.08 9.0 4.0 2.0
SMTDR0810 -470M 47 0.11 8.0 3.8 1.6
SMTDR0810 -680M 68 0.17 7.0 3.0 1.2
SMTDR0810 -101M 100 0.22 5.0 2.5 1.2
SMTDR0810 -151M 150 0.34 4.0 2.0 0.90
SMTDR0810 -221M 220 0.44 3.5 1.6 0.70
SMTDR0810 -331M 330 0.70 2.5 1.2 0.60
SMTDR0810 -471M 470 0.95 2.0 1.0 0.30
SMTDR0810 -681M 680 1.2 2.0 1.0 0.20
SMTDR0810 -102M 1000 2.0 1.5 0.80 0.10
Lasting. Leaning. Leading 3L Electronic Corp. Web : http://www.3lcoil.com
10
.
4
l SMTDR1206 series
Part No.
Inductance
L
(μH)
DCR
(Ω)
Max.
SRF
Ref.
(MHz)
I sat
(A)
Max.
I rms
(A)
Max.
SMTDR1206 -1R0M 1.0 0.009 80 20 8.6
SMTDR1206 -2R2M 2.2 0.014 80 16 7.1
SMTDR1206 -3R3M 3.3 0.018 60 14 6.2
SMTDR1206 -5R6M 5.6 0.020 40 12 5.3
SMTDR1206 -100M 10 0.031 30 10 4.3
SMTDR1206 -150M 15 0.036 22 8.0 4.0
SMTDR1206 -220M 22 0.047 20 7.0 3.5
SMTDR1206 -330M 33 0.066 15 5.5 3.0
SMTDR1206 -470M 47 0.086 9.0 4.5 2.6
SMTDR1206 -680M 68 0.13 8.0 3.5 2.3
SMTDR1206-101M 100 0.19 7.0 3.0 1.8
SMTDR1206 -151M 150 0.25 6.0 2.6 1.5
SMTDR1206 -221M 220 0.38 5.0 2.4 1.2
SMTDR1206 -331M 330 0.56 4.0 1.9 1.0
SMTDR1206 -471M 470 0.85 3.0 1.4 0.82
SMTDR1206 -681M 680 1.1 2.5 1.2 0.72
SMTDR1206 -102M 1000 1.8 2.0 1.0 0.56
* 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.