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
SMTDR0402
SMTDR0802
SMTDR0804
SMTDR0810
SMTDR1206
A Max.
6.60
12.95
12.95
12.95
18.54
B Max.
4.45
9.40
9.40
9.40
15.24
C Max.
2.92
3.50
5.21
11.43
7.11
D
4.32
7.62
7.62
7.62
12.7
Item
SMTDR0402
SMTDR0802
SMTDR0804
SMTDR0810
SMTDR1206
E
1.27
2.54
2.54
2.54
2.54
F
1.02
2.54
2.54
2.54
2.54
H
3.56
2.79
2.79
2.79
2.79
I
1.4
2.92
2.92
2.92
2.92
J
4.06
7.37
7.37
7.37
12.45
Features :
．High
power, High saturation, Low resistance.
．Ideal
inductors for DC-DC conversion in notebook
computer, PDAs, Step-up or step-down converters,
flash memory programmers, etc.
．SMTDR0402
used ceramic base with gold-plating.
．The
others used LCP plastic base.
Product identification :
SMT
(1)
DR0804 - 470 M
(2)
(3) (4)
(1)Type :
Surface Mountable Type
.
(2)Style :
DR
Core
OD=8.5mm H=4.0mm
.
(3)Inductance :
470
for
47
uH.
(4)Inductance tolerance :
K
:
±10%
;
M
:
±20%.
Characteristics :
．Saturation
Current (Isat): The current when the
inductance becomes 10% lower than its initial
value.(Ta=20℃)
．Temperature
Rise Current (Irms): The current when
temperature of coil increases up to max.
△
T=40℃. (Ta=20℃).
Test equipments :
．Inductance
measured at 0Adc on HP 4284A LCR
meter or equivalent.
．DCR
measured on Chroma 16502 micro-ohmmeter
or equivalent.
．Electrical
specifications at 25℃.
．Operating
temperature : -40℃ to 105
℃.
Lasting. Leaning. Leading
3L Electronic Corp.
10.1
Web : http://www.3lcoil.com
l
SMTDR1206 series
Part
No.
Inductance
L
(μH)
1.0
2.2
3.3
5.6
10
15
22
33
47
68
100
150
220
330
470
680
1000
DCR
(Ω)
Max.
0.009
0.014
0.018
0.020
0.031
0.036
0.047
0.066
0.086
0.13
0.19
0.25
0.38
0.56
0.85
1.1
1.8
SRF
Ref.
(MHz)
80
80
60
40
30
22
20
15
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.5
2.0
I sat
(A)
Max.
20
16
14
12
10
8.0
7.0
5.5
4.5
3.5
3.0
2.6
2.4
1.9
1.4
1.2
1.0
I rms
(A)
Max.
8.6
7.1
6.2
5.3
4.3
4.0
3.5
3.0
2.6
2.3
1.8
1.5
1.2
1.0
0.82
0.72
0.56
SMTDR1206 -1R0M
SMTDR1206 -2R2M
SMTDR1206 -3R3M
SMTDR1206 -5R6M
SMTDR1206 -100M
SMTDR1206 -150M
SMTDR1206 -220M
SMTDR1206 -330M
SMTDR1206 -470M
SMTDR1206 -680M
SMTDR1206-101M
SMTDR1206 -151M
SMTDR1206 -221M
SMTDR1206 -331M
SMTDR1206 -471M
SMTDR1206 -681M
SMTDR1206 -102M
* 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.
Lasting. Leaning. Leading
3L Electronic Corp.
10.4
Web : http://www.3lcoil.com
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