SMT power inductors
Size 18.5
Series/Type:
Date:
15.24
7.25 (mm)
B82479G1
June 2012
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EPCOS AG 2012. Reproduction, publication and dissemination of this publication, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SMT power inductors
Size 18.5 x 15.24 x 7.25 (mm)
Rated inductance 10 ... 1000 μH
Rated current 0.53 ... 3.9 A
Construction
■
■
■
■
■
B82479G1
Ferrite core
Magnetically shielded
Winding: enamel copper wire
Winding soldered to terminals
Plastic terminal carrier
Features
■
■
■
■
Temperature range up to +150 °C
High rated current
Low DC resistance
Suitable for lead-free reflow soldering
as referenced in JEDEC J-STD 020D
■
RoHS-compatible
Applications
■
■
■
■
■
■
Filtering of supply voltages
Coupling, decoupling
DC/DC converters
Automotive electronics
Telecommunications
Industrial electronics
Terminals
■
Base material CuSn6P
■
Layer composition Ni, Sn (lead-free)
■
Electro-plated
Marking
■
Marking on component:
Manufacturer, L value ( H, coded),
manufacturing date (YWWD)
■
Minimum data on reel:
Manufacturer, ordering code, L value,
quantity, date of packing
Delivery mode and packing unit
■
32-mm blister tape, wound on 330-mm
■
Packing unit: 250 pcs./reel
reel
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
06/12
SMT power inductors
Size 18.5 x 15.24 x 7.25 (mm)
Dimensional drawing and layout recommendation
2.54
2.92
2.54
B82479G1
12.45
IND0514-H
1)
1)
Marking
15.24 max.
7.25 max.
Dimensions in mm
18.5 max.
1) Soldering area
IND0494-Q-E
Component tolerances 0.2 mm unless
otherwise noted.
Taping and packing
Blister tape
_
0
1.5
+0.1
Reel
4±0.1
2±0.1
2.79
21±0.5
12.4±0.3
2.5±0.5
13±0.2
A-A
A
1.75±0.1
14.2±0.1
28.4±0.1
1.7±0.1
32±0.3
18.6
330±1
38.4 max.
IND0349-9
A
7.95 max.
1.5+0.1
Component
20±0.1
_
0
2
+0.1
Direction of unreeling
IND0920-D-E
Dimensions in mm
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
06/12
75±1
1.0
SMT power inductors
Size 18.5 x 15.24 x 7.25 (mm)
Technical data and measuring conditions
Rated inductance L
R
Rated temperature T
R
Rated current I
R
Saturation current I
sat
DC resistance R
max
Solderability (lead-free)
B82479G1
Measured with LCR meter Agilent 4284A at frequency f
L
,
0.1 V, +20 °C
+85 °C
Max. permissible DC with temperature increase of
at rated temperature
Max. permissible DC with inductance decrease
L/L
0
of approx. 10%
Measured at +20 °C
Dip and look method Sn95.5Ag3.8Cu0.7:
+(245 5) °C, (5 0.3) s
Wetting of soldering area 90%
(based on IEC 60068-2-58)
+260 °C, 40 s (as referenced in JEDEC J-STD 020D)
55/150/56 (to IEC 60068-1)
Mounted: –55 °C … +150 °C
Packaged: –25 °C … +40 °C, 75% RH
Approx. 4.2 g
40 K
Resistance to soldering heat
Climatic category
Storage conditions
Weight
Characteristics and ordering codes
L
R
H
10
15
22
33
47
68
100
150
220
330
470
680
1000
20%
^
Tolerance f
L
MHz
M 0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
I
R
A
3.90
3.40
3.10
2.80
2.40
2.00
1.70
1.30
1.10
0.86
0.73
0.64
0.53
I
sat
A
8.00
7.00
6.00
5.00
4.00
3.00
2.40
2.10
1.90
1.20
1.10
0.96
0.80
R
max
0.040
0.048
0.059
0.075
0.097
0.138
0.207
0.293
0.47
0.78
1.08
1.40
2.01
Ordering code
B82479G1103M000
B82479G1153M000
B82479G1223M000
B82479G1333M000
B82479G1473M000
B82479G1683M000
B82479G1104M000
B82479G1154M000
B82479G1224M000
B82479G1334M000
B82479G1474M000
B82479G1684M000
B82479G1105M000
Sample kit available. Ordering code: B8247XX001
For more information refer to chapter “Sample kits”.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
06/12
SMT power inductors
Size 18.5 x 15.24 x 7.25 (mm)
Current derating I
op
/I
R
versus ambient temperature T
A
(rated temperature T
R
= +85 °C)
1.2
I
op
I
R
IND0602-K
B82479G1
1.0
0.8
0.6
0.4
0.2
0
0
20
40
60
80
100 120
˚
C 150
T
A
5
06/12
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