SMT power inductors
Size 7.3
Series/Type:
Date:
7.3
3.5 (mm)
B82472G4
June 2012
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EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
SMT power inductors
Size 7.3 x 7.3 x 3.5 (mm)
Rated inductance 1 ... 1000
μH
Rated current 0.18 ... 3.45 A
Construction
■
■
■
■
B82472G4
Ferrite core
Magnetically shielded
Winding: enamel copper wire
Winding soldered to terminals
Features
■
■
■
■
■
Temperature range up to +125 °C
High rated current
Low DC resistance
Suitable for lead-free reflow soldering
RoHS-compatible
Applications
■
■
■
■
■
Filtering of supply voltages
Coupling/decoupling
DC/DC converters
Industrial electronics
Consumer electronics
Terminals
■
Base material CuSn6P
■
Layer composition Ni, Sn (lead-free)
■
Electro-plated
Marking
■
Marking on component:
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
■
16-mm blister tape, wound on 330-mm
■
Packing unit: 1000 pcs./reel
reel
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
06/12
SMT power inductors
Size 7.3 x 7.3 x 3.5 (mm)
Dimensional drawing and layout recommendation
2.2
1)
1)
B82472G4
2
1.5
3.3±0.2
4.9
1.5
IND0487-U
0.5
1.2
Marking
7.3
Dimensions in mm
7.3
1) Soldering area
IND0486-L-E
Component tolerances 0.2 mm unless
otherwise noted.
Taping and packing
Blister tape
1.75±0.1
4±0.1
Component
1.5+0.1
2±0.1
Reel
21±0.5
2.5±0.5
13±0.2
7.5±0.1
16±0.3
7.9
1.5 min.
4.4 max.
12±0.1
Direction of unreeling
IND0338-O-E
330±1
22.4 max.
IND0347-5
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 7.3 x 7.3 x 3.5 (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)
B82472G4
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, 10 s (based on IEC 60068-2-58)
55/125/56 (to IEC 60068-1)
Mounted: –55 °C … +125 °C
Packaged: –25 °C … +40 °C,
Approx. 1.5 g
75% RH
40 K
Resistance to soldering heat
Climatic category
Storage conditions
Weight
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
06/12
SMT power inductors
Size 7.3 x 7.3 x 3.5 (mm)
Characteristics and ordering codes
L
R
H
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
56
68
100
150
180
220
330
470
680
820
1000
20%
^
B82472G4
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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
I
R
A
3.45
3.35
2.90
2.60
2.30
2.05
1.70
1.40
1.10
0.94
0.86
0.84
0.69
0.56
0.49
0.47
0.40
0.29
0.26
0.23
0.20
0.18
I
sat
A
2.90
2.60
2.20
1.90
1.70
1.40
1.34
1.10
0.90
0.72
0.65
0.63
0.60
0.45
0.35
0.32
0.30
0.26
0.24
0.19
0.17
0.13
R
max
0.018
0.020
0.025
0.035
0.043
0.055
0.08
0.12
0.20
0.25
0.30
0.31
0.46
0.70
0.80
0.95
1.10
1.98
2.70
3.65
3.90
4.78
Ordering code
B82472G4102M000
B82472G4152M000
B82472G4222M000
B82472G4332M000
B82472G4472M000
B82472G4682M000
B82472G4103M000
B82472G4153M000
B82472G4223M000
B82472G4333M000
B82472G4473M000
B82472G4563M000
B82472G4683M000
B82472G4104M000
B82472G4154M000
B82472G4184M000
B82472G4224M000
B82472G4334M000
B82472G4474M000
B82472G4684M000
B82472G4824M000
B82472G4105M000
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.
5
06/12
