SMT power inductors
Size 12.8
Series/Type:
Date:
12.8
8.0 (mm)
B82477G4
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 12.8 x 12.8 x 8.0 (mm)
Rated inductance 1 ... 1000
μH
Rated current 0.55 ... 9.8 A
Construction
■
■
■
■
B82477G4
Ferrite core
Magnetically shielded
Winding: enamel copper wire
Winding soldered to terminals
Features
■
■
■
■
■
Temperature range up to +125 °C
Very high rated current
Low DC resistance
Suitable for lead-free reflow soldering
RoHS-compatible
Applications
■
■
■
■
DC/DC converters
EDP (Electronic Data Processing)
Consumer electronics
Industrial electronics
Terminals
■
Base material
Cu (L 10
μH),
CuSn6P (L 15
μH)
■
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
■
24-mm blister tape, wound on 330-mm
■
Packing unit: 400 pcs./reel
reel
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
06/12
SMT power inductors
Size 12.8 x 12.8 x 8.0 (mm)
Dimensional drawing and layout recommendation
1)
1)
B82477G4
5±0.2
7
8.5±0.2
1.5±0.2
13.2
IND0493-B
Marking
12.8 max.
1) Soldering area
IND0492-V-E
12.8 max.
8 max.
Dimensions in mm
Taping and packing
Blister tape
1.75±0.1
4±0.1
Component
1.5+0.1
2±0.1
5.6
Reel
21±0.5
2.5±0.5
13±0.2
11.5±0.1
12.85±0.1
24±0.3
330±1
1.5 min.
8.7 max.
20±0.1
Direction of unreeling
IND0342-S-E
30.4 max.
IND0348-6
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 12.8 x 12.8 x 8.0 (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)
B82477G4
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. 4.2 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 12.8 x 12.8 x 8.0 (mm)
Characteristics and ordering codes
L
R
H
1.0
2.2
3.9
4.7
5.6
6.8
10
15
22
33
47
68
82
100
150
220
330
470
680
1000
20%
^
B82477G4
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
I
R
A
9.80
8.00
7.50
6.80
6.70
6.50
5.40
4.50
3.60
3.00
2.50
2.10
1.90
1.70
1.42
1.16
0.95
0.80
0.68
0.55
I
sat
A
15.00
11.00
9.50
8.60
8.40
7.30
6.40
5.25
4.25
3.50
3.00
2.45
2.25
1.95
1.70
1.35
1.15
0.95
0.78
0.65
R
max
0.0070
0.0100
0.0125
0.0140
0.0142
0.0185
0.022
0.027
0.038
0.053
0.082
0.120
0.145
0.165
0.225
0.380
0.600
0.790
1.24
1.68
Ordering code
B82477G4102M000
B82477G4222M000
B82477G4392M000
B82477G4472M000
B82477G4562M000
B82477G4682M000
B82477G4103M000
B82477G4153M000
B82477G4223M000
B82477G4333M000
B82477G4473M000
B82477G4683M000
B82477G4823M000
B82477G4104M000
B82477G4154M000
B82477G4224M000
B82477G4334M000
B82477G4474M000
B82477G4684M000
B82477G4105M000
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
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