SMT power inductors
Size 12.5
Series/Type:
Date:
12.5
8.5 (mm)
B82477P4
July 2017
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EPCOS AG 2017. 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 12.5 x 12.5 x 8.5 (mm)
Rated inductance 0.82 ... 1000
μH
Rated current 0.6 ... 11 A
Construction
■
■
■
■
■
B82477P4
Ferrite core
Magnetically shielded
Winding: enamel copper wire
Winding soldered to terminals
Injection molded base
Features
High mechanical stability
High rated current, low DC resistance
Temperature range up to +150 °C
Suitable for lead-free reflow soldering
as referenced in JEDEC J-STD 020D
■
Qualified to AEC-Q200
■
RoHS-compatible
■
■
■
■
Applications
■
■
■
■
Filtering of supply voltages
Coupling, decoupling
DC/DC converters
Automotive electronics
Terminals
■
Base material
Cu (L 22 H), CuSn6P (L 22 H)
■
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: 350 pcs./reel
reel
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
07/17
SMT power inductors
Size 12.5 x 12.5 x 8.5 (mm)
Dimensional drawing and layout recommendation
B82477P4
Dimensions in mm
Taping and packing
Blister tape
Reel
Dimensions in mm
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
07/17
SMT power inductors
Size 12.5 x 12.5 x 8.5 (mm)
Technical data and measuring conditions
Rated inductance L
R
Operating temperature range
Rated current I
R
Saturation current I
sat
DC resistance R
DC
Solderability (lead-free)
B82477P4
Measured with LCR meter Agilent 4284A at frequency f
L
0.1 V, +20 °C
–55 °C … +150 °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,
Approx. 4 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
07/17
SMT power inductors
Size 12.5 x 12.5 x 8.5 (mm)
Characteristics and ordering codes
L
R
H
0.82
2.0
3.3
3.9
4.7
5.6
6.8
10
15
22
33
47
68
82
100
150
220
330
470
680
1000
20%
^
B82477P4
Tolerance f
L
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
I
R
I
sat,min
A
I
sat,typ
A
28.00
20.50
13.50
13.10
12.00
11.00
9.85
8.40
6.55
5.65
4.65
3.70
3.50
2.72
2.55
2.14
1.73
1.32
1.21
1.02
0.85
R
DC,max
R
DC,typ
0.0055
0.0080
0.0100
0.0100
0.0120
0.0125
0.0150
0.0190
0.0285
0.0350
0.0520
0.0670
0.0980
0.1200
0.1380
0.1850
0.3050
0.4600
0.6400
1.0500
1.3800
0.0039
0.0061
0.0080
0.0081
0.0092
0.0104
0.0111
0.0165
0.0224
0.0305
0.0451
0.0552
0.0826
0.0921
0.1250
0.1590
0.2680
0.4110
0.5740
0.8450
1.2650
Ordering code
B82477P4821M000
B82477P4202M000
B82477P4332M000
B82477P4392M000
B82477P4472M000
B82477P4562M000
B82477P4682M000
B82477P4103M000
B82477P4153M000
B82477P4223M000
B82477P4333M000
B82477P4473M000
B82477P4683M000
B82477P4823M000
B82477P4104M000
B82477P4154M000
B82477P4224M000
B82477P4334M000
B82477P4474M000
B82477P4684M000
B82477P4105M000
MHz A
11.00 15.00
8.90 11.00
8.10
8.00
7.30
7.15
6.60
5.80
4.80
4.15
3.35
2.80
2.35
2.10
1.87
1.61
1.24
1.02
0.86
0.69
0.60
9.60
9.50
8.40
8.30
7.30
6.40
5.20
4.35
3.50
3.00
2.45
2.25
1.95
1.70
1.35
1.15
0.95
0.78
0.65
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
07/17
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