SMT Power Inductors
B82478
Rated inductance 10 to 1000
µH
Rated current 400 to 3500 mA
Construction
s
s
s
s
Ferrite core
Winding: enamel copper wire
Plastic terminal carrier
Winding soldered to terminals
Features
s
High rated current
s
Low dc resistance
s
Suitable for reflow soldering (IR and vapor phase)
Applications
s
s
s
s
s
Filtering of supply voltages
Coupling / decoupling
DC/DC converters
Automotive electronics
Telecommunications
Terminals
s
Tinned Sn/Pb
Marking
None
Delivery mode
24-mm blister tape, reel packing
For details on taping, packing and packing units
see page 155
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SMT Power Inductors
B82478
General technical data
Rated inductance
L
R
Rated current
I
R
Measured with HP 4194A at 10 kHz,
measuring current
≤
1 mA
Maximum permissible dc with
inductance decrease
∆
L
/L
0
≈10
%
and temperature increase of
≤
40 K
at rated temperature of 85°C
Measured at 20°C ambient temperature
In accordance with IEC 60068-1
40/125/56 (– 40°C/+ 125°C/56 days damp heat test)
5 s, 235 ˚C, wetting >90 %
Approx. 3 g
DC resistance
R
max
Climatic category
Solderability
Weight
Characteristics and ordering codes
L
R 1)
µH
10
15
22
33
47
68
100
150
220
330
470
680
1000
Toler-
ance
±
20 %
^
M
I
R
mA
3500
3100
2600
2300
1950
1650
1400
1200
950
800
650
500
460
R
max
Ω
0,06
0,08
0,10
0,12
0,17
0,22
0,35
0,47
0,73
1,15
1,48
2,45
3,00
f
res
MHz
20
16
13
10
8
7
6
4,8
3,2
2,5
2,2
2,0
1,8
Ordering code
B82478-A1103-M
B82478-A1153-M
B82478-A1223-M
B82478-A1333-M
B82478-A1473-M
B82478-A1683-M
B82478-A1104-M
B82478-A1154-M
B82478-A1224-M
B82478-A1334-M
B82478-A1474-M
B82478-A1684-M
B82478-A1105-M
1) Smaller
L
values upon request
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