Inductors
Surface Mount
Drum Core Power Inductors
8403-XXX
• Designed for use in DC-DC converters where high energy storage
combined with low DCR is a requirement
• Suitable for auto assembly and compatible with reflow process to 240°C
• Useful in battery-powered and low voltage converters
• Rugged design features with an extended operating temperature range of
-40°C to +85°C
MECHANICAL AND SCHEMATIC
(All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC
ELECTRICAL SPECIFICATIONS @ 25˚C
Part Number
8403-100
8403-150
8403-220
8403-330
8403-470
8403-680
8403-101
8403-151
8403-221
8403-331
8403-471
8403-681
8403-102
Inductance
1
(µH ±20%)
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
470.0
680.0
1000.0
DCR
(Ω MAX)
0.11
0.15
0.23
0.30
0.39
0.66
0.84
1.2
1.9
2.7
4.0
5.3
8.4
I
sat2
(A)
2.4
2.0
1.6
1.4
1.0
0.9
0.7
0.6
0.5
0.4
0.3
0.2
0.1
I
rms3
(A)
2.0
1.5
1.3
1.1
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.05
ISSUE: A
06/02/02
8403-XXX
NOTES:
1. Tested at 100 kHz, 0.1 Vrms.
2. Inductance drop = 10% typ. at rated Isat.
3.
∆T
= 30°C rise typ. at Irms.
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