Description
• 125°C maximum total temperature operation
• Low profile surface mount inductors
• 10.3mm x 10.5mm x 3.0mm shielded drum core
• Ferrite core material
• Inductance range from 1.1µH to 150µH
• Current range from 9.5 Amps to 0.68 Amps
• Frequency range up to 1MHz
Applications
• Computer, DVD players, and portable power devices
• Notebook power, LCD panels
• DC-DC converters
• Input/output filter, Buck/Boost regulators
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating temperature range: -40°C to +125°C
• Solder reflow temperature: +260°C max. for 10 seconds
(1) Open Circuit Inductance Test Parameters: 100kHz, 0.1V, 0.0Adc.
(2) Irms: DC current for an approximate ∆T of 40°C without core loss. Derating is
Part Number
DR1030-1R1-R
DR1030-1R8-R
DR1030-2R8-R
DR1030-3R9-R
DR1030-5R2-R
DR1030-6R8-R
DR1030-8R2-R
DR1030-100-R
DR1030-150-R
DR1030-220-R
DR1030-330-R
DR1030-470-R
DR1030-680-R
DR1030-820-R
DR1030-101-R
DR1030-121-R
DR1030-151-R
(range is application specific)
maximum
necessary for AC currents. PCB layout, trace thickness and width, air-flow, and
proximity of other heat generating components will affect the temperature rise. It
is recommended that the temperature of the part not exceed 125°C under worst
case operating conditions verified in the end application.
Inductance
Rated
(µH)
100
120
150
1.1
1.8
2.8
3.9
5.2
6.8
8.2
10
15
22
33
47
68
82
µH ± 30%
OCL (1)
119.3
155.3
10.4
14.8
22.8
32.4
47.9
66.6
82.4
100
1.1
1.9
2.8
4.0
5.2
6.8
8.4
Amperes
Irms (2)
0.86
0.68
7.0
5.9
5.1
4.3
3.7
3.5
3.3
2.8
2.3
1.8
1.6
1.3
1.1
1.0
0.8
2002/95/EC
RoHS
(3) Isat Amperes peak for approximately 35% rolloff max. (@25°C)
(4) K-factor: Used to determine B p-p for core loss (see graph).
(5) Part Number definition: DR1030-xxx-R
Packaging
• Supplied in tape and reel packaging,
Amperes
Isat (3)
1000 parts per reel
B p-p = K*L*∆I, B p-p(mT), K: (K factor from table), L: (Inductance in uH),
∆I (Peak to peak ripple current in Amps).
DR1030 = Product code and size, xxx = Inductance value in µH, R = decimal
point. If no R is present third character = # of zeros. -R suffix = RoHS compliant
9.50
7.41
6.08
5.13
4.75
3.90
3.54
3.18
2.66
2.19
1.81
1.52
1.24
1.14
1.05
0.95
0.86
mΩ@20°C
(Typical)
113.6
166.6
253.1
332.4
375.0
523.4
590.0
DCR
12.1
16.4
22.9
24.9
28.4
40.2
57.3
95.5
Low Profile Power Inductors
6.5
9.1
(Maximum)
mΩ@20°C
114.6
136.3
200.0
303.7
382.3
450.0
602.0
DCR
11.0
14.5
20.0
27.5
30.0
34.1
48.0
68.8
700
7.9
DR1030 Series
K-factor
9.0
8.0
7.0
6.0
4.5
3.4
2.9
2.6
2.4
1.9
1.4
(4)
22
17
14
12
10
4