DR124-470-R COILTRONICS, DR124-470-R Datasheet
DR124-470-R
Manufacturer Part Number
DR124-470-R
Description
INDUCTOR POWER, 20UH, 7.8A, PCB
Manufacturer
COILTRONICS
Datasheet
1.DR124-100-R.pdf
(3 pages)
Specifications of DR124-470-R
Dc Resistance Max
0.1496ohm
Dc Current Rating
2.2Arms
Core Material
Ferrite
Inductor Case Style
SMD
No. Of Pins
2
Inductance
47µH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Description
• 125°C maximum total temperature operation
• Low profile surface mount inductor
• 12.3mm x 12.3mm x 4.5mm shielded drum core
• Ferrite core material
• Inductance range from 0.47µH to 1000µH
• Current range from 24.4 Amps to 0.44 Amps
• Frequency range up to 1MHz
Applications
• Notebook power, LCD panels
• Computer, DVD players, and portable power devices
• DC-DC converters
• Buck, boost, forward, and resonant converters
• Noise filtering and filter chokes
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, 0.25V, 0.0Adc.
(2) Irms: DC current for an approximate ∆T of 40°C without core loss. Derating is
(3) Isat Amperes peak for approximately 25% rolloff (@25°C)
Part Number
DR124-R47-R
DR124-1R0-R
DR124-1R5-R
DR124-2R2-R
DR124-3R9-R
DR124-4R7-R
DR124-6R8-R
DR124-8R2-R
DR124-100-R
DR124-120-R
DR124-150-R
DR124-180-R
DR124-220-R
DR124-270-R
DR124-330-R
DR124-390-R
DR124-470-R
DR124-560-R
DR124-680-R
DR124-820-R
DR124-101-R
DR124-121-R
DR124-151-R
DR124-181-R
DR124-221-R
DR124-271-R
DR124-331-R
DR124-471-R
DR124-681-R
DR124-821-R
DR124-102-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
1000
(µH)
0.47
100
120
150
180
220
270
330
470
680
820
1.0
1.5
2.2
3.9
4.7
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
µH±20%
OCL (1)
0.42
0.83
1.37
2.04
3.80
4.88
6.10
7.45
8.94
11.5
14.2
16.2
20.7
25.7
31.2
37.3
44.0
54.9
67.1
80.5
95.1
111
146
179
216
256
327
460
669
825
998
Amperes
Irms(2)
16.0
13.9
11.1
0.88
0.83
0.68
0.56
0.53
0.44
9.1
7.0
6.5
5.6
5.2
4.5
4.1
3.6
3.4
3.2
2.8
2.6
2.3
2.2
2.0
1.8
1.7
1.5
1.3
1.3
1.1
1.0
2002/95/EC
RoHS
(4) K-factor: Used to determine B p-p for core loss (see graph).
(5) Part Number Definition: DR124-xxx-R
Packaging
• Supplied in tape and reel packaging, 750 per reel
Amperes
Isat (3)
B p-p = K*L*∆I, B p-p(mT), K: (K factor from table), L: (Inductance in µH),
∆I (Peak to peak ripple current in Amps).
DR124 = Product code and size; -xxx = Inductance value in uH;
R = decimal point; If no R is present, third character = # of zeros.
-R suffix = RoHS compliant
24.40
18.00
14.00
11.45
8.40
7.65
6.47
6.22
5.80
4.96
4.62
4.32
3.83
3.44
3.12
2.85
2.63
2.35
2.13
1.94
1.79
1.65
1.44
1.30
1.15
1.09
0.92
0.74
0.65
0.62
0.53
mΩ @20°C
(Typical)
DCR (Ω)
1242.50
1845.83
2109.17
2898.00
110.00
124.66
144.32
183.33
212.72
256.67
311.18
371.02
501.66
558.00
725.00
825.00
12.50
13.50
18.06
21.67
23.33
31.67
37.30
46.97
53.99
66.67
80.83
3.00
4.75
5.92
Low Profile Power Inductors
2.2
mΩ @20°C
(Maximum)
DCR (Ω)
3477.00
1491.0
2215.0
2351.0
132.0
149.6
173.2
220.0
255.3
308.0
373.4
445.2
602.0
669.6
870.0
990.0
15.0
16.2
21.7
26.0
28.0
38.0
44.8
56.4
64.8
80.0
97.0
2.7
3.6
5.7
7.1
DR124 Series
K-factor
17.51
12.50
9.73
7.96
5.84
5.15
4.61
4.17
3.81
3.50
3.02
2.82
2.50
2.24
2.04
1.86
1.72
1.54
1.39
1.27
1.17
1.08
0.94
0.87
0.77
0.71
0.63
0.53
0.45
0.40
0.37
(4)
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DR124-470-R Summary of contents
Page 1
... DR124-2R2-R 2.2 DR124-3R9-R 3.9 DR124-4R7-R 4.7 DR124-6R8-R 6.8 DR124-8R2-R 8.2 DR124-100-R 10 DR124-120-R 12 DR124-150-R 15 DR124-180-R 18 DR124-220-R 22 DR124-270-R 27 DR124-330-R 33 DR124-390-R 39 DR124-470-R 47 DR124-560-R 56 DR124-680-R 68 DR124-820-R 82 DR124-101-R 100 DR124-121-R 120 DR124-151-R 150 DR124-181-R 180 DR124-221-R 220 DR124-271-R 270 DR124-331-R 330 DR124-471-R 470 DR124-681-R 680 DR124-821-R ...
Page 2
... R 12.30 Max 1.5 dia min 4.0 DR124-### wwllyy R A1 16.0 Ao User direction of feed 10 Bp DR124 Series Low Profile Power Inductors SCHEMATIC RECOMMENDED PCB LAYOUT 12.9 1 5.50 2 2.65 A 1.75 11 24.0 A Parts packaged on 13" Diameter reel, 750 parts per reel. 500kHz ...
Page 3
... Total Pow er Loss (W) OCL Vs. Isat +85 Deg. C +25 Deg Deg. C 20.0% 40.0% 60.0% 80.0% % Isat DR124 Series Low Profile Power Inductors 1.6 2 100.0% 120.0% ...