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DRQ125 Datasheet Preview

DRQ125 Datasheet

shielded drum core power inductors

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Technical Data DS4311
Effective September 2017
Supersedes April 2014
DRQ
Dual winding, high power density, shielded drum core
power inductors
Product features
Dual winding inductors that can be used as
either a single inductor, or in coupled
inductor/transformer applications
(1:1 turns ratio)
Four sizes of shielded drum core inductors
Windings can be connected in series or
parallel, offering a broad range of inductance
and current ratings
Peak current ratings from 0.13 A to 56 A
RMS current ratings from 0.128 A to 17.9 A
Inductance ratings from 0.33 µH to 4.02 mH
200 Vac Isolation between windings
Ferrite core material
Applications
Desktop and servers
DVD and media players
Portable and handheld devices
LCD panels
As a transformer: SEPIC, flyback
As an inductor: buck, boost, coupled inductor
DC-DC Converters
VRM inductor for CPU and DDR power
supplies
Input and output filter chokes
Environmental data
Storage temperature range (component):
-40 °C to +125 °C
Operating temperature range: -40 °C to +125 °C
(ambient plus self-temperature rise)
Solder reflow temperature:
J-STD-020 (latest revision) compliant
Pb
HFHALOGEN
FREE




EATON

DRQ125 Datasheet Preview

DRQ125 Datasheet

shielded drum core power inductors

No Preview Available !

Technical Data DS4311
Effective September 2017

Product specifications
Part Number
DRQ73-R33-R
DRQ73-1R0-R
DRQ73-1R5-R
DRQ73-2R2-R
DRQ73-3R3-R
DRQ73-4R7-R
DRQ73-6R8-R
DRQ73-8R2-R
DRQ73-100-R
DRQ73-150-R
DRQ73-220-R
DRQ73-330-R
DRQ73-470-R
DRQ73-680-R
DRQ73-820-R
DRQ73-101-R
DRQ73-151-R
DRQ73-221-R
DRQ73-331-R
DRQ73-471-R
DRQ73-681-R
DRQ73-821-R
DRQ73-102-R
Rated
Inductance
(µH)
0.33
1.00
1.50
2.20
3.30
4.70
6.80
8.20
10.0
15.0
22.0
33.0
47.0
68.0
82.0
100
150
220
330
470
680
820
1000
OCL1
±20%
(µH)
0.306
0.992
1.482
2.070
3.540
4.422
6.480
8.930
10.30
15.01
22.65
34.41
48.62
68.91
80.37
101.4
150.9
223.3
325.5
465.8
676.5
821.7
995.0
Parallel Ratings
(AIr)ms2
(AIs)at3
Peak
DCR Ω4
typ.
6.19 14.4 0.0074
5.25 7.97 0.0103
4.64 6.52 0.0132
4.11 5.52 0.0167
3.31 4.22 0.0259
3.09 3.78 0.0297
2.55 3.12 0.0435
2.19 2.66 0.0592
2.08 2.47 0.0656
1.83 2.05 0.0844
1.62 1.67 0.107
1.31 1.35 0.166
1.08 1.14 0.241
0.89 0.96 0.358
0.86 0.89 0.384
0.73 0.79 0.527
0.58 0.65 0.851
0.52 0.53 1.05
0.42 0.44 1.59
0.35 0.37 2.36
0.29 0.31 3.47
0.27 0.28 3.93
0.26 0.25 4.34
Volt5
µ-sec
1.98
3.56
4.36
5.15
6.73
7.52
9.11
10.7
11.5
13.9
17.0
21.0
24.9
29.7
32.1
36.0
44.0
53.5
64.5
77.2
93.1
103
113
OCL1
±20%
(µH)
1.224
3.968
5.928
8.280
14.16
17.69
25.92
35.72
41.20
60.04
90.60
137.6
194.5
275.6
321.5
405.6
603.6
893.2
1302
1863
2706
3287
3980
Series Ratings
(AIr)ms2
(AIs)at3
Peak
DCR Ω4
typ.
3.10 7.18 0.0296
2.63 3.99 0.0411
2.32 3.26 0.0527
2.06 2.76 0.0669
1.66 2.11 0.1035
1.55 1.89 0.1188
1.28 1.56 0.1742
1.10 1.33 0.2368
1.04 1.24 0.2623
0.916 1.03 0.339
0.811 0.83 0.429
0.653 0.68 0.665
0.542 0.57 0.965
0.444
0.48
1.43
0.430
0.44
1.54
0.367
0.39
2.11
0.289
0.32
3.41
0.260
0.27
4.20
0.211
0.22
6.36
0.173
0.18
9.44
0.143 0.15 13.88
0.134 0.14 15.72
0.128 0.13 17.36
Volt5
µ-sec
3.96
7.12
8.72
10.3
13.5
15.0
18.2
21.4
23.0
27.8
34.0
42.0
49.8
59.4
64.2
72.0
88.0
107
129
154
186
206
226
1.
Open Circuit Inductance Test Parameters:
Parallel: (1,2 -4,3) Series: (1-4) tie (2-3)
100
kHz,
0.25
Vrms,
0.0
Adc
2. RMS current for an approximate DT of 40 °C without core loss.
It is recommended that the temperature of the part not exceed +125 °C.
3. Peak current for approximately 30% roll-off at +20 °C
4. DCR limits @ +20 °C
5. Applied Volt-Time product (V-µs) across the inductor. This value represents
the applied V-µs at 100 kHz necessary to generate a core loss equal to 10%
of the total losses for a 40 °C temperature rise.
6. Turns Ratio (1:3):(2-4) 1:1
7. Part number definition: DRQxxx-yyy-
- DRQxxx = product code and size,
- yyy = inductance value in µH,
- R = decimal point. If no R is present, third character = # of zeros
- “-R” suffix = RoHS complian
2 www.eaton.com/electronics


Part Number DRQ125
Description shielded drum core power inductors
Maker EATON
Total Page 10 Pages
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