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DRA124-R47-R

Description
1 ELEMENT, 0.47 uH, GENERAL PURPOSE INDUCTOR, SMD
CategoryPassive components   
File Size387KB,8 Pages
ManufacturerBussmann (Eaton)
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DRA124-R47-R Overview

1 ELEMENT, 0.47 uH, GENERAL PURPOSE INDUCTOR, SMD

Magnetics Solutions
For Automotive Applications
Description
RoHS
2002/95/EC
• 165°C maximum total temperature operation
• Five sizes of Automotive grade shielded drum core
inductors
• Inductance range from 0.28uH to 1000uH
• Current range up to 56 Amps
• Mechanical secure mounting for high shock and vibration
environments
• Good thermal dispersion with thermal conductive epoxy
• Customized dual winding versions available upon request
for SEPIC or Flyback configurations
Applications
• Automotive Electronics (under the hood, interior/exterior)
• Telematics
• DC-DC converters
• Buck, boost, forward, and resonant converters
• Noise filtering and filter chokes
Environmental Data
• Storage temperature range: -40°C to +165°C
• Operating temperature range: -40°C to +165°C
(range is application specific)
• Solder reflow temperature: +260°C max. for
10 seconds max.
• Complies with AEC-Q200 standard
Part Number
DRA73-R33-R
DRA73-1R0-R
DRA73-1R5-R
DRA73-2R2-R
DRA73-3R3-R
DRA73-4R7-R
DRA73-6R8-R
DRA73-8R2-R
DRA73-100-R
DRA73-150-R
DRA73-220-R
DRA73-330-R
DRA73-470-R
DRA73-680-R
DRA73-820-R
DRA73-101-R
DRA73-151-R
DRA73-221-R
DRA73-331-R
DRA73-471-R
DRA73-681-R
DRA73-821-R
DRA73-102-R
Rated
Inductance
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
OCL (1)
µH
+/-20%
0.29
0.91
1.36
2.52
3.18
4.86
6.63
8.06
10.27
14.98
22.39
31.84
47.83
66.89
83.77
101.7
151.1
218.8
326.4
472.6
682.9
825.3
991.9
Irms (2)
Amperes
8.42
6.50
5.39
4.18
3.59
2.92
2.62
2.30
2.11
1.74
1.42
1.25
1.02
0.845
0.731
0.682
0.551
0.479
0.391
0.326
0.270
0.252
0.235
DRA Series
High Power Density,
High Efficiency, Shielded Inductors
Packaging
• Supplied in tape and reel packaging, 1350 (DRA73),
1100 (DRA74), 750 (DRA124), 600 (DRA125),
and 350 (DRA127) per reel
Isat (3)
Amperes
14.80
8.22
6.73
4.93
4.35
3.52
2.96
2.74
2.39
2.00
1.64
1.35
1.10
0.937
0.851
0.763
0.632
0.510
0.423
0.354
0.297
0.267
0.239
Isat (4)
Amperes
11.84
6.58
5.38
3.95
3.48
2.82
2.37
2.19
1.91
1.60
1.32
1.08
0.884
0.749
0.680
0.610
0.506
0.408
0.338
0.283
0.238
0.214
0.192
DCR (5)
(Ω)
Typ.
0.0040
0.0067
0.0097
0.016
0.022
0.033
0.041
0.053
0.064
0.094
0.141
0.183
0.275
0.397
0.530
0.609
0.932
1.23
1.85
2.67
3.89
4.46
5.15
K-factor (6)
60.6
33.7
27.5
20.2
17.8
14.4
12.1
11.2
9.8
8.2
6.7
5.5
4.5
3.8
3.5
3.1
2.6
2.1
1.7
1.4
1.2
1.1
1.0
(1) Open Circuit Inductance test parameters: 100kHz, 0.25V, 0.0Adc,
tolerance is ±20%
(2) Irms: DC current for an approximate
∆T
of 40°C without core loss. Derating is
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 165°C under worst
case operating conditions verified in the end application.
(3) Isat Amperes peak for approximately 30% rolloff (@25°C)
(4) Isat Amperes peak for approximately 40% rolloff (@125°C)
(5) DCR limits @ 25°C
(6) K-factor: Used to determine B p-p for core loss (see graph).
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).
(7) Part Number Definition: DRAxxx-xxx-R
DRAxxx = 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
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