Technical Data
4315
Effective
September
2017
Supersedes
April
2014
DR
High power density, high efficiency, shielded drum core
power inductors
Applications
•
•
•
•
•
•
•
Desktop and servers
DVD and media players
Portable and handheld devices
LCD panels
DC-DC converters
Buck, boost, forward, and resonant converters
Noise filtering and filter chokes
Environmental data
•
Product features
•
•
•
•
•
•
Four sizes of shielded drum core inductors
Inductance range from 0.33 µH to 1000 µH
Current range up to 56 A peak
Magnetically shielded
Secure mounting
Ferrite core material
•
•
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
HALOGEN
Pb
HF
FREE
Technical Data
4315
Effective
September
2017
DR
High power density, high efficiency, shielded drum core power inductors
Product specifications
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
OCL
1
±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
I
sat3
(A)
Peak
14.4
7.97
6.52
5.52
4.22
3.78
3.12
2.66
2.47
2.05
1.67
1.35
1.14
0.96
0.89
0.79
0.65
0.53
0.44
0.37
0.31
0.28
0.25
DCR
4
(Ω)
Typ.
0.0073
0.0102
0.0130
0.0165
0.0259
0.0297
0.0435
0.0592
0.0656
0.0844
0.107
0.166
0.241
0.358
0.384
0.527
0.851
1.05
1.59
2.36
3.47
3.93
4.34
Part Number
DR73-R33-R
DR73-1R0-R
DR73-1R5-R
DR73-2R2-R
DR73-3R3-R
DR73-4R7-R
DR73-6R8-R
DR73-8R2-R
DR73-100-R
DR73-150-R
DR73-220-R
DR73-330-R
DR73-470-R
DR73-680-R
DR73-820-R
DR73-101-R
DR73-151-R
DR73-221-R
DR73-331-R
DR73-471-R
DR73-681-R
DR73-821-R
DR73-102-R
I
rms
(A)
2
Volt-μsec
5
Typ.
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
6.21
5.28
4.67
4.15
3.31
3.09
2.55
2.19
2.08
1.83
1.62
1.31
1.08
0.89
0.86
0.73
0.58
0.52
0.42
0.35
0.29
0.27
0.26
1.
Open Circuit Inductance Test Parameters: 100 kHz, 0.25 V
rms
, 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 approximate 30% roll off at
+20
°C.
4.
DCR limits @
+20
°C.
5.
Applied Volt-Time product (V-μs) across the inductor. This value represent the
applied V-μsec 100 kHz necessary to generate a core loss equal to 10% of
the total losses for 40 °C temperature rise.
6. Part number definition: DRxxx-yyy-R
- DRxxx = product code and size,
- yyy = inductance value in μH,
- R = decimal point. If no R is present, third character = # of zeros
- “-R” suffix = RoHS compliant
2
www.eaton.com/electronics
DR
High power density, high efficiency, shielded drum core power inductors
Effective
September
2017
Technical Data
4315
Product specifications
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
OCL
1
±20%
(μH)
0.294
0.952
1.422
1.986
3.396
5.182
7.344
8.566
9.882
16.09
21.73
33.01
49.64
69.67
80.95
101.6
150.0
227.0
335.6
465.3
671.2
812.7
1009
I
sat3
(A)
Peak
18.4
10.2
8.35
7.06
5.40
4.37
3.67
3.40
3.17
2.48
2.13
1.73
1.41
1.19
1.11
0.99
0.81
0.66
0.54
0.46
0.38
0.35
0.31
DCR
4
(Ω)
Typ.
0.0074
0.0099
0.0118
0.0126
0.0183
0.0254
0.0418
0.0441
0.0489
0.0637
0.0925
0.143
0.216
0.265
0.345
0.383
0.591
0.907
1.41
1.74
2.58
2.93
3.89
Part Number
DR74-R33-R
DR74-1R0-R
DR74-1R5-R
DR74-2R2-R
DR74-3R3-R
DR74-4R7-R
DR74-6R8-R
DR74-8R2-R
DR74-100-R
DR74-150-R
DR74-220-R
DR74-330-R
DR74-470-R
DR74-680-R
DR74-820-R
DR74-101-R
DR74-151-R
DR74-221-R
DR74-331-R
DR74-471-R
DR74-681-R
DR74-821-R
DR74-102-R
I
rms
(A)
2
Volt-μsec
5
Typ.
1.71
3.08
3.76
4.45
5.81
7.18
8.55
9.23
9.92
12.7
14.7
18.1
22.2
26.3
28.4
31.8
38.6
47.5
57.8
68.1
81.7
89.9
100
6.26
5.39
4.94
4.76
3.94
3.34
2.60
2.53
2.41
2.11
1.75
1.41
1.15
1.03
0.91
0.86
0.69
0.56
0.45
0.40
0.33
0.31
0.27
1.
Open Circuit Inductance Test Parameters: 100 kHz, 0.25 V
rms
, 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 approximate 30% roll off at
+20
°C.
4.
DCR limits @
+20
°C.
5.
Applied Volt-Time product (V-μs) across the inductor. This value represent the
applied V-μsec 100 kHz necessary to generate a core loss equal to 10% of
the total losses for 40 °C temperature rise.
6. Part number definition: DRxxx-yyy-R
- DRxxx = product code and size,
- yyy = inductance value in μH,
- R = decimal point. If no R is present, third character = # of zeros
- “-R” suffix = RoHS compliant
www.eaton.com/electronics
3
Technical Data
4315
Effective
September
2017
DR
High power density, high efficiency, shielded drum core power inductors
Product specifications
Rated
Inductance
(μH)
0.47
1.00
1.50
2.20
3.30
4.70
6.80
8.20
10.0
15.0
18.0
22.0
33.0
47.0
56.0
68.0
82.0
100
150
220
330
470
680
820
1000
4700
120000
OCL
1
±20%
(μH)
0.456
0.894
1.478
2.208
3.084
5.274
6.588
8.048
9.654
15.35
17.70
22.36
33.74
47.47
55.24
67.91
86.89
102.7
151.1
216.8
332.6
473.1
679.8
828.0
1008
4720
120630
I
rms
(A)
2
Part Number
DR125-R47-R
DR125-1R0-R
DR125-1R5-R
DR125-2R2-R
DR125-3R3-R
DR125-4R7-R
DR125-6R8-R
DR125-8R2-R
DR125-100-R
DR125-150-R
DR125-180-R
DR125-220-R
DR125-330-R
DR125-470-R
DR125-560-R
DR125-680-R
DR125-820-R
DR125-101-R
DR125-151-R
DR125-221-R
DR125-331-R
DR125-471-R
DR125-681-R
DR125-821-R
DR125-102-R
DR125-472-R
DR125-124-R
I
sat3
(A)
Peak
33.0
23.6
18.3
15.0
12.7
9.71
8.68
7.86
7.17
5.69
5.32
4.71
3.84
3.24
3.00
2.70
2.39
2.20
1.81
1.51
1.22
1.02
0.85
0.77
0.70
0.32
0.069
DCR
4
(Ω)
Typ.
0.0018
0.0024
0.0029
0.0045
0.0063
0.0105
0.0123
0.0176
0.0189
0.0298
0.0377
0.0396
0.0505
0.0740
0.102
0.101
0.128
0.170
0.248
0.384
0.482
0.718
1.10
1.49
1.69
7.53
150
Volt-μsec
5
Typ.
3.17
4.43
5.70
6.97
8.23
10.8
12.0
13.3
14.6
18.4
19.6
22.2
27.2
32.3
34.8
38.6
43.7
47.5
57.6
69.0
85.5
102
122
135
149
322.4
1521
17.6
15.0
13.8
10.9
9.26
7.18
6.64
5.54
5.35
4.27
3.81
3.70
3.28
2.71
2.31
2.22
2.05
1.78
1.48
1.19
1.06
0.87
0.70
0.60
0.57
0.268
0.060
1.
Open Circuit Inductance Test Parameters: 100 kHz, 0.25 V
rms
, 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 approximate 30% roll off at
+20
°C.
4.
DCR limits @
+20
°C.
5.
Applied Volt-Time product (V-μs) across the inductor. This value represent the
applied V-μsec 100 kHz necessary to generate a core loss equal to 10% of
the total losses for 40 °C temperature rise.
6. Part number definition: DRxxx-yyy-R
- DRxxx = product code and size,
- yyy = inductance value in μH,
- R = decimal point. If no R is present, third character = # of zeros
- “-R” suffix = RoHS compliant
4
www.eaton.com/electronics
DR
High power density, high efficiency, shielded drum core power inductors
Effective
September
2017
Technical Data
4315
Product specifications
Rated
Inductance
(μH)
0.47
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
±20%
(μH)
0.419
0.821
1.357
2.027
2.831
4.841
7.387
8.861
10.47
14.09
22.93
33.92
47.05
66.48
79.75
99.31
144.9
221.5
323.6
467.1
676.7
818.1
1005
I
rms
(A)
2
Part Number
DR127-R47-R
DR127-1R0-R
DR127-1R5-R
DR127-2R2-R
DR127-3R3-R
DR127-4R7-R
DR127-6R8-R
DR127-8R2-R
DR127-100-R
DR127-150-R
DR127-220-R
DR127-330-R
DR127-470-R
DR127-680-R
DR127-820-R
DR127-101-R
DR127-151-R
DR127-221-R
DR127-331-R
DR127-471-R
DR127-681-R
DR127-821-R
DR127-102-R
I
sat3
(A)
Peak
56.0
40.0
31.1
25.5
21.5
16.5
13.3
12.2
11.2
9.66
7.57
6.22
5.28
4.44
4.06
3.64
3.01
2.43
2.01
1.68
1.39
1.27
1.14
DCR
4
(Ω)
Typ.
0.00195
0.00313
0.00341
0.00402
0.00567
0.00917
0.0116
0.0157
0.0172
0.0247
0.0391
0.0600
0.0719
0.105
0.143
0.163
0.247
0.376
0.574
0.861
1.08
1.47
1.66
Volt-μsec
5
Typ.
3.50
4.90
6.30
7.70
9.10
11.9
14.7
16.1
17.5
20.3
25.9
31.5
37.1
44.1
48.3
53.9
65.1
80.5
97.3
117
141
155
172
17.9
15.5
13.5
12.5
10.5
8.25
7.34
6.32
6.04
5.03
4.00
3.23
2.95
2.44
2.09
1.96
1.59
1.29
1.04
0.85
0.76
0.65
0.61
1.
Open Circuit Inductance Test Parameters: 100 kHz, 0.25 V
rms
, 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 approximate 30% roll off at
+20
°C.
4.
DCR limits @
+20
°C.
5.
Applied Volt-Time product (V-μs) across the inductor. This value represent the
applied V-μsec 100 kHz necessary to generate a core loss equal to 10% of
the total losses for 40 °C temperature rise.
6. Part number definition: DRxxx-yyy-R
- DRxxx = product code and size,
- yyy = inductance value in μH,
- R = decimal point. If no R is present, third character = # of zeros
- “-R” suffix = RoHS compliant
www.eaton.com/electronics
5
