2

Technical Data

4139

Effective April 2016

DR1050

Shielded power inductors

www.eaton.com/elx

Product Specifications

(μH) ±30%

I

rms

2

(A)

I

sat

3

(A)

DCR (mΩ)

typical

@ 20°C

DCR (mΩ)

maximum

@ 20°C

DR1050-R80-R

0.70

9.70

13.5

3.2

4.0

20.47

DR1050-1R5-R

1.37

8.60

10.5

4.0

5.0

14.62

DR1050-2R2-R

2.27

7.52

9.3

5.6

6.8

11.37

DR1050-3R3-R

3.21

6.50

8.2

8.0

10

9.30

DR1050-4R7-R

4.43

6.13

6.7

10

12

7.87

DR1050-6R8-R

6.30

5.45

5.8

13

17

6.82

DR1050-8R2-R

8.09

5.24

5.0

15

19

6.02

DR1050-100-R

10.1

4.80

4.6

18

23

5.39

DR1050-120-R

11.6

3.94

4.1

24

30

4.87

DR1050-150-R

14.8

3.80

3.7

26

33

4.45

DR1050-180-R

17.5

3.39

3.3

33

41

4.09

DR1050-220-R

23.5

3.12

3.0

39

48

3.53

DR1050-270-R

26.9

2.82

2.8

43

53

3.30

DR1050-330-R

34.3

2.56

2.5

58

72

2.92

DR1050-390-R

38.3

2.35

2.35

61

76

2.77

DR1050-470-R

47.1

2.06

2.10

89

111

2.50

DR1050-560-R

56.7

1.96

1.94

98

123

2.27

DR1050-680-R

67.2

1.84

1.70

111

139

2.09

DR1050-820-R

84.4

1.60

1.58

147

184

1.86

DR1050-101-R

97.5

1.52

1.45

164

205

1.73

DR1050-121-R

118

1.30

1.30

223

279

1.57

DR1050-151-R

149

1.26

1.15

238

298

1.40

DR1050-181-R

184

1.18

1.08

273

341

1.26

DR1050-221-R

222

1.00

0.98

377

472

1.15

DR1050-271-R

264

0.96

0.90

410

513

1.06

DR1050-331-R

321

0.83

0.80

554

693

0.96

DR1050-391-R

397

0.76

0.72

648

810

0.86

DR1050-471-R

481

0.64

0.62

855

1069

0.78

DR1050-561-R

573

0.62

0.60

970

1213

0.72

DR1050-681-R

708

0.56

0.55

1095

1369

0.64

DR1050-821-R

819

0.54

0.50

1185

1481

0.60

DR1050-102-R

1000

0.43

0.48

1528

1950

0.54

1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.1 Vrms, 0.0 Adc, +25 °C

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.

4. K-factor: K-factor: Used to determine Bp-p for core loss (see graph). Bp-p = K * L * ΔI. Bp-p: (mT),

K: (K-factor from table), L: (Inductance in μH), ΔI (Peak to peak ripple current in Amps).

5. Part Number Definition: DR1050-xxx-R

DR1050 = Product code and size

-xxx= inductance value in μH, R= decimal point,

If no R is present then last character equals number of zeros

-R suffix = RoHS compliant