DRA127-8R2-R Datasheet DRA124-101-R, DRA74-470-R, DRA125-1R0-R | P1-P3

Description

•

165°C maximum total temperature operation

•

Five sizes of Automotive grade shielded drum core

nductors

• 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

Packaging

• Supplied in tape and reel packaging, 1350 (DRA73),

1100 (DRA74), 750 (DRA124), 600 (DRA125),

and 350 (DRA127) per reel

DRA Series

High Power Density,

High Efficiency, Shielded Inductors

Magnetics Solutions

For Automotive Applications

RoHS

002/95/EC

(1)

Open Circuit Inductance test par

ameters:

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 gener

ating components will aff

ect the temper

ature r

ise

is recommended that the temperature of the part not exceed 165°C under worst

case operating conditions v

ified in the end application.

(3) Isat Amperes peak f

or appro

ximately 30% rolloff (@25

(4) Isat Amperes peak for approximately 40% rolloff (@125°C)

(5)

DCR limits @ 25

(6)

K-f

actor

Used to deter

mine B p-p f

or core loss (see g

aph).

B p-p = K*L*∆I, B p-p(mT), K: (K factor from table), L: (Inductance in µH),

∆

I (P

eak to peak r

ipple current in Amps).

(7)

t Number Definition:

DRAxxx-xxx-R

DRAxxx = Product code and size; -xxx = Inductance value in uH;

R = decimal point;

If no R is present, third char

acter = # of z

eros

-R suffix = RoHS compliant

Part Number

Rated

OCL (1) Irms (2) Isat (3) Isat (4) DCR (5) K-factor (6)

Inductance

µH Amperes Amperes Amperes (Ω)

+/-20% Typ.

DRA73-R33-R 0.33 0.29 8.42 14.80 11.84 0.0040 60.6

DRA73-1R0-R 1.00 0.91 6.50 8.22 6.58 0.0067 33.7

DRA73-1R5-R 1.50 1.36 5.39 6.73 5.38 0.0097 27.5

DRA73-2R2-R 2.20 2.52 4.18 4.93 3.95 0.016 20.2

DRA73-3R3-R 3.30 3.18 3.59 4.35 3.48 0.022 17.8

DRA73-4R7-R 4.70 4.86 2.92 3.52 2.82 0.033 14.4

DRA73-6R8-R

6.80 6.63 2.62 2.96 2.37 0.041 12.1

DRA73-8R2-R

8.20

8.06

2.30

2.74 2.19 0.053 11.2

DRA73-100-R

10.0 10.27 2.11 2.39 1.91 0.064 9.8

DRA73-150-R

15.0

14.98

1.74

2.00

1.60

0.094

8.2

DRA73-220-R 22.0 22.39 1.42 1.64 1.32 0.141 6.7

DRA73-330-R

33.0

31.84 1.25 1.35 1.08 0.183 5.5

DRA73-470-R

47.0

47.83

1.02

1.10

0.884 0.275 4.5

DRA73-680-R 68.0 66.89 0.845 0.937 0.749 0.397 3.8

DRA73-820-R 82.0 83.77 0.731 0.851 0.680 0.530 3.5

DRA73-101-R

100

101.7

0.682 0.763 0.610 0.609 3.1

DRA73-151-R

150

151.1

0.551

0.632

0.506

0.932 2.6

DRA73-221-R 220 218.8 0.479 0.510 0.408 1.23 2.1

DRA73-331-R 330 326.4 0.391 0.423 0.338 1.85 1.7

DRA73-471-R

470

472.6

0.326

0.354 0.283 2.67 1.4

DRA73-681-R

680

682.9

0.270

0.297

0.238

3.89

1.2

DRA73-821-R 820 825.3 0.252 0.267 0.214 4.46 1.1

DRA73-102-R

1000

991.9 0.235 0.239 0.192 5.15 1.0

DRA Series

High Power Density,

High Efficiency, Shielded Inductors

Magnetics Solutions

For Automotive Applications

(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

Part Number Rated OCL (1) Irms (2) Isat (3) Isat (4) DCR (5) K-factor (6)

Inductance µH Amperes Amperes Amperes (Ω)

+/-20% Typ.

DRA74-R33-R 0.33 0.288 7.26 18.40 14.72 0.0054 52.6

DRA74-1R0-R 1.00 0.897 6.01 10.22 8.18 0.0078 29.2

DRA74-1R5-R 1.50 1.31 5.55 8.36 6.69 0.0092 23.9

DRA74-2R2-R 2.20 2.33 4.82 6.13 4.91 0.012 17.5

DRA74-3R3-R 3.30 3.05 4.16 5.41 4.33 0.016 15.5

DRA74-4R7-R 4.70 4.68 3.41 4.38 3.50 0.024 12.5

DRA74-6R8-R 6.80 6.51 2.91 3.68 2.94 0.034 10.5

DRA74-8R2-R 8.20 8.51 2.66 3.17 2.54 0.040 9.1

DRA74-100-R 10.0 9.62 2.56 2.97 2.37 0.043 8.5

DRA74-150-R 15.0 15.14 2.06 2.36 1.89 0.067 6.7

DRA74-220-R

22.0 22.25 1.68 1.96 1.57 0.100 5.6

DRA74-330-R

33.0 33.21 1.37 1.61 1.29 0.151 4.6

DRA74-470-R 47.0 46.56 1.14 1.37 1.099 0.219 3.9

DRA74-680-R

68.0 68.37 0.996 1.108 0.887 0.286 3.2

DRA74-820-R 82.0 81.45 0.879 1.034 0.827 0.367 3.0

DRA74-101-R 100 98.5 0.822 0.929 0.743 0.419 2.7

DRA74-151-R

150 150.9 0.661 0.748 0.598 0.648 2.1

DRA74-221-R 220 218.9 0.544 0.626 0.501 0.96 1.8

DRA74-331-R 330 328.9 0.435 0.514 0.411 1.50 1.5

DRA74-471-R 470 471.5 0.383 0.420 0.336 1.93 1.2

DRA74-681-R 680 682.8

0.315 0.352 0.282 2.86 1.0

DRA74-821-R 820 815.0 0.279 0.327 0.262 3.63 0.9

DRA74-102-R 1000 1001.7 0.260

0.292

0.234 4.19 0.8

DRA124-R47-R 0.47 0.423 15.15 30.80 24.6 0.0019 16.7

DRA124-1R0-R 1.00 0.821 11.65 22.00

17.6

0.0031 12.0

DRA124-1R5-R 1.50 1.36 9.36 17.11 13.7 0.0049 9.3

DRA124-2R2-R 2.20 2.04 7.64 14.00 11.2 0.007 7.6

DRA124-3R3-R 3.30 2.79 6.94 11.85 9.48 0.009 6.4

DRA124-4R7-R 4.70 4.74 5.47 9.06 7.25 0.014 4.9

DRA124-6R8-R 6.80 7.28 4.46 7.33 5.87 0.021 4.0

DRA124-8R2-R 8.20 8.88 3.87 6.70 5.36 0.028 3.6

DRA124-100-R 10.0 10.37 3.67 6.16 4.93 0.031 3.3

DRA124-150-R 15.0 14.10 3.10 5.31 4.25 0.044 2.9

DRA124-220-R 22.0 23.00 2.44 4.16 3.33 0.071 2.3

DRA124-330-R 33.0 34.13 1.98 3.42 2.74 0.108 1.9

DRA124-470-R 47.0

46.27

1.78 2.91 2.325 0.134 1.6

DRA124-680-R

68.0

69.77

1.454

2.369

1.895

0.201 1.3

DRA124-820-R

82.0

80.57

1.285 2.232 1.786 0.257 1.2

DRA124-101-R

100

98.8

1.199 2.000 1.600 0.296 1.1

DRA124-151-R

150

151.7

0.967

1.621

1.297

0.454

0.9

DRA124-221-R 220 209.6 0.865 1.363 1.090 0.568 0.7

DRA124-331-R

330 326.9 0.690 1.092 0.874 0.892 0.6

DRA124-471-R

470

473.0

0.568

0.911 0.729 1.32 0.5

DRA124-681-R

680

682.1

0.466

0.759

0.607

1.96

0.4

DRA124-821-R 820 826.7 0.406 0.697 0.557 2.57 0.4

DRA124-102-R

1000

1001.0 0.380 0.629 0.503 2.94 0.3

DRA125-R47-R

0.47

0.453

18.47

33.20

26.56

0.0016 16.7

DRA125-1R0-R

1.00

0.854

15.94

23.71

18.97

0.0021

12.0

DRA125-1R5-R 1.50 1.41 12.89 18.44 14.76 0.0033 9.3

DRA125-2R2-R

2.20

2.12

10.61 15.09 12.07 0.0048 7.6

DRA125-3R3-R

3.30

2.89

9.69

12.77

10.22

0.0058

6.4

DRA125-4R7-R 4.70 4.90 7.67 9.76 7.81 0.0092 4.9

DRA125-6R8-R

6.80 6.23 6.81 8.74 6.99 0.012 4.4

DRA125-8R2-R

8.20

7.49

6.41

7.90 6.32 0.013 4.0

DRA125-100-R

10.0

9.22

5.57

7.22

5.77

0.017

3.6

DRA Series

High Power Density,

High Efficiency, Shielded Inductors

Magnetics Solutions

For Automotive Applications

(1)

Open Circuit Inductance test parameters: 100kHz, 0.25V

, 0.0Adc

tolerance is ±20%

(2)

ms: DC current for an approximate ∆T of 40°C without core loss. Derating is

necessary f

or A

C currents

PCB lay

out, tr

ace 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 e

xceed 165

°C under worst

case oper

ating conditions v

ified in the end application.

(3) Isat Amperes peak for approximately 30% rolloff (@25°C)

(4)

Isat Amperes peak f

or appro

ximately 40% rolloff (@125

°C)

(5)

DCR limits @ 25°

(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 (P

eak to peak r

ipple 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 char

acter = # of z

eros.

-R suffix = RoHS compliant

Part Number Rated OCL (1) Irms (2) Isat (3) Isat (4) DCR (5) K-factor (6)

nductance µH Amperes Amperes Amperes (Ω)

+/-20% Typ.

DRA125-150-R 15.0 14.67 4.45 5.72 4.58 0.027 2.9

DRA125-220-R 22.0 20.65 3.95 4.74 3.79 0.035 2.4

DRA125-330-R 33.0 31.47 3.19 3.86 3.09 0.053 1.9

DRA125-470-R 47.0 47.83 2.59 3.13 2.506 0.081 1.6

DRA125-680-R 68.0 68.48 2.125 2.635 2.108 0.120 1.3

RA125-820-R 82.0 80.86 2.005 2.406 1.925 0.135 1.2

RA125-101-R 100 97.6 1.745 2.213 1.771 0.178 1.1

RA125-151-R 150 150.0 1.409 1.785 1.428 0.273 0.9

RA125-221-R 220 222.8 1.142 1.469 1.175 0.416 0.7

RA125-331-R 330 325.1 0.998 1.194 0.955 0.543 0.6

RA125-471-R 470 466.3 0.826 1.006 0.805 0.79 0.5

RA125-681-R 680 683.3 0.673 0.834 0.667 1.20 0.4

DRA125-821-R 820 813.6 0.632 0.758 0.606 1.36 0.4

DRA125-102-R 1000 992.8 0.552 0.695 0.556 1.78 0.4

DRA127-R47-R 0.47 0.413 22.50 56.0 44.8 0.0012 14.3

DRA127-1R0-R 1.00 0.772 19.22 40.0 32.0 0.0017 10.2

DRA127-1R5-R 1.50 1.27 15.32 31.1 24.9 0.0027 7.9

DRA127-2R2-R 2.20 1.92 12.52 25.5 20.4 0.0040 6.5

DRA127-3R3-R 3.30 3.51 9.59 18.7 14.93 0.0068 4.8

DRA127-4R7-R 4.70 4.58 8.14 16.5 13.18 0.0094 4.2

DRA127-6R8-R 6.80 6.72 7.32 13.3 10.67 0.012 3.4

DRA127-8R2-R

8.20 8.33 6.33 12.2 9.74 0.016 3.1

DRA127-100-R 10.0 9.63 6.02 11.2 8.96 0.017 2.9

DRA127-150-R

15.0

14.90 4.83 9.03 7.23 0.027 2.3

DRA127-220-R 22.0 21.47 3.98 7.57 6.05 0.040 1.9

DRA127-330-R 33.0

32.01 3.22 6.22 4.98 0.060 1.6

DRA127-470-R 47.0 47.91 2.62 5.09 4.07 0.091 1.3

DRA127-680-R 68.0 68.22

2.333 4.18 3.34 0.115 1.1

DRA127-820-R 82.0 83.91 2.008 3.84 3.07 0.155 1.0

DRA127-101-R 100

100.8

1.888 3.46 2.77 0.175 0.9

DRA127-151-R 150 151.2 1.524 2.83 2.26 0.269 0.7

DRA127-221-R 220 219.8 1.253 2.35 1.88 0.398 0.6

DRA127-331-R 330 328.3 1.011 1.93 1.54 0.612 0.5

DRA127-471-R 470 474.5 0.827 1.62 1.29 0.91 0.4

DRA127-681-R 680 676.6 0.736 1.33 1.06 1.15 0.3

DRA127-821-R 820 824.6 0.637 1.22 0.978 1.54 0.3

DRA127-102-R 1000 998.7 0.598 1.10 0.878 1.75 0.3

Mechanical Diagrams

DRA73 Series

TOP VIEWBOTTOM VIEW

7.6 Max

FRONT VIEW

3.55

Max

###

wwllyy R

8.50

SCHEMATIC

RECOMMENDED PCB LAYOUT

2.50

2.00

3.25

1.5

Dimensions in Millimeters. ### = Inductance value in uH. R = decimal point.

If no R is present third char

acter = # of z

eros

wwllyy = (date code) R = revision level

P1-P3 P4-P6 P7-P8

DRA127-8R2-R

Mfr. #:

Buy DRA127-8R2-R

Manufacturer:

Coiltronics / Eaton

Description:

Fixed Inductors 8.2uH 12.2A 0.016ohms

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

DRA127-8R2-R

DRA127-8R2-R

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