DRA73-331-R datasheet, PDF - EEWORLD Datasheet

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DRA73-331-R: Description1 ELEMENT, 326.4 uH, GENERAL PURPOSE INDUCTOR, SMD; CategoryPassive components; File Size387KB，8 Pages; ManufacturerBussmann (Eaton)

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1 ELEMENT, 326.4 uH, GENERAL PURPOSE INDUCTOR, SMD

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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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