DR1040-470-R COILTRONICS, DR1040-470-R Datasheet

DR1040-470-R

Manufacturer Part Number

DR1040-470-R

Description

INDUCTOR POWER, 47UH, 1.9A, SMD

Manufacturer

COILTRONICS

Datasheet

1.DR1040-100-R.pdf (3 pages)

Specifications of DR1040-470-R

Dc Resistance Max

0.128ohm

Dc Current Rating

1.9A

Core Material

Ferrite

Inductor Case Style

SMD

No. Of Pins

Lead Spacing

7.7mm

Inductance

47ÂµH

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Description

• 125°C maximum total temperature operation

• Low profile surface mount inductor

• 10.3mm x 10.5mm x 4.0mm shielded drum core

• Ferrite core material

• Inductance range from 1.5µH to 330µH

• Current range from 10.0 Amps to 0.52 Amps

• Frequency range up to 1MHz

Applications

• Notebook power, Portable devices

• Wireless modems, ADSL line cards

• Point of load power supplies

• Battery chargers, Video Cards

• MP3 player, PDA’s, DVD players

• LED driver for notebook computer

• Navigation system, LCD backlighting

• Buck, Boost, or Forward inductor

Environmental Data

• Storage temperature range: -40°C to +125°C

• Operating temperature range: -40°C to +125°C

• Solder reflow temperature: +260°C max. for 10 seconds

(1) Open Circuit Inductance Test Parameters: 100kHz, 0.25V, 0.0Adc.

(2) Irms: DC current for an approximate ∆T of 30°C without core loss. Derating is

(3) Isat Amperes peak for approximately 35% rolloff (@25°C)

Part Number

DR1040-1R5-R

DR1040-2R5-R

DR1040-3R8-R

DR1040-5R2-R

DR1040-7R0-R

DR1040-8R2-R

DR1040-100-R

DR1040-150-R

DR1040-220-R

DR1040-330-R

DR1040-470-R

DR1040-680-R

DR1040-820-R

DR1040-101-R

DR1040-151-R

DR1040-221-R

DR1040-331-R

(range is application specific)

maximum

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 125°C under worst

case operating conditions verified in the end application.

Inductance

Rated

(µH)

100

150

220

330

1.5

2.5

3.8

5.2

7.0

8.2

µH±30%

OCL (1)

101.4

148.3

216.2

323.4

14.9

21.1

32.6

45.8

65.3

86.8

1.4

2.4

3.6

5.2

6.8

8.1

9.6

Amperes

Irms(2)

6.50

6.10

5.50

5.40

4.50

3.98

3.80

3.10

2.50

2.20

1.90

1.42

1.29

1.25

0.85

0.70

0.52

2002/95/EC

RoHS

(4) K-factor: Used to determine B p-p for core loss (see graph).

(5) Part Number Definition: DR1040-xxx-R

Packaging

• Supplied in tape and reel packaging, 850 per reel

Amperes

Isat (3)

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).

DR1040 = 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

10.00

7.80

6.40

5.50

4.80

4.60

4.40

3.60

2.90

2.45

2.10

1.65

1.47

1.35

1.15

0.92

0.70

mΩ @20°C

(Typical)

DCR (Ω)

14.0

17.0

24.0

26.0

37.0

54.0

69.0

95.0

Low Profile Power Inductors

152

214

225

356

530

810

6.0

7.0

9.6

mΩ @20°C

(Maximum)

DCR (Ω)

1090

13.0

17.0

20.0

29.0

35.0

50.0

73.0

93.0

128

183

260

304

430

640

8.1

9.0

DR1040 Series

K-factor

15.48

12.04

9.85

8.33

7.22

6.37

5.70

4.71

4.01

3.28

2.78

2.30

2.04

1.90

1.57

1.27

1.03

(4)

Related parts for DR1040-470-R

DR1040-470-R Summary of contents

Page 1

... DR1040-5R2-R 5.2 DR1040-7R0-R 7.0 DR1040-8R2-R 8.2 DR1040-100-R 10 DR1040-150-R 15 DR1040-220-R 22 DR1040-330-R 33 DR1040-470-R 47 DR1040-680-R 68 DR1040-820-R 82 DR1040-101-R 100 DR1040-151-R 150 DR1040-221-R 220 DR1040-331-R 330 (1) Open Circuit Inductance Test Parameters: 100kHz, 0.25V, 0.0Adc. (2) Irms: DC current for an approximate ∆T of 30°C without core loss. Derating is necessary for AC currents ...

Page 2

... B 1 XXX wwlly R A1 16.0 Ao User direction of feed 10 Bp-p (mT) DR1040 Series Low Profile Power Inductors RECOMMENDED PC B LAYOUT 1.6 2 plcs 3.2 10.5 Ref 2 plcs A min 1.75 12.0 24.0 +/-0.3 A Parts packaged on 13" Diameter reel, 850 parts per reel ...

Page 3

... Total Loss (W) OCL vs. Isat 40.0% 60.0% 80.0% 100. Isat DR1040 Series Low Profile Power Inductors 0.8 1 1.2 120.0% 140.0% 160.0% ...

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