Datasheet > SDH3812-R47-R

SDH3812-R47-R

更新时间： 2024-11-02 05:17:03

品牌	Logo	应用领域
库柏 - COOPER		/
页数	文件大小	规格书
3页	234K
描述
General Purpose Inductor, 0.43uH, 20%, 1 Element, Ferrite-Core, SMD, 1515, ROHS COMPLIANT

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SDH3812-R47-R 数据手册

SDH3812 Series

Low Profile, High Power, Shielded Inductors

Description

RoHS

2002/95/EC

• 125°C maximum total temperature operation

• 3.8mm x 3.8mm x 1.2mm shielded drum core

• High power density, compact footprint

• Inductance range from 0.47uH to 220uH

• Current range from 4.2 Amps to 0.16 Amps

• Ferrite shielded, low EMI

• Ferrite core material

Applications

• Buck or Boost inductor

• Noise filtering output filter chokes

• LED photo flash

• Handheld devices

• Notebook and battery power

• Cellular phones / PDA’s / GPS systems

• Digital cameras / MP3 players / IP phones

Packaging

• Supplied in tape and reel packaging, 4150 per reel

Environmental Data

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

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

(range is application specific)

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

maximum

Part Number

Rated

Inductance

(µH)

0.47

1.0

OCL (1)

Part

Irms (2)

Isat (3)

DCR

Ω @20°C

(Typical)

0.027

0.045

0.062

0.069

0.104

0.148

0.220

0.265

0.342

0.398

0.612

0.750

1.132

1.583

2.000

2.750

3.042

4.542

7.017

DCR

Ω @20°C

(Maximum)

0.032

K-factor

(4)

µH 20%

Marking

Amperes

Designator

SDH3812-R47-R

SDH3812-1R0-R

SDH3812-1R2-R

SDH3812-1R5-R

SDH3812-2R2-R

SDH3812-3R3-R

SDH3812-4R7-R

SDH3812-6R8-R

SDH3812-8R2-R

SDH3812-100-R

SDH3812-150-R

SDH3812-220-R

SDH3812-330-R

SDH3812-470-R

SDH3812-680-R

SDH3812-820-R

SDH3812-101-R

SDH3812-151-R

SDH3812-221-R

0.43

0.89

1.17

1.49

2.23

3.17

4.96

6.70

8.01

2.69

2.07

1.77

1.67

1.37

1.14

0.94

0.85

0.73

0.69

0.56

0.50

0.41

0.34

0.31

0.26

0.25

0.20

0.16

4.20

3.00

2.60

2.30

1.90

1.60

1.25

1.05

0.96

0.88

0.72

0.61

0.49

0.41

0.34

0.31

0.28

0.22

0.19

145.2

100.6

87.1

76.9

62.2

52.3

42.2

35.3

33.5

30.4

23.8

20.1

16.1

13.8

11.4

10.3

9.4

0.054

0.074

0.083

0.124

0.177

0.264

0.317

0.410

0.478

0.735

0.900

1.358

1.900

2.400

3.300

3.650

1.2

1.5

2.2

3.3

4.7

6.8

8.2

10.0

15.0

22.0

33.0

47.0

68.0

82.0

100.0

150.0

220.0

9.67

14.45

22.00

32.90

46.20

67.40

81.80

97.50

149.00

218.50

5.450

8.420

7.6

6.3

(1) Open Circuit Inductance Test Parameters: 100kHz, 0.1V, 0.0Adc.

(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 125°C under worst

case operating conditions verified in the end application.

(4) 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 uH),

∆I (Peak to peak ripple current in Amps).

(5) Part Number Definition: SDH3812-xxx-R

SDH3812 = 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

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

12 3

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