Delta Electronics SI43 User manual

SMT Power Inductor

SI43 & SI43A Type

RoHS compliant.

mounting.

Low profile (2.5mm max. height) SMD type.

Unshielded.

Self-leads, suitable for high density

High energy storage and low DCR.

Provided with embossed carrier tape packing.

Idel for power source circuits, DC-DC converter,DC-AC inverters

inductor applications.

In addition to the standard versions shown here,

customized inductors are available to meet your exact requirements.

Features

Electrical Characteristics:

DELTA ELECTRONICS, INC.

(TAOYUAN PLANT CPBG)

25 100KHz, 0.1V

oC,

252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.

TEL: 886-3-3591968; FAX: 886-3-3591991

http://www.deltaww.com

1. Tolerance of inductance: 15% for 1.0~8.2uH, 10% for 10~100uH.

2. Isat is the DC current which cause the inductance drop less than 10% of its nominal inductance without current.

3. Ir is the DC current which cause the surface temperature of the part increase less than 45

4. Operating temperature : -20 to 105 (including self-temperature rise).

oC.

C C

R22 0.22 5.8 5.60 5.60

R75 0.75 18.5 3.20 3.20

1R0 1.00 46 3.00 1.95 25.0 2.60 2.60

1R2 1.20 60 2.70 1.70 32.0 2.30 2.30

1R5 1.50 68 2.40 1.60 41.0 2.06 2.06

1R8 1.80 75 2.20 1.50 49.0 1.86 1.86

2R2 2.20 90 2.00 1.40 54.0 1.70 1.70

2R7 2.70 105 1.80 1.30 66.0 1.57 1.57

3R3 3.30 125 1.70 1.20 78.0 1.35 1.35

3R9 3.90 145 1.60 1.10 92.0 1.26 1.26

4R7 4.70 180 1.40 1.00 100.0 1.19 1.19

5R6 5.60 200 1.30 0.95 127.0 1.06 1.06

6R8 6.80 250 1.20 0.85 156.0 1.00 1.00

8R2 8.20 280 1.05 0.80 186.0 0.87 0.87

100 10.00 310 0.95 0.75 226.0 0.80 0.80

120 12.00 440 0.87 0.64 251.0 0.74 0.74

150 15.00 480 0.78 0.60 316.0 0.66 0.66

180 18.00 580 0.71 0.56 410.0 0.60 0.60

220 22.00 630 0.64 0.53 462.0 0.53 0.53

270 27.00 840 0.58 0.46 612.0 0.48 0.48

330 33.00 1175 0.52 0.39 821.0 0.44 0.44

390 39.00 1280 0.48 0.37 905.0 0.40 0.40

470 47.00 1493 0.44 0.35 1040.0 0.36 0.36

560 56.00 1670 0.40 0.31 1330.0 0.33 0.33

680 68.00 1907 0.36 0.30 1872.0 0.31 0.31

820 82.00 2568 0.33 0.24 2112.0 0.27 0.27

101 100.00 3030 0.30 0.23 2300.0 0.25 0.25

Mechanical Dimension:

0.6

4.0

3.6

UNIT:mm/inch

A =3.5 0.2 / 0.138 0.008

B = 3.1 0.2 / 0.122 0.008

C = 2.5/ 0.098 Max.

D = 0.8 0.2 / 0.031 0.008

¡Ó

RECOMMENDED PAD PATTERNS

0.01 0.10 1.00 10.00

CURRENT (A)

0.10

1.00

10.00

100.00

INDUCTANCE (uH)

101

680

1R5

6R8

8R2

120

180

270

470

820

560

390

330

220

150

100

4R7

5R6

3R3

2R7

1R0

3R9

2R2

1R8

1R2

PART NO.

(uH)

1SI43 SI43A

DCR

(m ) MAX

Isat

(Adc)

DCR

(m ) MAX

Isat

(Adc)

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