Delta Electronics SI43 Specifications

SMT Power Inductor
SI43 & SI43A Type
Features
RoHS compliant.
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.
Mechanical Dimension:
Electrical Characteristics:
1
L
PART NO.
(uH)
DCR
(m ) MAX
R22 0.22
R75 0.75
1R0 1.00 46
1R2 1.20 60
1R5 1.50 68
1R8 1.80 75
2R2 2.20 90
2R7 2.70 105
3R3 3.30 125
3R9 3.90 145
4R7 4.70 180
5R6 5.60 200
6R8 6.80 250
8R2 8.20 280
100 10.00 310
120 12.00 440
150 15.00 480
180 18.00 580
220 22.00 630
270 27.00 840
330 33.00 1175
390 39.00 1280
470 47.00 1493
560 56.00 1670
680 68.00 1907
820 82.00 2568
101 100.00 3030
1. Tolerance of inductance: 15% for 1.0~8.2uH,
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
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
mounting.
C
B
D
o
25 C, 100KHz, 0.1V
SI43
SI43A
Isat
2
Isat Ir 3
DCR
(m ) MAX (Adc)
(Adc) (Adc)
5.8 5.60
18.5 3.20
3.00 1.95 25.0 2.60
2.70 1.70 32.0 2.30
2.40 1.60 41.0 2.06
2.20 1.50 49.0 1.86
2.00 1.40 54.0 1.70
1.80 1.30 66.0 1.57
1.70 1.20 78.0 1.35
1.60 1.10 92.0 1.26
1.40 1.00 100.0 1.19
1.30 0.95 127.0 1.06
1.20 0.85 156.0 1.00
1.05 0.80 186.0 0.87
0.95 0.75 226.0 0.80
0.87 0.64 251.0 0.74
0.78 0.60 316.0 0.66
0.71 0.56 410.0 0.60
0.64 0.53 462.0 0.53
0.58 0.46 612.0 0.48
0.52 0.39 821.0 0.44
0.48 0.37 905.0 0.40
0.44 0.35 1040.0 0.36
0.40 0.31 1330.0 0.33
0.36 0.30 1872.0 0.31
0.33 0.24 2112.0 0.27
0.30 0.23 2300.0 0.25
10% for 10~100uH.
o o
C to 105 C (including self-temperature rise).
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
RECOMMENDED PAD PA TTERNS
3.6
4.0
0.6
2
Ir 3
(Adc)
101
100.00
820
5.60
680
3.20
560
470
2.60
390
330
2.30
270
220
2.06
180
1.86
150
120
1.70
100
10.00
8R2
1.57
6R8
1.35
5R6
4R7
1.26
3R9
3R3
1.19
2R7
2R2
1.06
1R8
1.00
1R5
1R2
0.87
1R0
1.00
0.80
0.74
0.66
0.60
0.53
0.48
0.44
0.10
0.40
0.01
0.36
0.33
0.31
0.27
0.25
2
UNIT:mm/inch
A = 3.5 ¡Ó 0.2 / 0.138 0.008 ¡Ó
B = 3.1 0.2 / 0.122 0.008 ¡Ó ¡Ó
C = 2.5 / 0.098 Max.
D = 0.8 0.2 / 0.031 0.008 ¡Ó ¡Ó
0.10 1.00 10.00
CURRENT (A)
o
C.