Delta Electronics SMT Power Inductor SI54 User Manual
Smt power inductor, Si54 type, Features electrical characteristics
SMT Power Inductor
SI54 Type
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
RoHS compliant.
mounting.
Low profile (3.5mm max. Height) SMD type.
Unshielded.
Self-leads, suitable for high density
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Ideal 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:
4
0.00
0.01
0.10
1.00
10.00
CURRENT (A)
0.10
1.00
10.00
100.00
IN
D
U
C
T
A
N
C
E
(u
H
)
680
560
470
390
330
270
220
180
150
120
100
8R2
6R8
5R6
4R7
3R9
2R2
1R8
1R5
1R0
2R7
3R3
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
25
1KHz, 1V
o
C,
SI54 - 1R0
1.0
0.0480
2.70
SI54A - 1R0
1.0
0.0200
5.60
SI54 - 1R5
1.5
0.0560
2.60
SI54 - 1R8
1.8
0.0630
2.00
SI54 - 2R2
2.2
0.0710
1.90
SI54 - 2R7
2.7
0.0780
1.80
SI54 - 3R3
3.3
0.0860
1.70
SI54A - 3R3
3.3
0.0860
2.90
SI54 - 3R9
3.9
0.0930
1.60
SI54 - 4R7
4.7
0.1080
1.50
SI54A - 4R7
4.7
0.0108
2.50
SI54 - 5R6
5.6
0.1250
1.40
SI54 - 6R8
6.8
0.1310
1.30
SI54 - 8R2
8.2
0.1460
1.20
SI54 - 100
10.0
0.1820
1.10
SI54 - 120
12.0
0.2100
0.97
SI54 - 150
15.0
0.2350
0.85
SI54 - 180
18.0
0.3380
0.74
SI54 - 220
22.0
0.3780
0.68
SI54 - 270
27.0
0.5220
0.62
SI54 - 330
33.0
0.5400
0.56
SI54 - 390
39.0
0.5870
0.52
SI54 - 470
47.0
0.8440
0.44
SI54A - 470
0.3
0.8440
0.77
SI54 - 560
56.0
0.9370
0.42
SI54A - 560
0.3
0.9370
0.75
SI54 - 680
68.0
1.1170
0.37
PART NO.
L
(uH)
1
DCR
( ) MAX
Irated
(Adc)
2
1. Tolerance of inductance : 15% for 1.0~8.2uH,
10% for 10~68uH.
2. Irated is the DC current which cause the inductance drop less than 10%(20% for A-3R3 & A-4R7) of its nominal
o
inductance without current and the surface temperature of the part increase less than 45 C.
o
o
3. Operating temperature: -20 C to 105 C (including self-temperature rise).
Mechanical Dimension:
4.0
B
C
5.2
1.0
D
A
UNIT:mm/inch
A = 4.5 0.15 / 0.177 0.006
B = 4.0 0.15 / 0.157 0.006
C = 3.2 0.3 / 0.126 0.012
D = 1.0 0.2 / 0.039 0.008
RECOMMENDED PAD PATTERNS